Spelling errors in code and comments fixed

Changelog

@@ -1315,7 +1315,7 @@
      * The net tracer now allows to use layer combinations (derived by boolean operations)
        for the conductive and via layers. See The Net Tracing Feature for details.
      * A technology management is integrated into Klayout.
-       That allows to switch various settings depending on the choosen technology.
+       That allows to switch various settings depending on the chosen technology.
        See About Technology Management for details about this feature.
      * The drawing can now be rotated or flipped without having to modify the layout.
        This function can be found in the "Display" menu under "Global Transformation".
@@ -1865,7 +1865,7 @@
      * The instance browser now has a "Choose cell" button where the cell can be
        chosen whose instances will be presented.
      * For most editing operations, the status bar will now indicate more detailed
-       informations such as move distance.
+       information such as move distance.
      * Pasted shapes and instances now are selected initially.
      * Enhanced OASIS compression mode (can be chosen from the options dialog on
        saving). Reduces file size considerably by creating regular shape arrays if

src/ant/ant/antService.cc

@@ -1049,7 +1049,7 @@ Service::begin_move (lay::Editable::MoveMode mode, const db::DPoint &p, lay::ang
     double l = double (search_range) / widget ()->mouse_event_trans ().mag ();
     db::DBox search_dbox = db::DBox (p, p).enlarged (db::DVector (l, l));
 
-    //  test, wether we are moving a handle of one selected object
+    //  test, whether we are moving a handle of one selected object
     for (std::map<obj_iterator, unsigned int>::const_iterator r = m_selected.begin (); r != m_selected.end (); ++r) {
 
       obj_iterator ri = r->first;

src/ant/ant/gsiDeclAnt.cc

@@ -897,7 +897,7 @@ gsi::Class<AnnotationRef> decl_Annotation (decl_BasicAnnotation, "lay", "Annotat
   ),
   "@brief A layout annotation (i.e. ruler)\n"
   "\n"
-  "Annotation objects provide a way to attach measurements or descriptive informations to a layout view. "
+  "Annotation objects provide a way to attach measurements or descriptive information to a layout view. "
   "Annotation objects can appear as rulers for example. Annotation objects can be configured in "
   "different ways using the styles provided. By configuring an annotation object properly, it can appear "
   "as a rectangle or a plain line for example.\n"

src/buddies/src/bd/bdWriterOptions.cc

@@ -145,7 +145,7 @@ GenericWriterOptions::add_options (tl::CommandLineOptions &cmd, const std::strin
                    )
         << tl::arg (group +
                     "#--multi-xy-records", &m_gds2_multi_xy_records, "Allows unlimited number of points",
-                    "If this option is given, multiple XY records will be written to accomodate an unlimited number "
+                    "If this option is given, multiple XY records will be written to accommodate an unlimited number "
                     "of points per polygon or path. However, such files may not be compatible with some consumers."
                    )
         << tl::arg (group +
@@ -169,7 +169,7 @@ GenericWriterOptions::add_options (tl::CommandLineOptions &cmd, const std::strin
         << tl::arg (group +
                     "#!--no-timestamps", &m_gds2_write_timestamps, "Don't write timestamps",
                     "Writes a dummy time stamp instead of the actual time. With this option, GDS2 files become "
-                    "bytewise indentical even if written at different times. This option is useful if binary "
+                    "bytewise identical even if written at different times. This option is useful if binary "
                     "identity is important (i.e. in regression scenarios)."
                    )
         << tl::arg (group +

src/db/db/dbBox.h

@@ -624,7 +624,7 @@ struct DB_PUBLIC_TEMPLATE box
    *  @brief Conversion to string
    *
    *  If dbu is set, it determines the factor by which the coordinates are multiplied to render
-   *  micron units. In addition, a micron format is choosen for output of these coordinates.
+   *  micron units. In addition, a micron format is chosen for output of these coordinates.
    */
   std::string to_string (double dbu) const
   {

src/db/db/dbCell.h

@@ -60,7 +60,7 @@ class ImportLayerMapping;
  *  @brief The cell object
  * 
  *  A cell object consists of a set of shape containers (called layers),
- *  a set of child cell instances and auxiliary informations such as
+ *  a set of child cell instances and auxiliary information such as
  *  the parent instance list.
  *  A cell is identified through an index given to the cell upon instantiation.
  *  The cell index is valid in the context of a cell graph object which

src/db/db/dbEdge.h

@@ -598,7 +598,7 @@ public:
    *  @brief Conversion to a string.
    *
    *  If dbu is set, it determines the factor by which the coordinates are multiplied to render
-   *  micron units. In addition, a micron format is choosen for output of these coordinates.
+   *  micron units. In addition, a micron format is chosen for output of these coordinates.
    */
   std::string to_string (double dbu) const
   {

src/db/db/dbEdgePair.h

@@ -306,7 +306,7 @@ public:
    *  @brief Conversion to a string.
    *
    *  If dbu is set, it determines the factor by which the coordinates are multiplied to render
-   *  micron units. In addition, a micron format is choosen for output of these coordinates.
+   *  micron units. In addition, a micron format is chosen for output of these coordinates.
    */
   std::string to_string (double dbu) const
   {

src/db/db/dbEdgeProcessor.h

@@ -711,7 +711,7 @@ public:
   /**
    *  @brief Merge the given edges in a simple "non-zero wrapcount" fashion
    *
-   *  The egdes provided must form valid closed contours. Contours oriented differently "cancel" each other. 
+   *  The edges provided must form valid closed contours. Contours oriented differently "cancel" each other. 
    *  Overlapping contours are merged when the orientation is the same.
    *
    *  The result is presented as a set of edges forming closed contours. Hulls are oriented clockwise while
@@ -729,7 +729,7 @@ public:
   /**
    *  @brief Merge the given edges in a simple "non-zero wrapcount" fashion into polygons
    *
-   *  The egdes provided must form valid closed contours. Contours oriented differently "cancel" each other. 
+   *  The edges provided must form valid closed contours. Contours oriented differently "cancel" each other. 
    *  Overlapping contours are merged when the orientation is the same.
    *
    *  This method produces polygons and allows to fine-tune the parameters for that purpose.
@@ -795,7 +795,7 @@ public:
    *  on the individual result polygons of the merge step. The result may contain overlapping contours, but no self-overlaps. 
    *
    *  dx and dy describe the sizing. A positive value indicates oversize (outwards) while a negative one describes undersize (inwards).
-   *  The sizing applied can be choosen differently in x and y direction. In this case, the sign must be identical for both
+   *  The sizing applied can be chosen differently in x and y direction. In this case, the sign must be identical for both
    *  dx and dy.
    *
    *  The result is presented as a set of edges forming closed contours. Hulls are oriented clockwise while
@@ -820,7 +820,7 @@ public:
    *  Polygon overlap occures if the polygons are close enough, so a positive sizing makes polygons overlap.
    *  
    *  dx and dy describe the sizing. A positive value indicates oversize (outwards) while a negative one describes undersize (inwards).
-   *  The sizing applied can be choosen differently in x and y direction. In this case, the sign must be identical for both
+   *  The sizing applied can be chosen differently in x and y direction. In this case, the sign must be identical for both
    *  dx and dy.
    *
    *  This method produces polygons and allows to fine-tune the parameters for that purpose.

src/db/db/dbEdges.h

@@ -976,7 +976,7 @@ public:
   /**
    *  @brief Returns edges (point-like) representing the start part of the edges
    *
-   *  The length of the part can be choosen by length or a fraction of the original length.
+   *  The length of the part can be chosen by length or a fraction of the original length.
    *  If length and fraction are 0, a point at the beginning of the edge will be created.
    *  If length is non-zero and fraction is 0, a segment in the direction of the edge
    *  with the given length is created, even if the length is larger than the original

src/db/db/dbHierNetworkProcessor.h

@@ -301,7 +301,7 @@ public:
   /**
    *  @brief Adds the given attribute to the attribute set
    *
-   *  Attributes are arbitary IDs attached to clusters.
+   *  Attributes are arbitrary IDs attached to clusters.
    *  The attribute value 0 is reserved for "no attribute" and is not
    *  put into the set.
    */

src/db/db/dbLayerProperties.h

@@ -138,7 +138,7 @@ struct LPLogicalLessFunc
  *  @brief A layer offset 
  *
  *  This struct defines a layer offset which can be "added" to a LayerProperties object
- *  If the layer offset is defined with a name, any occurance of '*' in the string
+ *  If the layer offset is defined with a name, any occurrence of '*' in the string
  *  is replaced with the original name. This way, applying "*_A" with "+" yields a 
  *  postfix "_A" to the original layer name (if it is named).
  */

src/db/db/dbLayout.cc

@@ -1304,7 +1304,7 @@ Layout::do_update ()
   try {
 
     //  if the hierarchy has been changed so far, update
-    //  the hierarchy management informations
+    //  the hierarchy management information
     if (hier_dirty ()) {
       {
         tl::SelfTimer timer (tl::verbosity () > layout_base_verbosity + 10, "Updating relations");
@@ -1324,7 +1324,7 @@ Layout::do_update ()
 
     //  if something on the bboxes (either on shape level or on 
     //  cell bbox level - i.e. by child instances) has been changed,
-    //  update the bbox informations. In addition sort the shapes
+    //  update the bbox information. In addition sort the shapes
     //  lists of region queries, since they might have changed once
     //  the bboxes are dirty.
     if (bboxes_dirty ()) {

src/db/db/dbLayoutStateModel.h

@@ -95,7 +95,7 @@ public:
    *  @brief Invalidate the bounding boxes
    *
    *  This method is supposed to be called by shape containers for example if 
-   *  some event has occured that changed the bounding boxes.
+   *  some event has occurred that changed the bounding boxes.
    *
    *  If the index is std::numeric_limits<unsigned int>::max, this method
    *  applies to all layers.

src/db/db/dbLayoutToNetlist.h

@@ -471,7 +471,7 @@ public:
    *   * No connection indicated (circuit_cell_name_prefix == 0: the net shapes are simply put into their
    *     respective circuits. The connections are not indicated.
    *   * Subnet hierarchy (circuit_cell_name_prefix != 0): for each root net, a full hierarchy is built
-   *     to accomodate the subnets (see build_net in recursive mode).
+   *     to accommodate the subnets (see build_net in recursive mode).
    *
    *  If a device cell name prefix is given, cells will be produced for each device abstract
    *  using a name like device_cell_name_prefix + device name.

src/db/db/dbLayoutUtils.h

@@ -66,7 +66,7 @@ private:
 };
 
 /**
- *  @brief A property mapper based on a dynamic propery id generation
+ *  @brief A property mapper based on a dynamic property id generation
  *
  *  This class can be used as property mapper for certain "insert" flavors of
  *  the Instance and Shapes class. 

src/db/db/dbManager.h

@@ -144,7 +144,7 @@ public:
    *  @brief Undo the current transaction
    *
    *  The current transaction is undone with this method.
-   *  The 'available_undo' method can be used to determine wether
+   *  The 'available_undo' method can be used to determine whether
    *  there are transactions to undo.
    */
   void undo ();
@@ -153,7 +153,7 @@ public:
    *  @brief Redo the next available transaction
    *
    *  The next transaction is redone with this method.
-   *  The 'available_redo' method can be used to determine wether
+   *  The 'available_redo' method can be used to determine whether
    *  there are transactions to undo.
    */
   void redo ();

src/db/db/dbMatrix.h

@@ -845,7 +845,7 @@ public:
   /**
    *  @brief Get the x perspective tilt angle in degree
    *
-   *  To achieve the same visual effect, a different tilt angle has to be choosen for 
+   *  To achieve the same visual effect, a different tilt angle has to be chosen for 
    *  a given observer distance z. This method computes the tilt angle for the given observer
    *  distance.
    */
@@ -854,7 +854,7 @@ public:
   /**
    *  @brief Get the y perspective tilt angle in degree
    *
-   *  To achieve the same visual effect, a different tilt angle has to be choosen for 
+   *  To achieve the same visual effect, a different tilt angle has to be chosen for 
    *  a given observer distance z. This method computes the tilt angle for the given observer
    *  distance.
    */
@@ -868,7 +868,7 @@ public:
   /**
    *  @brief Returns the matrix for perspective transformation
    *
-   *  To achieve the same visual effect, a different tilt angle has to be choosen for 
+   *  To achieve the same visual effect, a different tilt angle has to be chosen for 
    *  a given observer distance z. This method computes the tilt angle for the given observer
    *  distance.
    *
@@ -970,7 +970,7 @@ struct MatrixAdjustFlags
  *  @param landmarks_before The points before the transformation.
  *  @param landmarks_after The points after the transformation.
  *  @param flags Selects the properties to adjust.
- *  @param fixed_point The index of the fixed point (one that is definitly mapped to the target) or -1 if there is none
+ *  @param fixed_point The index of the fixed point (one that is definitely mapped to the target) or -1 if there is none
  */
 void DB_PUBLIC adjust_matrix (Matrix2d &matrix, db::DVector &disp, const std::vector <db::DPoint> &landmarks_before, const std::vector <db::DPoint> &landmarks_after, MatrixAdjustFlags::Flags flags, int fixed_point = -1);
 
@@ -986,7 +986,7 @@ void DB_PUBLIC adjust_matrix (Matrix2d &matrix, db::DVector &disp, const std::ve
  *  @param landmarks_before The points before the transformation.
  *  @param landmarks_after The points after the transformation.
  *  @param flags Selects the properties to adjust.
- *  @param fixed_point The index of the fixed point (one that is definitly mapped to the target) or -1 if there is none
+ *  @param fixed_point The index of the fixed point (one that is definitely mapped to the target) or -1 if there is none
  */
 void DB_PUBLIC adjust_matrix (Matrix3d &matrix, const std::vector <db::DPoint> &landmarks_before, const std::vector <db::DPoint> &landmarks_after, MatrixAdjustFlags::Flags flags, int fixed_point = -1);
 

src/db/db/dbMetaInfo.h

@@ -34,7 +34,7 @@ namespace db
 /**
  *  @brief A structure describing the meta information from the reader
  *
- *  In the meta information block, the reader provides additional informations
+ *  In the meta information block, the reader provides additional information
  *  about the file and content etc.
  *  "name" is a unique name that can be used to identify the information.
  *  "description" is a "speaking" description of the information.

src/db/db/dbNet.h

@@ -446,7 +446,7 @@ public:
   /**
    *  @brief Gets the qualified name
    *
-   *  The qualified name is like the expanded name, but preceeded with the
+   *  The qualified name is like the expanded name, but preceded with the
    *  Circuit name if known (e.g. "CIRCUIT:NET")
    */
   std::string qname () const;

src/db/db/dbNetlistDeviceExtractor.h

@@ -123,7 +123,7 @@ public:
   }
 
   /**
-   *  @brief Gets the cell name the error occured in
+   *  @brief Gets the cell name the error occurred in
    */
   const std::string &cell_name () const
   {

src/db/db/dbPoint.h

@@ -270,7 +270,7 @@ public:
    *  @brief String conversion
    *
    *  If dbu is set, it determines the factor by which the coordinates are multiplied to render
-   *  micron units. In addition, a micron format is choosen for output of these coordinates.
+   *  micron units. In addition, a micron format is chosen for output of these coordinates.
    */
   std::string
   to_string (double dbu) const 

src/db/db/dbPolygonTools.h

@@ -118,7 +118,7 @@ void cut_polygon (const PolygonType &input, const typename PolygonType::edge_typ
  *  @brief Split a polygon into two or more parts 
  *
  *  This function splits a polygon into parts using some heuristics to determine a "suitable" cut line.
- *  The cut line is choosen through a vertex close to a center (either horizontal or vertical). The splitting
+ *  The cut line is chosen through a vertex close to a center (either horizontal or vertical). The splitting
  *  is supposed to create smaller parts with less vertices or a better area ratio of polygon to bounding box area.
  *
  *  @param polygon The input polygon

src/db/db/dbShapes.h

@@ -208,7 +208,7 @@ public:
    *  @param box The region to select
    *  @param mode See above
    *  @param flags The kind of shapes to iterate over (or-ed constants of flags_type)
-   *  @param prop_sel The propery selection
+   *  @param prop_sel The property selection
    *  @param inv_prop_sel True, if shapes not matching the property selection shall be reported
    */
   ShapeIterator (const shapes_type &shapes, const box_type &box, region_mode mode, unsigned int flags = All, const property_selector *prop_sel = 0, bool inv_prop_sel = false);

src/db/db/dbShapes2.h

@@ -33,10 +33,10 @@ namespace db
 /**
  *  @brief A traits class for the various shape types
  *
- *  This class provides informations about various properties of the shape class, i.e.
- *  - wether the objects must be dereferenced into standanlone containers
- *  - wether the objects are arrays, potentially using the array repository
- *  - wether the objects have properties
+ *  This class provides information about various properties of the shape class, i.e.
+ *  - whether the objects must be dereferenced into standanlone containers
+ *  - whether the objects are arrays, potentially using the array repository
+ *  - whether the objects have properties
  */
 template <class Sh> 
 struct shape_traits 

src/db/db/dbTilingProcessor.cc

@@ -910,7 +910,7 @@ TilingProcessor::execute (const std::string &desc)
   }
 
   if (job.has_error ()) {
-    throw tl::Exception (tl::to_string (tr ("Errors occured during processing. First error message says:\n")) + job.error_messages ().front ());
+    throw tl::Exception (tl::to_string (tr ("Errors occurred during processing. First error message says:\n")) + job.error_messages ().front ());
   }
 }
 

src/db/db/dbTrans.h

@@ -1433,7 +1433,7 @@ operator<< (std::ostream &os, const simple_trans<C> &t)
 /**
  *  @brief A complex transformation
  *
- *  A complex transformation provides magnification, mirroring at the x-axis, rotation by an arbitary
+ *  A complex transformation provides magnification, mirroring at the x-axis, rotation by an arbitrary
  *  angle and a displacement. The template parameters for this transformation are
  *  I (the input coordinate type), F (the output coordinate type) and R (the representation
  *  type used internally for representing the floating-point members).

src/db/db/dbTypes.h

@@ -382,7 +382,7 @@ struct coord_traits<int64_t>
 /** 
  *  @brief Coord_traits specialisation for double coordinates 
  *
- *  The precision is choosen such that the double coordinate
+ *  The precision is chosen such that the double coordinate
  *  can represent "micrometers" with a physical resolution limit of 0.01 nm.
  *  The area precision will render reliable vector product signs for vectors
  *  of roughly up to 60 mm length.

src/db/db/dbVector.h

@@ -312,7 +312,7 @@ public:
    *  @brief String conversion
    *
    *  If dbu is set, it determines the factor by which the coordinates are multiplied to render
-   *  micron units. In addition, a micron format is choosen for output of these coordinates.
+   *  micron units. In addition, a micron format is chosen for output of these coordinates.
    */
   std::string
   to_string (double dbu) const 

src/db/db/gsiDeclDbCell.cc

@@ -2016,7 +2016,7 @@ Class<db::Cell> decl_Cell ("db", "Cell",
     "The algorithm supports a global fill raster as well as local (per-polygon) origin optimization. In the latter case "
     "the origin of the regular raster is optimized per individual polygon of the fill region.\n"
     "\n"
-    "A more elaborate version of this method is available which also returns informations about the non-filled parts.\n"
+    "A more elaborate version of this method is available which also returns information about the non-filled parts.\n"
     "\n"
     "This method has been introduced in version 0.23.\n"
   ) +
@@ -3060,7 +3060,7 @@ Class<db::Cell> decl_Cell ("db", "Cell",
   "@brief A cell\n"
   "\n"
   "A cell object consists of a set of shape containers (called layers),\n"
-  "a set of child cell instances and auxiliary informations such as\n"
+  "a set of child cell instances and auxiliary information such as\n"
   "the parent instance list.\n"
   "A cell is identified through an index given to the cell upon instantiation.\n"
   "Cell instances refer to single instances or array instances. Both are encapsulated in the\n"

src/db/db/gsiDeclDbEdge.cc

@@ -630,7 +630,7 @@ Class<db::Edge> decl_Edge ("db", "Edge",
   "An edge is a connection between points, usually participating in a larger context "
   "such as a polygon. An edge has a defined direction (from p1 to p2). "
   "Edges play a role in the database as parts of polygons and to describe a line through both points.\n"
-  "Altough supported, edges are rarely used as individual database objects.\n"
+  "Although supported, edges are rarely used as individual database objects.\n"
   "\n"
   "See @<a href=\"/programming/database_api.xml\">The Database API@</a> for more details about the "
   "database objects like the Edge class."
@@ -678,7 +678,7 @@ Class<db::DEdge> decl_DEdge ("db", "DEdge",
   "such as a polygon. An edge has a defined direction (from p1 to p2). "
   "Edges play a role in the database as parts of polygons and to describe a line through both points.\n"
   "The \\Edge object is also used inside the boolean processor (\\EdgeProcessor).\n"
-  "Altough supported, edges are rarely used as individual database objects.\n"
+  "Although supported, edges are rarely used as individual database objects.\n"
   "\n"
   "See @<a href=\"/programming/database_api.xml\">The Database API@</a> for more details about the "
   "database objects like the Edge class."

src/db/db/gsiDeclDbEdgeProcessor.cc

@@ -222,7 +222,7 @@ Class<db::EdgeProcessor> decl_EdgeProcessor ("db", "EdgeProcessor",
     "This method has been added in version 0.22.\n"
     "\n"
     "The mode specifies the rule to use when producing output. A value of 0 specifies the even-odd rule. "
-    "A positive value specfies the wrap count threshold (postive only). A negative value specifies the "
+    "A positive value specifies the wrap count threshold (positive only). A negative value specifies the "
     "threshold of the absolute value of the wrap count (i.e. -1 is non-zero rule).\n"
     "\n"
     "@param mode See description\n"
@@ -268,7 +268,7 @@ Class<db::EdgeProcessor> decl_EdgeProcessor ("db", "EdgeProcessor",
     "This method has been added in version 0.22.\n"
     "\n"
     "The mode specifies the rule to use when producing output. A value of 0 specifies the even-odd rule. "
-    "A positive value specfies the wrap count threshold (postive only). A negative value specifies the "
+    "A positive value specifies the wrap count threshold (positive only). A negative value specifies the "
     "threshold of the absolute value of the wrap count (i.e. -1 is non-zero rule).\n"
     "\n"
     "@param mode See description\n"
@@ -281,7 +281,7 @@ Class<db::EdgeProcessor> decl_EdgeProcessor ("db", "EdgeProcessor",
     "@brief Merge the given edges in a simple \"non-zero wrapcount\" fashion\n"
     "@args in\n"
     "\n"
-    "The egdes provided must form valid closed contours. Contours oriented differently \"cancel\" each other. \n"
+    "The edges provided must form valid closed contours. Contours oriented differently \"cancel\" each other. \n"
     "Overlapping contours are merged when the orientation is the same.\n"
     "\n"
     "The result is presented as a set of edges forming closed contours. Hulls are oriented clockwise while\n"
@@ -300,7 +300,7 @@ Class<db::EdgeProcessor> decl_EdgeProcessor ("db", "EdgeProcessor",
     "@brief Merge the given polygons and specify the merge mode\n"
     "@args in, mode\n"
     "\n"
-    "The egdes provided must form valid closed contours. Contours oriented differently \"cancel\" each other. \n"
+    "The edges provided must form valid closed contours. Contours oriented differently \"cancel\" each other. \n"
     "Overlapping contours are merged when the orientation is the same.\n"
     "\n"
     "The result is presented as a set of edges forming closed contours. Hulls are oriented clockwise while\n"
@@ -312,7 +312,7 @@ Class<db::EdgeProcessor> decl_EdgeProcessor ("db", "EdgeProcessor",
     "This method has been added in version 0.22.\n"
     "\n"
     "The mode specifies the rule to use when producing output. A value of 0 specifies the even-odd rule. "
-    "A positive value specfies the wrap count threshold (postive only). A negative value specifies the "
+    "A positive value specifies the wrap count threshold (positive only). A negative value specifies the "
     "threshold of the absolute value of the wrap count (i.e. -1 is non-zero rule).\n"
     "\n"
     "@param mode See description\n"
@@ -323,7 +323,7 @@ Class<db::EdgeProcessor> decl_EdgeProcessor ("db", "EdgeProcessor",
     "@brief Merge the given edges in a simple \"non-zero wrapcount\" fashion into polygons\n"
     "@args in, resolve_holes, min_coherence\n"
     "\n"
-    "The egdes provided must form valid closed contours. Contours oriented differently \"cancel\" each other. \n"
+    "The edges provided must form valid closed contours. Contours oriented differently \"cancel\" each other. \n"
     "Overlapping contours are merged when the orientation is the same.\n"
     "\n"
     "This method produces polygons and allows to fine-tune the parameters for that purpose.\n"
@@ -343,7 +343,7 @@ Class<db::EdgeProcessor> decl_EdgeProcessor ("db", "EdgeProcessor",
     "@brief Merge the given polygons and specify the merge mode\n"
     "@args in, resolve_holes, min_coherence, mode\n"
     "\n"
-    "The egdes provided must form valid closed contours. Contours oriented differently \"cancel\" each other. \n"
+    "The edges provided must form valid closed contours. Contours oriented differently \"cancel\" each other. \n"
     "Overlapping contours are merged when the orientation is the same.\n"
     "\n"
     "This method produces polygons and allows to fine-tune the parameters for that purpose.\n"
@@ -354,7 +354,7 @@ Class<db::EdgeProcessor> decl_EdgeProcessor ("db", "EdgeProcessor",
     "This method has been added in version 0.22.\n"
     "\n"
     "The mode specifies the rule to use when producing output. A value of 0 specifies the even-odd rule. "
-    "A positive value specfies the wrap count threshold (postive only). A negative value specifies the "
+    "A positive value specifies the wrap count threshold (positive only). A negative value specifies the "
     "threshold of the absolute value of the wrap count (i.e. -1 is non-zero rule).\n"
     "\n"
     "@param mode See description\n"
@@ -412,7 +412,7 @@ Class<db::EdgeProcessor> decl_EdgeProcessor ("db", "EdgeProcessor",
     "on the individual result polygons of the merge step. The result may contain overlapping contours, but no self-overlaps. \n"
     "\n"
     "dx and dy describe the sizing. A positive value indicates oversize (outwards) while a negative one describes undersize (inwards).\n"
-    "The sizing applied can be choosen differently in x and y direction. In this case, the sign must be identical for both\n"
+    "The sizing applied can be chosen differently in x and y direction. In this case, the sign must be identical for both\n"
     "dx and dy.\n"
     "\n"
     "The 'mode' parameter describes the corner fill strategy. Mode 0 connects all corner segments directly. Mode 1 is the 'octagon' strategy in which "
@@ -441,7 +441,7 @@ Class<db::EdgeProcessor> decl_EdgeProcessor ("db", "EdgeProcessor",
     "Polygon overlap occures if the polygons are close enough, so a positive sizing makes polygons overlap.\n"
     "\n"
     "dx and dy describe the sizing. A positive value indicates oversize (outwards) while a negative one describes undersize (inwards).\n"
-    "The sizing applied can be choosen differently in x and y direction. In this case, the sign must be identical for both\n"
+    "The sizing applied can be chosen differently in x and y direction. In this case, the sign must be identical for both\n"
     "dx and dy.\n"
     "\n"
     "The 'mode' parameter describes the corner fill strategy. Mode 0 connects all corner segments directly. Mode 1 is the 'octagon' strategy in which "

src/db/db/gsiDeclDbEdges.cc

@@ -423,7 +423,7 @@ Class<db::Edges> dec_Edges ("db", "Edges",
     "The edges form the contours of the polygons.\n"
   ) +
   constructor ("new", &new_a2, gsi::arg ("array"),
-    "@brief Constructor from an egde array\n"
+    "@brief Constructor from an edge array\n"
     "\n"
     "This constructor creates a region from an array of edges.\n"
   ) +
@@ -500,7 +500,7 @@ Class<db::Edges> dec_Edges ("db", "Edges",
     "\n"
     "This constructor creates an edge collection from the shapes delivered by the given recursive shape iterator.\n"
     "It feeds the shapes from a hierarchy of cells into the hierarchical edge set.\n"
-    "The edges remain within their original hierachy unless other operations require the edges to be moved in the hierarchy.\n"
+    "The edges remain within their original hierarchy unless other operations require the edges to be moved in the hierarchy.\n"
     "\n"
     "Text objects are not inserted, because they cannot be converted to edges.\n"
     "Edge objects are inserted as such. If \"as_edges\" is true, \"solid\" objects (boxes, polygons, paths) are converted to edges which "
@@ -519,7 +519,7 @@ Class<db::Edges> dec_Edges ("db", "Edges",
     "\n"
     "This constructor creates an edge collection from the shapes delivered by the given recursive shape iterator.\n"
     "It feeds the shapes from a hierarchy of cells into the hierarchical edge set.\n"
-    "The edges remain within their original hierachy unless other operations require the edges to be moved in the hierarchy.\n"
+    "The edges remain within their original hierarchy unless other operations require the edges to be moved in the hierarchy.\n"
     "The transformation is useful to scale to a specific database unit for example.\n"
     "\n"
     "Text objects are not inserted, because they cannot be converted to edges.\n"
@@ -550,7 +550,7 @@ Class<db::Edges> dec_Edges ("db", "Edges",
     "@code\n"
     "dots = RBA::Edges::new(iter, \"*\")           # all texts\n"
     "dots = RBA::Edges::new(iter, \"A*\")          # all texts starting with an 'A'\n"
-    "dots = RBA::Edges::new(iter, \"A*\", false)   # all texts exactly matchin 'A*'\n"
+    "dots = RBA::Edges::new(iter, \"A*\", false)   # all texts exactly matching 'A*'\n"
     "@/code\n"
     "\n"
     "This method has been introduced in version 0.26.\n"
@@ -571,7 +571,7 @@ Class<db::Edges> dec_Edges ("db", "Edges",
     "@code\n"
     "region = RBA::Region::new(iter, dss, \"*\")           # all texts\n"
     "region = RBA::Region::new(iter, dss, \"A*\")          # all texts starting with an 'A'\n"
-    "region = RBA::Region::new(iter, dss, \"A*\", false)   # all texts exactly matchin 'A*'\n"
+    "region = RBA::Region::new(iter, dss, \"A*\", false)   # all texts exactly matching 'A*'\n"
     "@/code\n"
     "\n"
     "This method has been introduced in version 0.26.\n"

src/db/db/gsiDeclDbLayout.cc

@@ -1956,7 +1956,7 @@ Class<db::Layout> decl_Layout ("db", "Layout",
     "@brief Registers a PCell declaration under the given name\n"
     "@args name, declaration\n"
     "Registers a local PCell in the current layout. If a declaration with that name\n"
-    "alreay exists, it is replaced with the new declaration.\n"
+    "already exists, it is replaced with the new declaration.\n"
     "\n"
     "This method has been introduced in version 0.22.\n"
   ) +

src/db/db/gsiDeclDbLayoutToNetlist.cc

@@ -376,7 +376,7 @@ Class<db::LayoutToNetlist> decl_dbLayoutToNetlist ("db", "LayoutToNetlist",
     "@li No connection indicated (circuit_cell_name_prefix == 0: the net shapes are simply put into their\n"
     "   respective circuits. The connections are not indicated. @/li\n"
     "@li Subnet hierarchy (circuit_cell_name_prefix != 0): for each root net, a full hierarchy is built\n"
-    "   to accomodate the subnets (see build_net in recursive mode). @/li\n"
+    "   to accommodate the subnets (see build_net in recursive mode). @/li\n"
     "@/ul\n"
     "\n"
     "If a device name prefix is given, device shapes will be output on device cells named\n"

src/db/db/gsiDeclDbManager.cc

@@ -93,14 +93,14 @@ Class<db::Manager> decl_Manager ("db", "Manager",
     "@brief Undo the current transaction\n"
     "\n"
     "The current transaction is undone with this method.\n"
-    "The 'has_undo' method can be used to determine wether\n"
+    "The 'has_undo' method can be used to determine whether\n"
     "there are transactions to undo.\n"
   ) +
   gsi::method ("redo", &db::Manager::redo,
     "@brief Redo the next available transaction\n"
     "\n"
     "The next transaction is redone with this method.\n"
-    "The 'has_redo' method can be used to determine wether\n"
+    "The 'has_redo' method can be used to determine whether\n"
     "there are transactions to undo.\n"
   ) +
   gsi::method_ext ("has_undo?", &has_undo,

src/db/db/gsiDeclDbMatrix.cc

@@ -557,7 +557,7 @@ gsi::Class<db::Matrix3d> decl_Matrix3d ("db", "Matrix3d",
     "@param landmarks_before The points before the transformation.\n"
     "@param landmarks_after The points after the transformation.\n"
     "@param mode Selects the adjustment mode. Must be one of the Adjust... constants.\n"
-    "@param fixed_point The index of the fixed point (one that is definitly mapped to the target) or -1 if there is none\n"
+    "@param fixed_point The index of the fixed point (one that is definitely mapped to the target) or -1 if there is none\n"
   ) +
   gsi::method ("AdjustNone", &adjust_none,
     "@brief Mode for \\adjust: adjust nothing\n"

src/db/db/gsiDeclDbNetlist.cc

@@ -331,7 +331,7 @@ Class<db::Net> decl_dbNet ("db", "Net",
   ) +
   gsi::method ("qname|to_s", &db::Net::qname,
     "@brief Gets the qualified name.\n"
-    "The qualified name is like the expanded name, but the circuit's name is preceeded\n"
+    "The qualified name is like the expanded name, but the circuit's name is preceded\n"
     "(i.e. 'CIRCUIT:NET') if available.\n"
   ) +
   gsi::method ("expanded_name", &db::Net::expanded_name,
@@ -878,7 +878,7 @@ Class<db::Circuit> decl_dbCircuit ("db", "Circuit",
   "A circuit has pins by which it can connect to the outside. Pins are "
   "created using \\create_pin and are represented by the \\Pin class.\n"
   "\n"
-  "Futhermore, a circuit manages the components of the netlist. "
+  "Furthermore, a circuit manages the components of the netlist. "
   "Components are devices (class \\Device) and subcircuits (class \\SubCircuit). "
   "Devices are basic devices such as resistors or transistors. Subcircuits "
   "are other circuits to which nets from this circuit connect. "

src/db/db/gsiDeclDbNetlistDeviceExtractor.cc

@@ -154,8 +154,8 @@ Class<db::NetlistDeviceExtractorError> decl_dbNetlistDeviceExtractorError ("db",
     "@brief Sets the category description.\n"
     "See \\category_name= for details about categories."
   ),
-  "@brief An error that occured during device extraction\n"
-  "The device extractor will keep errors that occured during extraction of the devices. "
+  "@brief An error that occurred during device extraction\n"
+  "The device extractor will keep errors that occurred during extraction of the devices. "
   "It does not by using this error class.\n"
   "\n"
   "An error is basically described by the cell/circuit it occures in and the message. "

src/db/db/gsiDeclDbPolygon.cc

@@ -1328,7 +1328,7 @@ struct polygon_defs
       "@brief Iterate over the edges that make up the polygon\n"
       "\n"
       "This iterator will deliver all edges, including those of the holes. "
-      "Hole edges are oriented counterclockwise while hull egdes are oriented clockwise.\n"
+      "Hole edges are oriented counterclockwise while hull edges are oriented clockwise.\n"
     ) +
     iterator ("each_edge", (typename C::polygon_edge_iterator (C::*)(unsigned int) const) (&C::begin_edge), 
       "@brief Iterate over the edges of one contour of the polygon\n"
@@ -1338,7 +1338,7 @@ struct polygon_defs
       "\n"
       "This iterator will deliver all edges of the contour specified by the contour parameter. "
       "The hull has contour number 0, the first hole has contour 1 etc.\n"
-      "Hole edges are oriented counterclockwise while hull egdes are oriented clockwise.\n"
+      "Hole edges are oriented counterclockwise while hull edges are oriented clockwise.\n"
       "\n"
       "This method was introduced in version 0.24."
     ) +

src/db/db/gsiDeclDbRegion.cc

@@ -729,7 +729,7 @@ Class<db::Region> decl_Region ("db", "Region",
     "@code\n"
     "region = RBA::Region::new(iter, \"*\")           # all texts\n"
     "region = RBA::Region::new(iter, \"A*\")          # all texts starting with an 'A'\n"
-    "region = RBA::Region::new(iter, \"A*\", false)   # all texts exactly matchin 'A*'\n"
+    "region = RBA::Region::new(iter, \"A*\", false)   # all texts exactly matching 'A*'\n"
     "@/code\n"
     "\n"
     "This method has been introduced in version 0.25. The enlargement parameter has been added in version 0.26.\n"
@@ -751,7 +751,7 @@ Class<db::Region> decl_Region ("db", "Region",
     "@code\n"
     "region = RBA::Region::new(iter, dss, \"*\")           # all texts\n"
     "region = RBA::Region::new(iter, dss, \"A*\")          # all texts starting with an 'A'\n"
-    "region = RBA::Region::new(iter, dss, \"A*\", false)   # all texts exactly matchin 'A*'\n"
+    "region = RBA::Region::new(iter, dss, \"A*\", false)   # all texts exactly matching 'A*'\n"
     "@/code\n"
     "\n"
     "This variant has been introduced in version 0.26.\n"

src/db/db/gsiDeclDbShape.cc

@@ -1365,7 +1365,7 @@ Class<db::Shape> decl_Shape ("db", "Shape",
     "@brief Iterates over the edges of the object\n"
     "\n"
     "This method applies to polygons and simple polygons and delivers all edges that form the polygon's contours. "
-    "Hole edges are oriented counterclockwise while hull egdes are oriented clockwise.\n"
+    "Hole edges are oriented counterclockwise while hull edges are oriented clockwise.\n"
     "\n"
     "It will throw an exception if the object is not a polygon.\n"
   ) +
@@ -1383,7 +1383,7 @@ Class<db::Shape> decl_Shape ("db", "Shape",
     "\n"
     "This method applies to polygons and simple polygons and delivers all edges that form the given contour of the polygon. "
     "The hull has contour number 0, the first hole has contour 1 etc.\n"
-    "Hole edges are oriented counterclockwise while hull egdes are oriented clockwise.\n"
+    "Hole edges are oriented counterclockwise while hull edges are oriented clockwise.\n"
     "\n"
     "It will throw an exception if the object is not a polygon.\n"
     "\n"

src/db/db/gsiDeclDbText.cc

@@ -412,7 +412,7 @@ Class<db::Text> decl_Text ("db", "Text",
   "A text object has a point (location), a text, a text transformation,\n"
   "a text size and a font id. Text size and font id are provided to be\n"
   "be able to render the text correctly.\n"
-  "Text objects are used as labels (i.e. for pins) or to indiciate a particular position.\n"
+  "Text objects are used as labels (i.e. for pins) or to indicate a particular position.\n"
   "\n"
   "The \\Text class uses integer coordinates. A class that operates with floating-point coordinates "
   "is \\DText.\n"
@@ -462,7 +462,7 @@ Class<db::DText> decl_DText ("db", "DText",
   "A text object has a point (location), a text, a text transformation,\n"
   "a text size and a font id. Text size and font id are provided to be\n"
   "be able to render the text correctly.\n"
-  "Text objects are used as labels (i.e. for pins) or to indiciate a particular position.\n"
+  "Text objects are used as labels (i.e. for pins) or to indicate a particular position.\n"
   "\n"
   "The \\DText class uses floating-point coordinates. A class that operates with integer coordinates "
   "is \\Text.\n"

src/db/db/gsiDeclDbTrans.cc

@@ -1040,7 +1040,7 @@ Class<db::DCplxTrans> decl_DCplxTrans ("db", "DCplxTrans",
   cplx_trans_defs<db::DCplxTrans>::methods (),
   "@brief A complex transformation\n"
   "\n"
-  "A complex transformation provides magnification, mirroring at the x-axis, rotation by an arbitary\n"
+  "A complex transformation provides magnification, mirroring at the x-axis, rotation by an arbitrary\n"
   "angle and a displacement. This is also the order, the operations are applied.\n"
   "\n"
   "A complex transformation provides a superset of the simple transformation.\n"
@@ -1129,7 +1129,7 @@ Class<db::CplxTrans> decl_CplxTrans ("db", "CplxTrans",
   cplx_trans_defs<db::CplxTrans>::methods (),
   "@brief A complex transformation\n"
   "\n"
-  "A complex transformation provides magnification, mirroring at the x-axis, rotation by an arbitary\n"
+  "A complex transformation provides magnification, mirroring at the x-axis, rotation by an arbitrary\n"
   "angle and a displacement. This is also the order, the operations are applied.\n"
   "This version can transform integer-coordinate objects into floating-point coordinate objects. "
   "This is the generic and exact case, for example for non-integer magnifications.\n"
@@ -1212,7 +1212,7 @@ Class<db::ICplxTrans> decl_ICplxTrans ("db", "ICplxTrans",
   cplx_trans_defs<db::ICplxTrans>::methods (),
   "@brief A complex transformation\n"
   "\n"
-  "A complex transformation provides magnification, mirroring at the x-axis, rotation by an arbitary\n"
+  "A complex transformation provides magnification, mirroring at the x-axis, rotation by an arbitrary\n"
   "angle and a displacement. This is also the order, the operations are applied.\n"
   "This version can transform integer-coordinate objects into the same, which may involve rounding and can be inexact.\n"
   "\n"
@@ -1294,7 +1294,7 @@ Class<db::VCplxTrans> decl_VCplxTrans ("db", "VCplxTrans",
   cplx_trans_defs<db::VCplxTrans>::methods (),
   "@brief A complex transformation\n"
   "\n"
-  "A complex transformation provides magnification, mirroring at the x-axis, rotation by an arbitary\n"
+  "A complex transformation provides magnification, mirroring at the x-axis, rotation by an arbitrary\n"
   "angle and a displacement. This is also the order, the operations are applied.\n"
   "This version can transform floating point coordinate objects into integer coordinate objects, which may involve rounding and can be inexact.\n"
   "\n"

src/db/unit_tests/dbLayout.cc

@@ -87,7 +87,7 @@ TEST(1)
   }
   EXPECT_EQ (m, (unsigned int) 0x04231); // c1,c5,c3,c4,c2
 
-  //  check relation informations ..
+  //  check relation information ..
   db::Cell::child_cell_iterator ch;
   db::Cell::const_iterator chi;
   db::Cell::parent_cell_iterator pa;

src/db/unit_tests/dbShapeRepository.cc

@@ -46,7 +46,7 @@ TEST(1)
   c1.push_back (db::Point (200, 0));
   p1.assign_hull (c1.begin (), c1.end ());
 
-  //  insert two references to indentical but shifted polygons
+  //  insert two references to identical but shifted polygons
   db::PolygonRef pref1 (p1, rep);
 
   db::Polygon p2;
@@ -115,7 +115,7 @@ TEST(2)
   c1.push_back (db::Point (200, 0));
   p1.assign_hull (c1.begin (), c1.end ());
 
-  //  insert two references to indentical but shifted polygons
+  //  insert two references to identical but shifted polygons
   db::PolygonRef pr1 (p1, *rep);
 
   db::Polygon p2;
@@ -156,7 +156,7 @@ TEST(1SIMPLE)
   c1.push_back (db::Point (200, 0));
   p1.assign_hull (c1.begin (), c1.end ());
 
-  //  insert two references to indentical but shifted polygons
+  //  insert two references to identical but shifted polygons
   db::SimplePolygonRef pref1 (p1, rep);
 
   db::SimplePolygon p2;
@@ -225,7 +225,7 @@ TEST(2SIMPLE)
   c1.push_back (db::Point (200, 0));
   p1.assign_hull (c1.begin (), c1.end ());
 
-  //  insert two references to indentical but shifted polygons
+  //  insert two references to identical but shifted polygons
   db::SimplePolygonRef pr1 (p1, *rep);
 
   db::SimplePolygon p2;

src/drc/drc/built-in-macros/drc.lym

@@ -1365,7 +1365,7 @@ CODE
     # borders of the polygons of the second operand.
     #
     # The following images show the effect of the "and" method
-    # on polygons and egdes (layer1: red, layer2: blue):
+    # on polygons and edges (layer1: red, layer2: blue):
     #
     # @table
     #   @tr 
@@ -1392,7 +1392,7 @@ CODE
     # of the second operand.
     #
     # The following images show the effect of the "not" method
-    # on polygons and egdes (layer1: red, layer2: blue):
+    # on polygons and edges (layer1: red, layer2: blue):
     #
     # @table
     #   @tr 
@@ -1416,7 +1416,7 @@ CODE
     # This method is available for polygon and edge layers.
     #
     # The following images show the effect of the "xor" method
-    # on polygons and egdes (layer1: red, layer2: blue):
+    # on polygons and edges (layer1: red, layer2: blue):
     #
     # @table
     #   @tr 
@@ -1439,7 +1439,7 @@ CODE
     # This method is available for polygon and edge layers.
     #
     # The following images show the effect of the "or" method
-    # on polygons and egdes (layer1: red, layer2: blue):
+    # on polygons and edges (layer1: red, layer2: blue):
     #
     # @table
     #   @tr 
@@ -1462,7 +1462,7 @@ CODE
     # This method is available for polygon, edge and edge pair layers.
     #
     # The following images show the effect of the "join" method
-    # on polygons and egdes (layer1: red, layer2: blue):
+    # on polygons and edges (layer1: red, layer2: blue):
     #
     # @table
     #   @tr 

src/edt/edt/RoundCornerOptionsDialog.ui

@@ -54,7 +54,7 @@
     <widget class="QLabel" name="label_4" >
      <property name="text" >
       <string>Radius to apply on polygon corners
-(Radius for inner corners can be specified seperately.
+(Radius for inner corners can be specified separately.
 Leave empty to get the same radius than for outer corners)</string>
      </property>
     </widget>

src/edt/edt/edtMainService.cc

@@ -228,7 +228,7 @@ MainService::cm_descend ()
     throw tl::Exception (tl::to_string (QObject::tr ("Select an object to determine into which instance to descend")));
   }
   if (! common_inst.valid () || common_inst.ambigous ()) {
-    throw tl::Exception (tl::to_string (QObject::tr ("Selection is ambigous - cannot determine into which instance to descend")));
+    throw tl::Exception (tl::to_string (QObject::tr ("Selection is ambiguous - cannot determine into which instance to descend")));
   }
 
   //  remove the common path and create a new set of selections

src/gsi/gsi/gsiCallback.h

@@ -47,7 +47,7 @@ struct GSI_PUBLIC Callee
 /**
  *  @brief Callback connector object
  *
- *  This object holds informations about the actual implementation of the callback 
+ *  This object holds information about the actual implementation of the callback 
  *  on the scripting client's side.
  */
 struct Callback

src/gsi/gsi/gsiDeclInternal.cc

@@ -42,7 +42,7 @@ namespace gsi
 {
 
 // ---------------------------------------------------------------
-//  Access to the internal informations of GSI
+//  Access to the internal information of GSI
 
 static int t_void () { return T_void; }
 static int t_bool () { return T_bool; }

src/gsi/gsi/gsiMethods.h

@@ -63,7 +63,7 @@ struct IncompatibleReturnTypeException
  *
  *  A class declaration collects objects of this kind to represent methods and their specific
  *  implementation.
- *  This class is implemented in various specific ways that bind the abstract call to a specifc
+ *  This class is implemented in various specific ways that bind the abstract call to a specific
  *  C++ method.
  */
 class GSI_PUBLIC MethodBase 

src/gsi/gsi/gsiTypes.h

@@ -1451,7 +1451,7 @@ struct compute_pass_obj<arg_pass_ownership, X>
  *
  *  The type declaration carries the basic type code and flags, if the argument 
  *  is an iterator delivering the given types of a vector of the given types and
- *  adds class informations if the type is "T_object", "T_object_ref", "T_object_cref". 
+ *  adds class information if the type is "T_object", "T_object_ref", "T_object_cref". 
  */
 class GSI_PUBLIC ArgType
 {

src/img/img/gsiDeclImg.cc

@@ -484,7 +484,7 @@ gsi::Class<ImageRef> decl_Image (decl_BasicImage, "lay", "Image",
     "line by line. Each line must consist of \"w\" values where the first value is the leftmost pixel.\n"
     "Note, that the rows are oriented in the mathematical sense (first one is the lowest) contrary to \n"
     "the common convention for image data.\n"
-    "Initially the pixel width and heigt will be 1 micron and the data range will be 0 to 1.0 (black to white level). \n"
+    "Initially the pixel width and height will be 1 micron and the data range will be 0 to 1.0 (black to white level). \n"
     "To adjust the data range use the \\min_value and \\max_value properties.\n"
     "\n"
     "@param w The width of the image\n"
@@ -499,7 +499,7 @@ gsi::Class<ImageRef> decl_Image (decl_BasicImage, "lay", "Image",
     "line by line. Each line must consist of \"w\" values where the first value is the leftmost pixel.\n"
     "Note, that the rows are oriented in the mathematical sense (first one is the lowest) contrary to \n"
     "the common convention for image data.\n"
-    "Initially the pixel width and heigt will be 1 micron and the data range will be 0 to 1.0 (black to white level). \n"
+    "Initially the pixel width and height will be 1 micron and the data range will be 0 to 1.0 (black to white level). \n"
     "To adjust the data range use the \\min_value and \\max_value properties.\n"
     "\n"
     "@param w The width of the image\n"
@@ -518,7 +518,7 @@ gsi::Class<ImageRef> decl_Image (decl_BasicImage, "lay", "Image",
     "and so on. Note, that the rows are oriented in the mathematical sense (first one is the lowest) contrary to \n"
     "the common convention for image data.\n"
     "The data fields can be accessed with the \"data\", \"set_data\", \"pixel\" or \"set_pixel\" methods.\n"
-    "Initially the pixel width and heigt will be 1 micron and the data range will be 0 to 1.0 (black to white level). \n"
+    "Initially the pixel width and height will be 1 micron and the data range will be 0 to 1.0 (black to white level). \n"
     "\n"
     "@param w The width of the image\n"
     "@param h The height of the image\n"
@@ -534,7 +534,7 @@ gsi::Class<ImageRef> decl_Image (decl_BasicImage, "lay", "Image",
     "and so on. Note, that the rows are oriented in the mathematical sense (first one is the lowest) contrary to \n"
     "the common convention for image data.\n"
     "The data fields can be accessed with the \"data\", \"set_data\", \"pixel\" or \"set_pixel\" methods.\n"
-    "Initially the pixel width and heigt will be 1 micron and the data range will be 0 to 1.0 (black to white level). \n"
+    "Initially the pixel width and height will be 1 micron and the data range will be 0 to 1.0 (black to white level). \n"
     "\n"
     "@param w The width of the image\n"
     "@param h The height of the image\n"
@@ -550,7 +550,7 @@ gsi::Class<ImageRef> decl_Image (decl_BasicImage, "lay", "Image",
     "line by line and separated by color channel. Each line must consist of \"w\" values where the first value is the leftmost pixel.\n"
     "Note, that the rows are oriented in the mathematical sense (first one is the lowest) contrary to \n"
     "the common convention for image data.\n"
-    "Initially the pixel width and heigt will be 1 micron and the data range will be 0 to 1.0 (black to white level). \n"
+    "Initially the pixel width and height will be 1 micron and the data range will be 0 to 1.0 (black to white level). \n"
     "To adjust the data range use the \\min_value and \\max_value properties.\n"
     "\n"
     "@param w The width of the image\n"
@@ -567,7 +567,7 @@ gsi::Class<ImageRef> decl_Image (decl_BasicImage, "lay", "Image",
     "line by line and separated by color channel. Each line must consist of \"w\" values where the first value is the leftmost pixel.\n"
     "Note, that the rows are oriented in the mathematical sense (first one is the lowest) contrary to \n"
     "the common convention for image data.\n"
-    "Initially the pixel width and heigt will be 1 micron and the data range will be 0 to 1.0 (black to white level). \n"
+    "Initially the pixel width and height will be 1 micron and the data range will be 0 to 1.0 (black to white level). \n"
     "To adjust the data range use the \\min_value and \\max_value properties.\n"
     "\n"
     "@param w The width of the image\n"
@@ -931,7 +931,7 @@ gsi::Class<ImageRef> decl_Image (decl_BasicImage, "lay", "Image",
   "view automatically once the image object has been inserted into a view. "
   "Note that changes are not immediately reflected in the view, but are delayed until the view is refreshed. "
   "Hence, iterating the view's images will not render the same results than the image objects attached to the view. "
-  "To ensure synchonization, call \\Image#update."
+  "To ensure synchronization, call \\Image#update."
 );
 
 /**

src/img/img/imgObject.cc

@@ -189,7 +189,7 @@ DataMapping::create_data_mapping (bool monochrome, double xmin, double xmax, uns
       int h2, s2, v2;
       false_color_nodes [i].second.getHsv (&h2, &s2, &v2);
 
-      //  The number of steps is choosen such that the full HSV band divides into approximately 200 steps
+      //  The number of steps is chosen such that the full HSV band divides into approximately 200 steps
       double nsteps = 0.5 * sqrt (double (h1 - h2) * double (h1 - h2) + double (s1 - s2) * double (s1 - s2) + double (v1 - v2) * double (v1 - v2));
       int n = int (floor (nsteps + 1.0));
       double dx = (false_color_nodes [i].first - false_color_nodes [i - 1].first) / n;

src/img/img/imgService.cc

@@ -618,7 +618,7 @@ Service::begin_move (lay::Editable::MoveMode mode, const db::DPoint &p, lay::ang
 
   } else if (mode == lay::Editable::Partial) {
   
-    //  test, wether we are moving a handle of one selected object
+    //  test, whether we are moving a handle of one selected object
     for (std::map<obj_iterator, unsigned int>::const_iterator s = m_selected.begin (); s != m_selected.end (); ++s) {
 
       MoveMode mm = move_none;

src/lay/lay/MainConfigPage5.ui

@@ -34,7 +34,7 @@
       <item row="0" column="0" colspan="2" >
        <widget class="QLabel" name="label_2" >
         <property name="text" >
-         <string>Specifiy the number of digits to be used for displaying ...</string>
+         <string>Specify the number of digits to be used for displaying ...</string>
         </property>
         <property name="wordWrap" >
          <bool>true</bool>

src/lay/lay/SearchReplaceDialog.ui

@@ -995,7 +995,7 @@ Press 'Select+Replace' button to show items found, select some and replace them<
               <item>
                <widget class="QLabel" name="label_9" >
                 <property name="text" >
-                 <string>Press 'Execute' button to excute the query</string>
+                 <string>Press 'Execute' button to execute the query</string>
                 </property>
                 <property name="alignment" >
                  <set>Qt::AlignCenter</set>

src/lay/lay/doc/about/about_libraries.xml

@@ -26,7 +26,7 @@
   <p>
   When a layout containing library references is saved, KLayout stores
   some meta information in that file which allows it to restore the
-  library links and related informations.
+  library links and related information.
   For GDS, that meta information is stored in a separate top cell. For OASIS,
   the meta information is stored in special per-cell properties.
   For other formats, the meta information is not stored currently.

src/lay/lay/doc/about/about_pcells.xml

@@ -60,7 +60,7 @@
   <p>
   PCell's are usually packed in libraries. PCell libraries can be provided as
   shared objects/DLL's (in C++) or as Ruby scripts. Because PCell code is only executed if
-  required, performance usally is not the main objective. A Ruby implementation
+  required, performance usually is not the main objective. A Ruby implementation
   will therefore be sufficient in most cases and
   is a much easier to maintain. The Ruby approach also benefits from KLayout's integrated development
   environment.

src/lay/lay/doc/about/basic_lib.xml

@@ -106,7 +106,7 @@
   </p>
   
   <p>When a shape is converted to a donut, the shape's bounding box will be used to define the
-  enclosing box of the donut and the hole's diameter will be choosen to be half of the outer
+  enclosing box of the donut and the hole's diameter will be chosen to be half of the outer
   diameter.
   </p>
 
@@ -136,7 +136,7 @@
   The PCell features a parameter that defines the radius. The path itself
   can be manipulated as usual, in particular with partial edit mode.
   Path objects can be converted to ROUND_PATH pcells. In that case, the initial radius
-  will be choosen to be roughly 10 percent of the minimum bounding box dimensions
+  will be chosen to be roughly 10 percent of the minimum bounding box dimensions
   of the original path.
   </p>
 
@@ -154,7 +154,7 @@
   The PCell features a parameter that defines the radius. The polygon itself
   can be manipulated as usual, in particular with partial edit mode.
   Polygon, box or path objects can be converted to ROUND_POLYGON pcells. In that case, the initial radius
-  will be choosen to be roughly 10 percent of the minimum bounding box dimensions
+  will be chosen to be roughly 10 percent of the minimum bounding box dimensions
   of the original polygon.
   </p>
 
@@ -173,7 +173,7 @@
   The PCell features two parameters that define the radius and width of the "rim" line. 
   The polygon or box itself can be manipulated as usual.
   Polygon, box or path objects can be converted to STROKED_POLYGON or STROKED_BOX pcells. 
-  In that case, the initial radius will be zero. The width of the rim line will be choosen
+  In that case, the initial radius will be zero. The width of the rim line will be chosen
   to be roughly 10 percent of the minimum bounding box dimensions of the original polygon.
   For STROKED_BOX, the bounding box of the original shape will be used as the basic shape.
   </p>

src/lay/lay/doc/about/connectivity.xml

@@ -50,7 +50,7 @@
   <p>
   By creating conductor layers with boolean expressions, it is possible for example to separate an active area
   layer of a CMOS transistor into source and drain regions by subtracting the gate poly. Symbolic layers are useful
-  to use "speaking" names for layers instead of the numeric layer/datatype specificiation.
+  to use "speaking" names for layers instead of the numeric layer/datatype specification.
   Please note, that the net tracer is considerably slower when using boolean expressions.
   </p>
 

src/lay/lay/doc/about/drc_ref_layer.xml

@@ -76,7 +76,7 @@ result will be the edges of the first operand which are inside or on the
 borders of the polygons of the second operand.
 </p><p>
 The following images show the effect of the "and" method
-on polygons and egdes (layer1: red, layer2: blue):
+on polygons and edges (layer1: red, layer2: blue):
 </p><p>
 <table>
 <tr>
@@ -847,7 +847,7 @@ It is an alias for the "+" operator.
 This method is available for polygon, edge and edge pair layers.
 </p><p>
 The following images show the effect of the "join" method
-on polygons and egdes (layer1: red, layer2: blue):
+on polygons and edges (layer1: red, layer2: blue):
 </p><p>
 <table>
 <tr>
@@ -1017,7 +1017,7 @@ result will be the edges of the first operand which are outside the polygons
 of the second operand.
 </p><p>
 The following images show the effect of the "not" method
-on polygons and egdes (layer1: red, layer2: blue):
+on polygons and edges (layer1: red, layer2: blue):
 </p><p>
 <table>
 <tr>
@@ -1203,7 +1203,7 @@ It is an alias for the "|" operator.
 This method is available for polygon and edge layers.
 </p><p>
 The following images show the effect of the "or" method
-on polygons and egdes (layer1: red, layer2: blue):
+on polygons and edges (layer1: red, layer2: blue):
 </p><p>
 <table>
 <tr>
@@ -2321,7 +2321,7 @@ It is an alias for the "^" operator.
 This method is available for polygon and edge layers.
 </p><p>
 The following images show the effect of the "xor" method
-on polygons and egdes (layer1: red, layer2: blue):
+on polygons and edges (layer1: red, layer2: blue):
 </p><p>
 <table>
 <tr>

src/lay/lay/doc/about/lef_def_import.xml

@@ -136,7 +136,7 @@
 
   <ul>
     <li><b>Produce net names:</b> Check this option to assign user properties with the
-      net name to the net shapes in DEF files. The user propery name used for that
+      net name to the net shapes in DEF files. The user property name used for that
       purpose can be specified in the edit box below the check box. Use KLayout's 
       variant notation (see <link href="about/variant_notation.xml"/>) to specify
       value and type of the property name.

src/lay/lay/doc/manual/copypaste_cell.xml

@@ -15,7 +15,7 @@
   </p>
 
   <p>
-  Two copy modes are provided: deep and shallow copy. When "copy" or "cut" is choosen and 
+  Two copy modes are provided: deep and shallow copy. When "copy" or "cut" is chosen and 
   the cell instantiates other cells, a dialog will been shown in which the mode can be selected:
   </p>
 

src/lay/lay/doc/manual/create_variants.xml

@@ -42,7 +42,7 @@
   <p>
   This is the initial situation: a cell is instantiated 9 times in a 3x3 array and one shape
   inside one of these instances is selected. The two following screenshots show the full-level
-  hierarchy view and just the top level hiearchy to demonstrate that the cell is placed 
+  hierarchy view and just the top level hierarchy to demonstrate that the cell is placed 
   9 times.
   </p>
 

src/lay/lay/doc/manual/marker_browser.xml

@@ -18,7 +18,7 @@
   items. Usually, a value is a collection of geometrical objects which somehow flag
   some position or drawn geometry. Multiple of such values comprise a "marker item". 
   The report database associates these marker items with
-  additional informations:</p>
+  additional information:</p>
 
   <ul>
     <li><b>Tags:</b> Flags that indicate certain conditions. The marker browser uses
@@ -102,7 +102,7 @@
   properties. Tagged values are generated by certain generators and can represent 
   measurement values or similar. When tagged values are present, they will be shown 
   in the markers list. The markers can be sorted by these values by clicking on the 
-  approriate header.
+  appropriate header.
   </p>
 
 </doc>

src/lay/lay/doc/programming/application_api.xml

@@ -119,7 +119,7 @@
     <li><class_doc href="MainWindow#reader_options"/>: gets the current layout reader options and allows modification of the latter. 
       The reader options configure the reading of layouts.</li>
     <li><class_doc href="MainWindow#save_session"/> and <class_doc href="MainWindow#restore_session"/>: save or restore a session. 
-      Sessions contain a window settings and informations about the layouts loaded. 
+      Sessions contain a window settings and information about the layouts loaded. 
       Sessions allows storing and restoring of the state of the main window.</li>
     <li><class_doc href="MainWindow#select_view"/>: switches to the given tab. This equivalent to using <class_doc href="MainWindow#current_view_index="/>.</li>
     <li><class_doc href="MainWindow#view"/>: gets the <class_doc href="LayoutView"/> object for a given tab index.</li>

src/lay/lay/doc/programming/database_api.xml

@@ -1046,11 +1046,11 @@ end</pre>
 
   <p>
   With version 0.23, new collection objects entered the stage: <class_doc href="Region"/>, <class_doc href="Edges"/> and
-  <class_doc href="EdgePairs"/> which basically provide a way to store polygons, edges or egde pair objects 
+  <class_doc href="EdgePairs"/> which basically provide a way to store polygons, edges or edge pair objects 
   independently from the shapes container. They are mainly used to implement bulk operations, specifically for
   the DRC functionality. The cooperate with the shapes container in the sense that they can be inserted into 
   a shapes container which will produce polygons or edges in the layout database (edge pairs are converted to single
-  egdes or polygons. These classes are discussed in <link href="/programming/geometry_api.xml"/>.
+  edges or polygons. These classes are discussed in <link href="/programming/geometry_api.xml"/>.
   </p>
 
   <h2>The Shape class</h2>

src/lay/lay/doc/programming/introduction.xml

@@ -159,7 +159,7 @@ end</pre>
   <p>
   The layout view is the representation of a layout tab (<class_doc href="LayoutView"/>). That is basically the window to 
   the layouts loaded into that tab. 
-  All related information such as the display settings, the zoom area, the layer properties and the informations about the 
+  All related information such as the display settings, the zoom area, the layer properties and the information about the 
   cell shown, the hierarchy levels and further settings go here. 
   </p>
 

src/lay/lay/doc/programming/qt_binding.xml

@@ -215,7 +215,7 @@ end</pre>
   Starting with version 0.24, the <tt>QFlags</tt> template is supported as a separate class.
   The name of the class indicates the relationship to the enum class.
   For example, <tt>QFlags&lt;QMessageBox::Icon&gt;</tt> is available as <tt>QMessageBox_QFlags_Icon</tt>.
-  Enum classes are derived from their respective flags class, so they can serve to initialize aguments
+  Enum classes are derived from their respective flags class, so they can serve to initialize arguments
   expecting flags.
   It's hardly required to operate with the flags classes directly, since they are created automatically
   when joining enum's with the "or" (<tt>|</tt>) operator:

src/lay/lay/doc/programming/ruby_pcells.xml

@@ -226,7 +226,7 @@ end</pre>
   having to write "RBA::" in front of the class names.
   </p>
   
-  <p>The initialization of the object is alreay a very important step. First, it 
+  <p>The initialization of the object is already a very important step. First, it 
   must initialize the super class. Then it has to declare the PCell parameters.
   Each PCell has a set of parameters that define the appearance of the PCell.
   Parameters have a symbolic name, a type, a description and optionally a default

src/lay/lay/gsiDeclLayApplication.cc

@@ -170,7 +170,7 @@ static gsi::Methods application_methods ()
       "@return A value indicating whether the operation was successful\n"
       "\n"
       "This method siletly does nothing, if the config file does not\n"
-      "exist. If it does and an error occured, the error message is printed\n"
+      "exist. If it does and an error occurred, the error message is printed\n"
       "on stderr. In both cases, false is returned.\n"
     ) +
     method<C, lay::MainWindow *> ("main_window", &C::main_window,

src/lay/lay/layApplication.cc

@@ -170,7 +170,7 @@ static void ui_exception_handler_def (QWidget *parent)
   if (! parent) {
     parent = QApplication::activeWindow () ? QApplication::activeWindow () : lay::MainWindow::instance ();
   }
-  QMessageBox::critical (parent, QObject::tr ("Error"), QObject::tr ("An unspecific error occured")); 
+  QMessageBox::critical (parent, QObject::tr ("Error"), QObject::tr ("An unspecific error occurred")); 
 }
 
 // --------------------------------------------------------------------------------

src/lay/lay/layApplication.h

@@ -183,7 +183,7 @@ public:
    *  @brief Read the configuration from a file
    *
    *  This method siletly does nothing, if the config file does not
-   *  exist. If it does and an error occured, the error message is printed
+   *  exist. If it does and an error occurred, the error message is printed
    *  on stderr. In both cases, false is returned.
    */
   bool read_config (const std::string &config_file);

src/lay/lay/laySaltDownloadManager.h

@@ -99,7 +99,7 @@ public:
   /**
    *  @brief Registers an URL (with version) for download in the given target directory
    *
-   *  The target directory can be empty. In this case, the downloader will pick an approriate one.
+   *  The target directory can be empty. In this case, the downloader will pick an appropriate one.
    */
   void register_download (const std::string &name, const std::string &token, const std::string &url, const std::string &version);
 

src/lay/lay/layVersion.h

@@ -29,7 +29,7 @@
 namespace lay {
 
 /**
- *  @brief This class provides the program's version informations
+ *  @brief This class provides the program's version information
  */
 
 class LAY_PUBLIC Version

src/lay/lay/macro_templates/qt_designer.lym

@@ -17,7 +17,7 @@
   # load the UI file
   # TODO: this is how to load a file from a path next to the .lym file
   # ui_file = QFile::new(QFileInfo::new($0).dir.filePath("MyDialog.ui"))
-  # Initially we use the sample file provided as resoure
+  # Initially we use the sample file provided as resource
   ui_file = QFile::new(":/macro-templates/qt_designer.ui")
   ui_file.open(QIODevice::ReadOnly)
   dialog = QFormBuilder::new.load(ui_file, Application::instance.main_window)

src/lay/lay/syntax/ruby.xml

@@ -313,7 +313,7 @@
 			<!-- In the following contexts, a slash character ('/') is a division operator -->
 			<!-- Everywhere else, it's a regular expression delimiter -->
 
-			<!-- A slash is always a division operator, even if preceeded by whitespace -->
+			<!-- A slash is always a division operator, even if preceded by whitespace -->
 			<context name="check_div_1" attribute="Normal Text" fallthrough="true" fallthroughContext="#pop" lineEndContext="#pop">
 				<RegExpr attribute="Normal Text" String="\s*" context="#stay"/>
 				<AnyChar attribute="Operator" String="/%" context="#pop"/>
@@ -325,7 +325,7 @@
 				<AnyChar attribute="Operator" String="/%" context="#pop#pop"/>
 			</context>
 
-			<!-- A slash is division operator if it's the first character, or if preceeded and followed by whitespace -->
+			<!-- A slash is division operator if it's the first character, or if preceded and followed by whitespace -->
 			<context name="check_div_2" attribute="Normal Text" fallthrough="true" fallthroughContext="#pop" lineEndContext="#pop">
 				<AnyChar attribute="Operator" String="/%" context="#pop"/>
 				<RegExpr attribute="Normal Text" String="\s+" context="check_div_2_internal"/>

src/laybasic/laybasic/gsiDeclLayDialogs.cc

@@ -360,7 +360,7 @@ Class<BrowserDialog_Stub> decl_BrowserDialog (QT_EXTERNAL_BASE (QDialog) "lay",
     "@brief Reloads the current page"
   ) +
   gsi::method ("home=|#set_home", &BrowserDialog_Stub::set_home, 
-    "@brief Sets the browser's initial and current URL which is selected if the \"home\" location is choosen\n"
+    "@brief Sets the browser's initial and current URL which is selected if the \"home\" location is chosen\n"
     "@args home_url\n"
     "The home URL is the one shown initially and the one which is selected when the \"home\" button is pressed. "
     "The default location is \"int:/index.html\".\n"
@@ -513,7 +513,7 @@ Class<lay::BrowserPanel> decl_BrowserPanel (QT_EXTERNAL_BASE (QWidget) "lay", "B
     "@brief Reloads the current page"
   ) +
   gsi::method ("home=", &lay::BrowserPanel::set_home, 
-    "@brief Sets the browser widget's initial and current URL which is selected if the \"home\" location is choosen\n"
+    "@brief Sets the browser widget's initial and current URL which is selected if the \"home\" location is chosen\n"
     "@args home_url\n"
     "The home URL is the one shown initially and the one which is selected when the \"home\" button is pressed. "
     "The default location is \"int:/index.html\".\n"
@@ -726,7 +726,7 @@ Class<InputDialog> decl_InputDialog ("lay", "InputDialog",
     "@param title The title to display for the dialog\n"
     "@param label The label text to display for the dialog\n"
     "@param items The list of items to show in the selection element\n"
-    "@param selection The initial selection (index of the element selected intially)\n"
+    "@param selection The initial selection (index of the element selected initially)\n"
     "@return A \\StringValue object with has_value? set to true, if \"Ok\" was pressed and the value given in it's value attribute\n"
     "Starting from 0.22, this method is deprecated and it is recommended to use the ask_... equivalent."
   ) +

src/laybasic/laybasic/gsiDeclLayLayers.cc

@@ -978,7 +978,7 @@ Class<lay::LayerProperties> decl_LayerProperties ("lay", "LayerProperties",
     "This is the hierarchy level at which the drawing starts. "
     "This property is only meaningful, if \\has_upper_hier_level is true. "
     "The hierarchy level can be relative in which case, 0 refers to the context cell's level. "
-    "A mode can be specfied for the hierarchy level which is 0 for absolute, 1 for minimum "
+    "A mode can be specified for the hierarchy level which is 0 for absolute, 1 for minimum "
     "of specified level and set level and 2 for maximum of specified level and set level. "
   ) +
   method_ext ("upper_hier_level", &get_upper_hier_level_1, 
@@ -1069,7 +1069,7 @@ Class<lay::LayerProperties> decl_LayerProperties ("lay", "LayerProperties",
     "This is the hierarchy level at which the drawing starts. "
     "This property is only meaningful, if \\has_lower_hier_level is true. "
     "The hierarchy level can be relative in which case, 0 refers to the context cell's level. "
-    "A mode can be specfied for the hierarchy level which is 0 for absolute, 1 for minimum "
+    "A mode can be specified for the hierarchy level which is 0 for absolute, 1 for minimum "
     "of specified level and set level and 2 for maximum of specified level and set level. "
   ) +
   method_ext ("lower_hier_level", &get_lower_hier_level_1, 

src/laybasic/laybasic/gsiDeclLayLayoutView.cc

@@ -676,7 +676,7 @@ Class<lay::LayoutView> decl_LayoutView (QT_EXTERNAL_BASE (QWidget) "lay", "Layou
     "current path is returned for the cellview given by cv_index.\n"
     "The cell path is a list of cell indices from the top cell to the current cell.\n"
     "\n"
-    "@param cv_index The cellview index for which to get the current path from (usally this will be the active cellview index)"
+    "@param cv_index The cellview index for which to get the current path from (usually this will be the active cellview index)"
     "\n"
     "This method is was deprecated in version 0.25 since from then, the \\CellView object can be used to obtain an manipulate the selected cell."
   ) +
@@ -684,10 +684,10 @@ Class<lay::LayoutView> decl_LayoutView (QT_EXTERNAL_BASE (QWidget) "lay", "Layou
     "@brief Sets the path to the current cell\n"
     "\n"
     "The current cell is the one highlighted in the browser with the focus rectangle. The\n"
-    "cell given by the path is hightlighted and scrolled into view.\n"
+    "cell given by the path is highlighted and scrolled into view.\n"
     "To select the cell to be drawn, use the \\select_cell or \\select_cell_path method.\n"
     "\n"
-    "@param cv_index The cellview index for which to set the current path for (usally this will be the active cellview index)\n"
+    "@param cv_index The cellview index for which to set the current path for (usually this will be the active cellview index)\n"
     "@param path The path to the current cell\n"
     "\n"
     "This method is was deprecated in version 0.25 since from then, the \\CellView object can be used to obtain an manipulate the selected cell."
@@ -1020,7 +1020,7 @@ Class<lay::LayoutView> decl_LayoutView (QT_EXTERNAL_BASE (QWidget) "lay", "Layou
     "\n"
     "This method inserts the new properties node before the position given by \"iter\" and returns "
     "a const reference to the element created. The iterator that specified the position will remain valid "
-    "after the node was inserted and will point to the newly created node. It can be used to add futher nodes. "
+    "after the node was inserted and will point to the newly created node. It can be used to add further nodes. "
     "To add children to the node inserted, use iter.last_child as insertion point for the next insert operations.\n"
     "\n"
     "Since version 0.22, this method accepts LayerProperties and LayerPropertiesNode objects. A LayerPropertiesNode "
@@ -1034,7 +1034,7 @@ Class<lay::LayoutView> decl_LayoutView (QT_EXTERNAL_BASE (QWidget) "lay", "Layou
     "This version addresses a specific list in a multi-tab layer properties arrangement with the \"index\" parameter. "
     "This method inserts the new properties node before the position given by \"iter\" and returns "
     "a const reference to the element created. The iterator that specified the position will remain valid "
-    "after the node was inserted and will point to the newly created node. It can be used to add futher nodes. "
+    "after the node was inserted and will point to the newly created node. It can be used to add further nodes. "
     "\n"
     "This method has been introduced in version 0.21.\n"
     "Since version 0.22, this method accepts LayerProperties and LayerPropertiesNode objects. A LayerPropertiesNode "
@@ -1104,7 +1104,7 @@ Class<lay::LayoutView> decl_LayoutView (QT_EXTERNAL_BASE (QWidget) "lay", "Layou
     "This iterator delivers the layers of this view, either in a recursive or non-recursive\n"
     "fashion, depending which iterator increment methods are used.\n"
     "The iterator delivered by \\end_layers is the past-the-end iterator. It can be compared\n"
-    "agains a current iterator to check, if there are no further elements.\n"
+    "against a current iterator to check, if there are no further elements.\n"
     "\n"
     "Starting from version 0.25, an alternative solution is provided with 'each_layer' which is based on the "
     "\\LayerPropertiesNodeRef class."
@@ -1119,7 +1119,7 @@ Class<lay::LayoutView> decl_LayoutView (QT_EXTERNAL_BASE (QWidget) "lay", "Layou
     "This iterator delivers the layers of this view, either in a recursive or non-recursive\n"
     "fashion, depending which iterator increment methods are used.\n"
     "The iterator delivered by \\end_layers is the past-the-end iterator. It can be compared\n"
-    "agains a current iterator to check, if there are no further elements.\n"
+    "against a current iterator to check, if there are no further elements.\n"
     "This version addresses a specific list in a multi-tab layer properties arrangement with the \"index\" parameter. "
     "This method has been introduced in version 0.21.\n"
   ) +
@@ -1497,7 +1497,7 @@ Class<lay::LayoutView> decl_LayoutView (QT_EXTERNAL_BASE (QWidget) "lay", "Layou
     "A transaction brackets a sequence of database modifications that appear as a single "
     "undo action. Only modifications that are wrapped inside a transaction..commit call pair "
     "can be undone.\n"
-    "Each transaction must be terminated with a \\commit method call, even if some error occured. "
+    "Each transaction must be terminated with a \\commit method call, even if some error occurred. "
     "It is advisable therefore to catch errors and issue a commit call in this case.\n"
     "\n"
     "This method was introduced in version 0.16."

src/laybasic/laybasic/gsiDeclLayMenu.cc

@@ -123,7 +123,7 @@ Class<lay::AbstractMenu> decl_AbstractMenu ("lay", "AbstractMenu",
   "\n"
   "@<table>\n"
   "  @<tr>@<td>\"\"                 @</td>@<td>is the root@</td>@</tr> \n"
-  "  @<tr>@<td>\"[<path>.]<name>\"  @</td>@<td>is an element of the submenu given by <path>. If <path> is ommitted, this refers to an element in the root@</td>@</tr> \n"
+  "  @<tr>@<td>\"[<path>.]<name>\"  @</td>@<td>is an element of the submenu given by <path>. If <path> is omitted, this refers to an element in the root@</td>@</tr> \n"
   "  @<tr>@<td>\"[<path>.]end\"     @</td>@<td>refers to the item past the last item of the submenu given by <path> or root@</td>@</tr>\n"
   "  @<tr>@<td>\"[<path>.]begin\"   @</td>@<td>refers to the first item of the submenu given by <path> or root@</td>@</tr>\n"
   "  @<tr>@<td>\"[<path>.]#<n>\"    @</td>@<td>refers to the nth item of the submenu given by <path> or root (n is an integer number)@</td>@</tr>\n"

src/laybasic/laybasic/gsiDeclLayPlugin.cc

@@ -905,7 +905,7 @@ Class<lay::PluginRoot> decl_PluginRoot ("lay", "PluginRoot",
     "@return A value indicating whether the operation was successful\n"
     "\n"
     "This method siletly does nothing, if the config file does not\n"
-    "exist. If it does and an error occured, the error message is printed\n"
+    "exist. If it does and an error occurred, the error message is printed\n"
     "on stderr. In both cases, false is returned.\n"
   ) +
   method_ext ("get_config", &get_config,

src/laybasic/laybasic/layAbstractMenu.h

@@ -624,7 +624,7 @@ private:
  *  Menu items and submenus are referred to by a "path". The path is a string with this interpretation:
  *
  *    ""                 is the root 
- *    "[<path>.]<name>"  is an element of the submenu given by <path>. If <path> is ommitted, this refers to 
+ *    "[<path>.]<name>"  is an element of the submenu given by <path>. If <path> is omitted, this refers to 
  *                       an element in the root 
  *    "[<path>.]end      refers to the item past the last item of the submenu given by <path> or root
  *    "[<path>.]begin    refers to the first item of the submenu given by <path> or root

src/laybasic/laybasic/layBitmapRenderer.h

@@ -37,7 +37,7 @@ namespace lay
  *  The renderer is supposed to render a set of edges to
  *  one or more bitmaps. One bitmap holds the contour
  *  information, one the fill. A third one holds the 
- *  vertex informations (dots).
+ *  vertex information (dots).
  *  
  *  The intended use model is first to reserve a number of
  *  points if necessary, the fill the renderer with the

src/laybasic/laybasic/layBitmapsToImage.cc

@@ -534,7 +534,7 @@ bitmaps_to_image_rgb (const std::vector<lay::ViewOp> &view_ops_in,
 
     } 
 
-    //  Collect all necessary informations to transfer a single scanline ..
+    //  Collect all necessary information to transfer a single scanline ..
     
     masks.erase (masks.begin (), masks.end ());
 

src/laybasic/laybasic/layDitherPattern.h

@@ -140,7 +140,7 @@ public:
    *  The pattern returned is guaranteed to be at least of
    *  size (32*pattern_stride)x64 bits. If the actual width or height is smaller,
    *  the pattern is repeated to fill this area.
-   *  The pattern stride may be bigger than 1 to accomodate pattern with
+   *  The pattern stride may be bigger than 1 to accommodate pattern with
    *  a width that is not a fraction of 32. Such pattern are repeated until
    *  they fill a multiple of 32 bits.
    */

src/laybasic/laybasic/layEditable.h

@@ -136,7 +136,7 @@ public:
    *  proximity is a typical distance value of the point to the closest
    *  object in micron. The plugin with the least point selection proximity
    *  is selected first for the actual "select" operation.
-   *  If a plugin definitly wants to get the selection, it should return
+   *  If a plugin definitely wants to get the selection, it should return
    *  a negative value. If the plugin is only weakly interested in a selection,
    *  it should return the value provided by the default implementation.
    *  The click_proximity method can be used to implement cycling through
@@ -186,7 +186,7 @@ public:
    *  This method is used by the single-point selection cycling protocol to clear the 
    *  plugin's single-point selection state. The cycling protocol is used when a certain
    *  point is clicked at multiple times. A plugin is supposed to remember such selections and
-   *  exlcude them from futher checks. If all objects in question are selected, no further 
+   *  exlcude them from further checks. If all objects in question are selected, no further 
    *  object would be selected. clear_previous_selection is called in that case to indicate that
    *  the previous selection should be cleared and a new cycle is about to begin
    */

src/laybasic/laybasic/layLayerProperties.cc

@@ -1438,7 +1438,7 @@ LayerPropertiesList::expand (const std::map<int, int> &map_cv_index, bool add_de
 
     }
 
-    //  erase the items specfied to removal (cv mapping to -1)
+    //  erase the items specified to removal (cv mapping to -1)
     for (std::set<int>::const_iterator cv = cvrefs_to_erase.begin (); cv != cvrefs_to_erase.end (); ++cv) {
       remove_cv_references (*cv, false);
     }

src/laybasic/laybasic/layLayoutView.cc

@@ -2613,7 +2613,7 @@ LayoutView::add_new_layers (const std::vector <unsigned int> &layer_ids, int cv_
     lay::LayerPropertiesList new_props (get_properties ());
 
     //  don't create new layers for those, for which there are layers already: compute a 
-    //  set of layers alreay present
+    //  set of layers already present
     std::set <db::LayerProperties, db::LPLogicalLessFunc> present_layers;
     for (LayerPropertiesConstIterator lay_iter = begin_layers (); ! lay_iter.at_end (); ++lay_iter) {
       if (! lay_iter->has_children () && lay_iter->cellview_index () == cv_index) {
@@ -4279,7 +4279,7 @@ LayoutView::max_hier_changed (int i)
 }
 
 /**
- *  @brief set the maximum hierachy level to the number of levels available
+ *  @brief set the maximum hierarchy level to the number of levels available
  */
 void 
 LayoutView::max_hier ()

src/laybasic/laybasic/layLayoutView.h

@@ -1451,7 +1451,7 @@ public:
    *  @brief Set the path to the current cell
    *
    *  The current cell is the one highlighted in the browser with the focus rectangle. The
-   *  cell given by the path is hightlighted and scrolled into view.
+   *  cell given by the path is highlighted and scrolled into view.
    */
   void set_current_cell_path (int cv_index, const cell_path_type &path);
   

src/laybasic/laybasic/layLineStyles.h

@@ -132,7 +132,7 @@ public:
    *  The pattern returned is guaranteed to be at least of
    *  size (32*pattern_stride)x64 bits. If the actual width or height is smaller,
    *  the pattern is repeated to fill this area.
-   *  The pattern stride may be bigger than 1 to accomodate pattern with
+   *  The pattern stride may be bigger than 1 to accommodate pattern with
    *  a width that is not a fraction of 32. Such pattern are repeated until
    *  they fill a multiple of 32 bits.
    */

src/laybasic/laybasic/layPlugin.h

@@ -818,7 +818,7 @@ public:
    *  If the configuration file cannot be written, false
    *  is returned but no exception is thrown.
    *
-   *  @return false, if an error occured.
+   *  @return false, if an error occurred.
    */
   bool write_config (const std::string &config_file);
 
@@ -826,10 +826,10 @@ public:
    *  @brief Read the configuration from a file
    *
    *  This method siletly does nothing, if the config file does not
-   *  exist. If it does and an error occured, the error message is printed
+   *  exist. If it does and an error occurred, the error message is printed
    *  on stderr. In both cases, false is returned.
    *
-   *  @return false, if an error occured.
+   *  @return false, if an error occurred.
    */
   bool read_config (const std::string &config_file);
 

src/laybasic/laybasic/layRenderer.h

@@ -51,7 +51,7 @@ class CanvasPlane;
  *  The renderer is supposed to render a set of edges to
  *  one or more bitmaps. One bitmap holds the contour
  *  information, one the fill. A third one holds the 
- *  vertex informations (dots).
+ *  vertex information (dots).
  *  
  *  The intended use model is first to reserve a number of
  *  points if necessary, the fill the renderer with the

src/lym/lym/lymMacro.cc

@@ -954,7 +954,7 @@ void Macro::install_doc () const
       } else if (ex.test ("@method") || (st = ex.test ("@static_method")) == true) {
 
         if (cls == 0) {
-          tl::error << tl::to_string (QObject::tr ("Reading class doc from ")) << path () << ": " << tl::to_string (QObject::tr ("@method without preceeding @class"));
+          tl::error << tl::to_string (QObject::tr ("Reading class doc from ")) << path () << ": " << tl::to_string (QObject::tr ("@method without preceding @class"));
         } else {
 
           std::string n;

src/plugins/streamers/cif/db_plugin/dbCIF.h

@@ -46,12 +46,12 @@ public:
   virtual ~CIFDiagnostics ();
 
   /**
-   *  @brief Issue an error with positional informations
+   *  @brief Issue an error with positional information
    */
   virtual void error (const std::string &txt) = 0;
 
   /**
-   *  @brief Issue a warning with positional informations
+   *  @brief Issue a warning with positional information
    */
   virtual void warn (const std::string &txt) = 0;
 };

src/plugins/streamers/cif/db_plugin/dbCIFReader.h

@@ -118,14 +118,14 @@ public:
   virtual const char *format () const { return "CIF"; }
 
   /**
-   *  @brief Issue an error with positional informations
+   *  @brief Issue an error with positional information
    *
    *  Reimplements CIFDiagnostics
    */
   virtual void error (const std::string &txt);
 
   /**
-   *  @brief Issue a warning with positional informations
+   *  @brief Issue a warning with positional information
    *
    *  Reimplements CIFDiagnostics
    */

src/plugins/streamers/dxf/db_plugin/dbDXF.h

@@ -46,12 +46,12 @@ public:
   virtual ~DXFDiagnostics ();
 
   /**
-   *  @brief Issue an error with positional informations
+   *  @brief Issue an error with positional information
    */
   virtual void error (const std::string &txt) = 0;
 
   /**
-   *  @brief Issue a warning with positional informations
+   *  @brief Issue a warning with positional information
    */
   virtual void warn (const std::string &txt) = 0;
 };

src/plugins/streamers/dxf/db_plugin/dbDXFReader.h

@@ -122,14 +122,14 @@ public:
   virtual const char *format () const { return "DXF"; }
 
   /**
-   *  @brief Issue an error with positional informations
+   *  @brief Issue an error with positional information
    *
    *  Reimplements DXFDiagnostics
    */
   virtual void error (const std::string &txt);
 
   /**
-   *  @brief Issue a warning with positional informations
+   *  @brief Issue a warning with positional information
    *
    *  Reimplements DXFDiagnostics
    */