Spelling and related fixes

No effect on executable code.

ieee1364-notes.txt

@@ -285,7 +285,7 @@ One might note that the quote from section 4.1.14 says "Unsized
 expressions...", so arguably accepting (15+1) or even (16+0) as an
 operand to a concatenation is not a violation of the letter of the
 law. However, the very next sentence of the quote expresses the
-intent, and accepting (15+1) as having a more defined size taen (16)
+intent, and accepting (15+1) as having a more defined size than (16)
 seems to be a violation of that intent.
 
 Whatever a compiler decides the size is, the user has no way to

ivl_target.h

@@ -60,7 +60,7 @@ _BEGIN_DECL
  * around.
  *
  * ivl_array_t
- *    This object represent an array that can be a memory or a net
+ *    This object represents an array that can be a memory or a net
  *    array. (They are the same from the perspective of ivl_target.h.)
  *
  * ivl_branch_t
@@ -82,14 +82,13 @@ _BEGIN_DECL
  *    particular gets the type of the node in the form of an
  *    ivl_expr_type_t enumeration value.
  *
- *    Objects of this type represent expressions in
+ *    Objects of this type represent expressions in processes.
- *    processes. Structural expressions are instead treated as logic
+ *    Structural expressions are instead treated as logic gates.
- *    gates.
  *
  * ivl_island_t
  *    Certain types of objects may belong to islands. The island that
  *    they belong to is represented by the ivl_island_t cookie. To
- *    know if object belong to the same island, it is sufficient to
+ *    know if objects belong to the same island, it is sufficient to
  *    compare island cookies. If a==b, then island a is the same as
  *    island b.
  *
@@ -1475,7 +1474,7 @@ extern ivl_signal_t ivl_lval_sig(ivl_lval_t net);
  *    that are input only, drive0 and drive1 are both IVL_DR_HiZ.
  *
  *    The strength of strength-aware devices (such as nmos devices)
- *    does not really matter, as long at the output is not
+ *    does not really matter, as long as the output is not
  *    IVL_DR_HiZ. Testing for HiZ drivers is how code generators
  *    detect inputs.
  *
@@ -1543,7 +1542,7 @@ extern ivl_signal_t ivl_nexus_ptr_sig(ivl_nexus_ptr_t net);
  *
  * ivl_parameter_file
  * ivl_parameter_lineno
- *    Returns the file and line where this parameter is define
+ *    Returns the file and line where this parameter is defined
  */
 extern const char* ivl_parameter_basename(ivl_parameter_t net);
 extern ivl_scope_t ivl_parameter_scope(ivl_parameter_t net);

t-dll.txt

@@ -32,7 +32,7 @@ access the design.
 ABOUT SPECIFIC EXPRESSION TYPES
 
 In this section find notes about the various kinds of expression
-nodes. The notes here are in addition to the more generation
+nodes. The notes here are in addition to the more general
 documentation in the ivl_target.h header file.
 
 * IVL_EX_CONCAT

tgt-vhdl/scope.cc

@@ -636,7 +636,7 @@ static void declare_one_signal(vhdl_entity *ent, ivl_signal_t sig,
 }
 
 // Declare all signals and ports for a scope.
-// This is done in two phases: first the ports are added then then
+// This is done in two phases: first the ports are added, then
 // internal signals. Making two passes like this ensures ports get
 // first pick of names when there is a collision.
 static void declare_signals(vhdl_entity *ent, ivl_scope_t scope)

vpi/sys_display.c

@@ -608,7 +608,7 @@ static unsigned int get_format_char(char **rtn, int ljust, int plus,
           /* The 512 (513-1 for EOL) is more than enough for any double
            * value (309 digits plus a decimal point maximum). Because of
            * scaling this could be larger. For decimal values you can
-           * have an arbitraty value so you can overflow the buffer, but
+           * have an arbitrary value so you can overflow the buffer, but
            * for now we will assume the user will use this as intended
            * (pass a time variable or the result of a time function). */
           tbuf = malloc((513+suff_len)*sizeof(char));

vpi/sys_readmem.c

@@ -56,7 +56,7 @@ static void get_mem_params(vpiHandle argv, vpiHandle callh, const char *name,
 		             "value.\n", name);
 	    }
 
-	    /* Get optional forth parameter (finish address). */
+	    /* Get optional fourth parameter (finish address). */
 	    *stop_item = vpi_scan(argv);
 	    if (*stop_item) {
 		  /* Warn the user if they gave a real value for the finish
@@ -321,7 +321,7 @@ static PLI_INT32 sys_readmem_calltf(ICARUS_VPI_CONST PLI_BYTE8*name)
 
       wwid = vpi_get(vpiSize, vpi_handle_by_index(mitem, min_addr));
 
-      /* variable that will be uses by the lexer to pass values
+      /* variable that will be used by the lexer to pass values
 	 back to this code */
       value.format = vpiVectorVal;
       value.value.vector = calloc((wwid+31)/32, sizeof(s_vpi_vecval));