diff --git a/BUGS.txt b/BUGS.txt
index 04fa0cf55..6c41fefba 100644
--- a/BUGS.txt
+++ b/BUGS.txt
@@ -16,7 +16,7 @@ compilation tools you are using. Specifically, I need to know:
 	- Operating system and processor type,
 	- Compiler w/ version,
 	- Library version, and
-	- anything else you think relevent.
+	- anything else you think relevant.
 
 Be aware that I do not have at my disposal a porting lab. I have the
 alpha on my desk, and the Linux/Intel box with a logic analyzer and
@@ -141,8 +141,11 @@ then falls under the "otherwise noted" category.
 I must insist that any copyright material submitted for inclusion
 include the GPL license notice as shown in the rest of the source.
 
-$Id: BUGS.txt,v 1.2 1999/08/06 04:05:28 steve Exp $
+$Id: BUGS.txt,v 1.3 2003/01/30 16:23:07 steve Exp $
 $Log: BUGS.txt,v $
+Revision 1.3  2003/01/30 16:23:07  steve
+ Spelling fixes.
+
 Revision 1.2  1999/08/06 04:05:28  steve
  Handle scope of parameters.
 
diff --git a/PEvent.h b/PEvent.h
index b66f1fe98..834d5d7e6 100644
--- a/PEvent.h
+++ b/PEvent.h
@@ -19,7 +19,7 @@
  *    Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
  */
 #ifdef HAVE_CVS_IDENT
-#ident "$Id: PEvent.h,v 1.6 2002/08/12 01:34:58 steve Exp $"
+#ident "$Id: PEvent.h,v 1.7 2003/01/30 16:23:07 steve Exp $"
 #endif
 
 # include  "LineInfo.h"
@@ -31,7 +31,7 @@ class NetScope;
 /*
  * The PEvent class represents event objects. These are things that
  * are declared in Verilog as ``event foo;'' The name passed to the
- * constructure is the "foo" part of the declaration.
+ * constructor is the "foo" part of the declaration.
  */
 class PEvent : public LineInfo {
 
@@ -53,6 +53,9 @@ class PEvent : public LineInfo {
 
 /*
  * $Log: PEvent.h,v $
+ * Revision 1.7  2003/01/30 16:23:07  steve
+ *  Spelling fixes.
+ *
  * Revision 1.6  2002/08/12 01:34:58  steve
  *  conditional ident string using autoconfig.
  *
diff --git a/PExpr.h b/PExpr.h
index 7fa6d1aab..36f4cf279 100644
--- a/PExpr.h
+++ b/PExpr.h
@@ -19,7 +19,7 @@
  *    Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
  */
 #ifdef HAVE_CVS_IDENT
-#ident "$Id: PExpr.h,v 1.63 2002/11/09 19:20:48 steve Exp $"
+#ident "$Id: PExpr.h,v 1.64 2003/01/30 16:23:07 steve Exp $"
 #endif
 
 # include  <string>
@@ -51,7 +51,7 @@ class PExpr : public LineInfo {
 
       virtual void dump(ostream&) const;
 
-	// Procedural elaboration of the expression. Set thie
+	// Procedural elaboration of the expression. Set the
 	// bare_memory_ok flag if the result is allowed to be a
 	// NetEMemory without an index.
       virtual NetExpr*elaborate_expr(Design*des, NetScope*scope,
@@ -105,7 +105,7 @@ class PExpr : public LineInfo {
 	// Return true if this expression is a valid constant
 	// expression. the Module pointer is needed to find parameter
 	// identifiers and any other module specific interpretations
-	// of expresions.
+	// of expressions.
       virtual bool is_constant(Module*) const;
 
     private: // not implemented
@@ -504,6 +504,9 @@ class PECallFunction : public PExpr {
 
 /*
  * $Log: PExpr.h,v $
+ * Revision 1.64  2003/01/30 16:23:07  steve
+ *  Spelling fixes.
+ *
  * Revision 1.63  2002/11/09 19:20:48  steve
  *  Port expressions for output ports are lnets, not nets.
  *
diff --git a/PUdp.h b/PUdp.h
index af935f14b..6658ca5a1 100644
--- a/PUdp.h
+++ b/PUdp.h
@@ -19,7 +19,7 @@
  *    Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
  */
 #ifdef HAVE_CVS_IDENT
-#ident "$Id: PUdp.h,v 1.7 2002/08/12 01:34:58 steve Exp $"
+#ident "$Id: PUdp.h,v 1.8 2003/01/30 16:23:07 steve Exp $"
 #endif
 
 # include  <map>
@@ -53,7 +53,7 @@ svector<string>::svector<string>(unsigned size)
  * the current output.
  *
  * If the UDP is sequential, the "initial" member is taken to be the
- * intial value assigned in the source, or 'x' if none is given.
+ * initial value assigned in the source, or 'x' if none is given.
  */
 class PUdp {
 
@@ -84,6 +84,9 @@ class PUdp {
 
 /*
  * $Log: PUdp.h,v $
+ * Revision 1.8  2003/01/30 16:23:07  steve
+ *  Spelling fixes.
+ *
  * Revision 1.7  2002/08/12 01:34:58  steve
  *  conditional ident string using autoconfig.
  *
diff --git a/PWire.h b/PWire.h
index 27ff7a1c2..b486ab403 100644
--- a/PWire.h
+++ b/PWire.h
@@ -19,7 +19,7 @@
  *    Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
  */
 #ifdef HAVE_CVS_IDENT
-#ident "$Id: PWire.h,v 1.15 2003/01/26 21:15:58 steve Exp $"
+#ident "$Id: PWire.h,v 1.16 2003/01/30 16:23:07 steve Exp $"
 #endif
 
 # include  "netlist.h"
@@ -38,7 +38,7 @@ class Design;
 
 /*
  * Wires include nets, registers and ports. A net or register becomes
- * a port by declaration, so ports are not seperate. The module
+ * a port by declaration, so ports are not separate. The module
  * identifies a port by keeping it in its port list.
  *
  * The hname parameter to the constructor is a hierarchical name. It
@@ -100,6 +100,9 @@ class PWire : public LineInfo {
 
 /*
  * $Log: PWire.h,v $
+ * Revision 1.16  2003/01/30 16:23:07  steve
+ *  Spelling fixes.
+ *
  * Revision 1.15  2003/01/26 21:15:58  steve
  *  Rework expression parsing and elaboration to
  *  accommodate real/realtime values and expressions.
diff --git a/QUICK_START.txt b/QUICK_START.txt
index d2f537978..0ce10a865 100644
--- a/QUICK_START.txt
+++ b/QUICK_START.txt
@@ -79,5 +79,5 @@ Verilog packages from the main Debian software site.
 
 * Install From Source
 
-In this case, see the readme and other documentation that comes with
+In this case, see README.txt and other documentation that comes with
 the source.
diff --git a/README.txt b/README.txt
index ad10d1bbc..38197c5c7 100644
--- a/README.txt
+++ b/README.txt
@@ -13,7 +13,7 @@ home page at <http://www.icarus.com/eda/verilog>.
 Icarus Verilog is not aimed at being a simulator in the traditional
 sense, but a compiler that generates code employed by back-end
 tools. These back-end tools currently include a simulator engine
-called VVP, an XNF (Xilinx Netlist Format) generator and an EDIF fpga
+called VVP, an XNF (Xilinx Netlist Format) generator and an EDIF FPGA
 netlist generator. In the future, backends are expected for EDIF/LPM,
 structural Verilog, VHDL, etc.
 
@@ -363,7 +363,7 @@ language that are defined.
 	can theoretically be evaluated at compile time, instead of
 	using runtime VPI code. Doing so means that VPI cannot
 	override the definitions of functions handled in this
-	manner. On the other hand, this makes them synthesizeable, and
+	manner. On the other hand, this makes them synthesizable, and
 	also allows for more aggressive constant propagation. The
 	functions handled in this manner are:
 
diff --git a/Statement.h b/Statement.h
index 2d99cfaf8..200c22c36 100644
--- a/Statement.h
+++ b/Statement.h
@@ -19,7 +19,7 @@
  *    Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
  */
 #ifdef HAVE_CVS_IDENT
-#ident "$Id: Statement.h,v 1.36 2002/08/12 01:34:58 steve Exp $"
+#ident "$Id: Statement.h,v 1.37 2003/01/30 16:23:07 steve Exp $"
 #endif
 
 # include  <string>
@@ -287,7 +287,7 @@ class PDelayStatement  : public Statement {
 
 
 /*
- * This represends the parsing of a disable <scope> statement.
+ * This represents the parsing of a disable <scope> statement.
  */
 class PDisable  : public Statement {
 
@@ -453,6 +453,9 @@ class PWhile  : public Statement {
 
 /*
  * $Log: Statement.h,v $
+ * Revision 1.37  2003/01/30 16:23:07  steve
+ *  Spelling fixes.
+ *
  * Revision 1.36  2002/08/12 01:34:58  steve
  *  conditional ident string using autoconfig.
  *
diff --git a/attributes.txt b/attributes.txt
index 9b2d1014d..750b9c945 100644
--- a/attributes.txt
+++ b/attributes.txt
@@ -28,14 +28,14 @@ warning.)
 (* ivl_synthesis_on *)
 
     This attribute tells the compiler that the marked always statement
-    is synthesizeable. The compiler will attempt to synthesize the
+    is synthesizable. The compiler will attempt to synthesize the
     code in the marked "always" statement. If it cannot in any way
     synthesize it, then it will report an error.
 
 (* ivl_synthesis_off *)
 
     If this value is attached to an "always" statement, then the
-    compiler will *not* synthesize the "always" statment. This can be
+    compiler will *not* synthesize the "always" statement. This can be
     used, for example, to mark embedded test bench code.
 
 
diff --git a/compiler.h b/compiler.h
index 78666a8a8..47f6cc6a8 100644
--- a/compiler.h
+++ b/compiler.h
@@ -19,7 +19,7 @@
  *    Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
  */
 #ifdef HAVE_CVS_IDENT
-#ident "$Id: compiler.h,v 1.13 2002/08/12 01:34:58 steve Exp $"
+#ident "$Id: compiler.h,v 1.14 2003/01/30 16:23:07 steve Exp $"
 #endif
 
 # include  <list>
@@ -69,13 +69,13 @@
 extern bool warn_implicit;
 extern bool error_implicit;
 
-/* inherit timescales accross files. */
+/* inherit timescales across files. */
 extern bool warn_timescale;
 
 /* This is true if verbose output is requested. */
 extern bool verbose_flag;
 
-/* This is an ordered list of library suffixxes to search. */
+/* This is an ordered list of library suffixes to search. */
 extern list<const char*>library_suff;
 extern int build_library_index(const char*path, bool key_case_sensitive);
 
@@ -95,6 +95,9 @@ extern char*ivlpp_string;
 
 /*
  * $Log: compiler.h,v $
+ * Revision 1.14  2003/01/30 16:23:07  steve
+ *  Spelling fixes.
+ *
  * Revision 1.13  2002/08/12 01:34:58  steve
  *  conditional ident string using autoconfig.
  *
diff --git a/cprop.cc b/cprop.cc
index cf9d7d179..d1b430c3c 100644
--- a/cprop.cc
+++ b/cprop.cc
@@ -17,7 +17,7 @@
  *    Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
  */
 #ifdef HAVE_CVS_IDENT
-#ident "$Id: cprop.cc,v 1.40 2003/01/27 05:09:17 steve Exp $"
+#ident "$Id: cprop.cc,v 1.41 2003/01/30 16:23:07 steve Exp $"
 #endif
 
 # include "config.h"
@@ -806,7 +806,7 @@ void cprop_functor::lpm_logic(Design*des, NetLogic*obj)
 }
 
 /*
- * This detects the case where the mux selects between a value an
+ * This detects the case where the mux selects between a value and
  * Vz. In this case, replace the device with a bufif with the sel
  * input used to enable the output.
  */
@@ -980,7 +980,7 @@ void cprop_dc_functor::lpm_const(Design*des, NetConst*obj)
 
 void cprop(Design*des)
 {
-	// Continually propogate constants until a scan finds nothing
+	// Continually propagate constants until a scan finds nothing
 	// to do.
       cprop_functor prop;
       do {
@@ -994,6 +994,9 @@ void cprop(Design*des)
 
 /*
  * $Log: cprop.cc,v $
+ * Revision 1.41  2003/01/30 16:23:07  steve
+ *  Spelling fixes.
+ *
  * Revision 1.40  2003/01/27 05:09:17  steve
  *  Spelling fixes.
  *
diff --git a/cygwin.txt b/cygwin.txt
index 790e5f61a..42fa97ce6 100644
--- a/cygwin.txt
+++ b/cygwin.txt
@@ -1,6 +1,12 @@
 
 This file describes the build procedure under cygwin32 (Windows 95/98/NT/2K)
 ----------------------------------------------------------------------------
+
+Note: Icarus Verilog also compiles to native Windows binaries if you
+use the instructions in the mingw.txt file. Some people prefer cygwin
+binaries, and these instructions apply.
+
+
 To build using cygwin:
 
 Prerequisites:
@@ -8,7 +14,7 @@ Prerequisites:
  o Latest net release (1.1.4) of cygwin (sources.redhat.com/cygwin)
 
 Procedure:
- o Get the source code - see the main icarus verilog page for how to 
+ o Get the source code - see the main Icarus Verilog page for how to 
    do this
  o cd to the verilog directory
  o autoconf.sh
diff --git a/elab_sig.cc b/elab_sig.cc
index 0fb93ebc6..16cbe64d1 100644
--- a/elab_sig.cc
+++ b/elab_sig.cc
@@ -17,7 +17,7 @@
  *    Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
  */
 #ifdef HAVE_CVS_IDENT
-#ident "$Id: elab_sig.cc,v 1.26 2003/01/27 05:09:17 steve Exp $"
+#ident "$Id: elab_sig.cc,v 1.27 2003/01/30 16:23:07 steve Exp $"
 #endif
 
 # include "config.h"
@@ -525,6 +525,9 @@ void PWire::elaborate_sig(Design*des, NetScope*scope) const
 
 /*
  * $Log: elab_sig.cc,v $
+ * Revision 1.27  2003/01/30 16:23:07  steve
+ *  Spelling fixes.
+ *
  * Revision 1.26  2003/01/27 05:09:17  steve
  *  Spelling fixes.
  *
@@ -619,7 +622,7 @@ void PWire::elaborate_sig(Design*des, NetScope*scope) const
  *  for regs that are not really values.
  *
  * Revision 1.1  2000/05/02 16:27:38  steve
- *  Move signal elaboration to a seperate pass.
+ *  Move signal elaboration to a separate pass.
  *
  */
 
diff --git a/elaborate.cc b/elaborate.cc
index 5f4403c6a..a82fe61f9 100644
--- a/elaborate.cc
+++ b/elaborate.cc
@@ -17,7 +17,7 @@
  *    Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
  */
 #ifdef HAVE_CVS_IDENT
-#ident "$Id: elaborate.cc,v 1.270 2003/01/27 05:09:17 steve Exp $"
+#ident "$Id: elaborate.cc,v 1.271 2003/01/30 16:23:07 steve Exp $"
 #endif
 
 # include "config.h"
@@ -285,7 +285,7 @@ void PGBuiltin::elaborate(Design*des, NetScope*scope) const
       }
 
 
-	/* Allocate all the getlist nodes for the gates. */
+	/* Allocate all the netlist nodes for the gates. */
       NetLogic**cur = new NetLogic*[count];
       assert(cur);
 
@@ -1780,7 +1780,7 @@ NetProc* PEventStatement::elaborate_st(Design*des, NetScope*scope,
 	         <statement>
 	       end
 
-	   This is equivalent, and uses the existing capapilities of
+	   This is equivalent, and uses the existing capabilities of
 	   the netlist format. The resulting netlist should look like
 	   this:
 
@@ -2467,7 +2467,7 @@ Design* elaborate(list<const char*>roots)
       des->run_defparams();
 
 
-	// At this point, all parameter overrides are done. Scane the
+	// At this point, all parameter overrides are done. Scan the
 	// scopes and evaluate the parameters all the way down to
 	// constants.
       des->evaluate_parameters();
@@ -2507,6 +2507,9 @@ Design* elaborate(list<const char*>roots)
 
 /*
  * $Log: elaborate.cc,v $
+ * Revision 1.271  2003/01/30 16:23:07  steve
+ *  Spelling fixes.
+ *
  * Revision 1.270  2003/01/27 05:09:17  steve
  *  Spelling fixes.
  *
diff --git a/eval_tree.cc b/eval_tree.cc
index f23a0a814..0a6312fb7 100644
--- a/eval_tree.cc
+++ b/eval_tree.cc
@@ -17,7 +17,7 @@
  *    Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
  */
 #ifdef HAVE_CVS_IDENT
-#ident "$Id: eval_tree.cc,v 1.45 2003/01/27 05:09:17 steve Exp $"
+#ident "$Id: eval_tree.cc,v 1.46 2003/01/30 16:23:07 steve Exp $"
 #endif
 
 # include "config.h"
@@ -523,7 +523,7 @@ NetEConst* NetEBComp::eval_tree()
 	  case 'L': // <=
 	    return eval_leeq_();
 
-	  case 'N': // Cse inequality (!==)
+	  case 'N': // Case inequality (!==)
 	    return eval_neeqeq_();
 
 	  case 'n': // not-equal (!=)
@@ -1187,6 +1187,9 @@ NetEConst* NetEUReduce::eval_tree()
 
 /*
  * $Log: eval_tree.cc,v $
+ * Revision 1.46  2003/01/30 16:23:07  steve
+ *  Spelling fixes.
+ *
  * Revision 1.45  2003/01/27 05:09:17  steve
  *  Spelling fixes.
  *
diff --git a/expr_synth.cc b/expr_synth.cc
index bcf9c5939..336f044be 100644
--- a/expr_synth.cc
+++ b/expr_synth.cc
@@ -17,7 +17,7 @@
  *    Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
  */
 #ifdef HAVE_CVS_IDENT
-#ident "$Id: expr_synth.cc,v 1.38 2003/01/26 21:15:58 steve Exp $"
+#ident "$Id: expr_synth.cc,v 1.39 2003/01/30 16:23:07 steve Exp $"
 #endif
 
 # include "config.h"
@@ -455,7 +455,7 @@ NetNet* NetEConst::synthesize(Design*des)
 NetNet* NetECReal::synthesize(Design*des)
 {
       cerr << get_line() << ": error: Real constants are "
-	   << "not synthesizeable." << endl;
+	   << "not synthesizable." << endl;
       des->errors += 1;
       return 0;
 }
@@ -643,6 +643,9 @@ NetNet* NetESignal::synthesize(Design*des)
 
 /*
  * $Log: expr_synth.cc,v $
+ * Revision 1.39  2003/01/30 16:23:07  steve
+ *  Spelling fixes.
+ *
  * Revision 1.38  2003/01/26 21:15:58  steve
  *  Rework expression parsing and elaboration to
  *  accommodate real/realtime values and expressions.
diff --git a/ivl_target.h b/ivl_target.h
index 2a5899cd8..358b61566 100644
--- a/ivl_target.h
+++ b/ivl_target.h
@@ -19,7 +19,7 @@
  *    Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
  */
 #ifdef HAVE_CVS_IDENT
-#ident "$Id: ivl_target.h,v 1.110 2003/01/26 21:15:58 steve Exp $"
+#ident "$Id: ivl_target.h,v 1.111 2003/01/30 16:23:07 steve Exp $"
 #endif
 
 #ifdef __cplusplus
@@ -438,7 +438,7 @@ extern ivl_nexus_t ivl_event_pos(ivl_event_t net, unsigned idx);
  *
  * ivl_expr_opcode
  *    IVL_EX_BINARY and IVL_EX_UNARY expression nodes include an
- *    upcode from this table:
+ *    opcode from this table:
  *              &   -- AND
  *              A   -- NAND (~&)
  *              X   -- XNOR (~^)
@@ -968,7 +968,7 @@ extern int          ivl_scope_time_units(ivl_scope_t net);
  *    This function returns the fully scoped hierarchical name for the
  *    signal. The name refers to the entire vector that is the signal.
  *
- *    NOTE: This function is deprecated. The heirarchical name is too
+ *    NOTE: This function is deprecated. The hierarchical name is too
  *    vague a construct when escaped names can have . characters in
  *    them. Do no use this function in new code, it will disappear.
  *
@@ -1143,6 +1143,9 @@ _END_DECL
 
 /*
  * $Log: ivl_target.h,v $
+ * Revision 1.111  2003/01/30 16:23:07  steve
+ *  Spelling fixes.
+ *
  * Revision 1.110  2003/01/26 21:15:58  steve
  *  Rework expression parsing and elaboration to
  *  accommodate real/realtime values and expressions.
diff --git a/lpm.txt b/lpm.txt
index a3d5665b3..f475d2402 100644
--- a/lpm.txt
+++ b/lpm.txt
@@ -1,7 +1,7 @@
 
 WHAT IS LPM
 
-LPM (Library of Paramaterized Modules) is EIS-IS standard 103-A. It is
+LPM (Library of Parameterized Modules) is EIS-IS standard 103-A. It is
 a standard library of abstract devices that are designed to be close
 enough to the target hardware to be easily translated, yet abstract
 enough to support a variety of target technologies without excessive
diff --git a/mingw.txt b/mingw.txt
index 78973ff69..6e329460a 100644
--- a/mingw.txt
+++ b/mingw.txt
@@ -6,7 +6,7 @@ MINGW PORT OF ICARUS VERILOG
 
 
 Icarus Verilog source can be compiled with the mingw C/C++ compilers
-to get a Windows binary that does not require the posix compatibility
+to get a Windows binary that does not require the POSIX compatibility
 cruft of the Cygwin.dll library. The configure scripts automatically
 detect that the compilers in use are the mingw compilers and will
 configure the Makefiles appropriately.
diff --git a/netlist.h b/netlist.h
index 10499e0e6..68423bdad 100644
--- a/netlist.h
+++ b/netlist.h
@@ -19,7 +19,7 @@
  *    Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
  */
 #ifdef HAVE_CVS_IDENT
-#ident "$Id: netlist.h,v 1.273 2003/01/27 00:14:37 steve Exp $"
+#ident "$Id: netlist.h,v 1.274 2003/01/30 16:23:08 steve Exp $"
 #endif
 
 /*
@@ -908,13 +908,13 @@ class NetUserFunc  : public NetNode {
 
 /* =========
  * There are cases where expressions need to be represented. The
- * NetExpr class is the root of a heirarchy that serves that purpose.
+ * NetExpr class is the root of a hierarchy that serves that purpose.
  *
  * The expr_width() is the width of the expression, that accounts
  * for the widths of the sub-expressions I might have. It is up to the
  * derived classes to properly set the expr width, if need be. The
  * set_width() method is used to compel an expression to have a
- * certain width, and is used particulary when the expression is an
+ * certain width, and is used particularly when the expression is an
  * rvalue in an assignment statement.
  */
 class NetExpr  : public LineInfo {
@@ -939,7 +939,7 @@ class NetExpr  : public LineInfo {
       unsigned expr_width() const { return width_; }
 
 	// Coerce the expression to have a specific width. If the
-	// coersion works, then return true. Otherwise, return false.
+	// coercion works, then return true. Otherwise, return false.
       virtual bool set_width(unsigned);
 
 	// This method returns true if the expression is
@@ -959,7 +959,7 @@ class NetExpr  : public LineInfo {
 
 
 	// This method evaluates the expression and returns an
-	// equivilent expression that is reduced as far as compile
+	// equivalent expression that is reduced as far as compile
 	// time knows how. Essentially, this is designed to fold
 	// constants.
       virtual NetExpr*eval_tree();
@@ -1075,7 +1075,7 @@ class NetBUFZ  : public NetNode {
 
 /*
  * This node is used to represent case equality in combinational
- * logic. Although this is not normally synthesizeable, it makes sense
+ * logic. Although this is not normally synthesizable, it makes sense
  * to support an abstract gate that can compare x and z.
  *
  * This pins are assigned as:
@@ -1671,7 +1671,7 @@ class NetDisable  : public NetProc {
  * event or trigger the event. Event waits refer to this object, as do
  * the event trigger statements. The NetEvent class may have a name and
  * a scope. The name is a simple name (no hierarchy) and the scope is
- * the NetScope that contains the object. The socpe member is written
+ * the NetScope that contains the object. The scope member is written
  * by the NetScope object when the NetEvent is stored.
  *
  * The NetEvWait class represents a thread wait for an event. When
@@ -1685,7 +1685,7 @@ class NetDisable  : public NetProc {
  * turn awakens the waiting threads. Each NetEvTrig object references
  * exactly one event object.
  *
- * The NetEvProbe class is the structural equivilent of the NetEvTrig,
+ * The NetEvProbe class is the structural equivalent of the NetEvTrig,
  * in that it is a node and watches bit values that it receives. It
  * checks for edges then if appropriate triggers the associated
  * NetEvent. Each NetEvProbe references exactly one event object, and
@@ -2054,8 +2054,8 @@ class NetSTask  : public NetProc {
  * The task also introduces a scope, and the parameters are actually
  * reg objects in the new scope. The task is called by the calling
  * thread assigning (blocking assignment) to the in and inout
- * paramters, then invoking the thread, and finally assigning out the
- * output and inout variables. The variables accessable as ports are
+ * parameters, then invoking the thread, and finally assigning out the
+ * output and inout variables. The variables accessible as ports are
  * also elaborated and accessible as ordinary reg objects.
  */
 class NetTaskDef {
@@ -2119,7 +2119,7 @@ class NetVariable : public LineInfo {
  *
  * The NetNet parameter to the constructor is the *register* NetNet
  * that receives the result of the function, and the NetExpr list is
- * the paraneters passed to the function.
+ * the parameters passed to the function.
  */
 class NetEUFunc  : public NetExpr {
 
@@ -2541,9 +2541,9 @@ class NetEVariable  : public NetExpr {
 };
 
 /*
- * This clas is a placeholder for a parameter expression. When
+ * This class is a placeholder for a parameter expression. When
  * parameters are first created, an instance of this object is used to
- * hold the place where the parameter exression goes. Then, when the
+ * hold the place where the parameter expression goes. Then, when the
  * parameters are resolved, these objects are removed.
  *
  * If the parameter object is created with a path and name, then the
@@ -2790,7 +2790,7 @@ class NetEMemory  : public NetExpr {
  * A signal shows up as a node in the netlist so that structural
  * activity can invoke the expression. This node also supports part
  * select by indexing a range of the NetNet that is associated with
- * it. The msi() is the mose significant index, and lsi() the least
+ * it. The msi() is the more significant index, and lsi() the least
  * significant index.
  */
 class NetESignal  : public NetExpr {
@@ -2873,7 +2873,7 @@ class NetScope {
 
 	/* Parameters exist within a scope, and these methods allow
 	   one to manipulate the set. In these cases, the name is the
-	   *simple* name of the paramter, the heirarchy is implicit in
+	   *simple* name of the parameter, the hierarchy is implicit in
 	   the scope. The return value from set_parameter is the
 	   previous expression, if there was one. */
 
@@ -3191,6 +3191,9 @@ extern ostream& operator << (ostream&, NetNet::Type);
 
 /*
  * $Log: netlist.h,v $
+ * Revision 1.274  2003/01/30 16:23:08  steve
+ *  Spelling fixes.
+ *
  * Revision 1.273  2003/01/27 00:14:37  steve
  *  Support in various contexts the $realtime
  *  system task.
diff --git a/netmisc.h b/netmisc.h
index d5496aace..678c400a2 100644
--- a/netmisc.h
+++ b/netmisc.h
@@ -19,13 +19,13 @@
  *    Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
  */
 #ifdef HAVE_CVS_IDENT
-#ident "$Id: netmisc.h,v 1.16 2002/08/31 03:48:50 steve Exp $"
+#ident "$Id: netmisc.h,v 1.17 2003/01/30 16:23:08 steve Exp $"
 #endif
 
 # include  "netlist.h"
 
 /*
- * This funciton transforms an expression by padding the high bits
+ * This function transforms an expression by padding the high bits
  * with V0 until the expression has the desired width. This may mean
  * not transforming the expression at all, if it is already wide
  * enough.
@@ -57,6 +57,9 @@ extern NetExpr* elab_and_eval(Design*des, NetScope*scope, const PExpr*pe);
 
 /*
  * $Log: netmisc.h,v $
+ * Revision 1.17  2003/01/30 16:23:08  steve
+ *  Spelling fixes.
+ *
  * Revision 1.16  2002/08/31 03:48:50  steve
  *  Fix reverse bit ordered bit select in continuous assignment.
  *
diff --git a/pform.h b/pform.h
index 43bfca016..93c879a01 100644
--- a/pform.h
+++ b/pform.h
@@ -19,7 +19,7 @@
  *    Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
  */
 #ifdef HAVE_CVS_IDENT
-#ident "$Id: pform.h,v 1.65 2003/01/26 21:15:59 steve Exp $"
+#ident "$Id: pform.h,v 1.66 2003/01/30 16:23:08 steve Exp $"
 #endif
 
 # include  "netlist.h"
@@ -61,7 +61,7 @@ struct vlltype;
 
 /*
  * The min:typ:max expression s selected at parse time using the
- * enumeration. When the compiler makes a choise, it also prints a
+ * enumeration. When the compiler makes a choice, it also prints a
  * warning if min_typ_max_warn > 0.
  */
 extern enum MIN_TYP_MAX { MIN, TYP, MAX } min_typ_max_flag;
@@ -264,6 +264,9 @@ extern void pform_dump(ostream&out, Module*mod);
 
 /*
  * $Log: pform.h,v $
+ * Revision 1.66  2003/01/30 16:23:08  steve
+ *  Spelling fixes.
+ *
  * Revision 1.65  2003/01/26 21:15:59  steve
  *  Rework expression parsing and elaboration to
  *  accommodate real/realtime values and expressions.
diff --git a/t-dll-expr.cc b/t-dll-expr.cc
index b089e5402..53727a1b0 100644
--- a/t-dll-expr.cc
+++ b/t-dll-expr.cc
@@ -17,7 +17,7 @@
  *    Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
  */
 #ifdef HAVE_CVS_IDENT
-#ident "$Id: t-dll-expr.cc,v 1.31 2003/01/27 00:14:37 steve Exp $"
+#ident "$Id: t-dll-expr.cc,v 1.32 2003/01/30 16:23:08 steve Exp $"
 #endif
 
 # include "config.h"
@@ -34,7 +34,7 @@
 
 /*
  * This is a little convenience function for converting a NetExpr
- * expresion type to the expression type used by ivl_expr_t objects.
+ * expression type to the expression type used by ivl_expr_t objects.
  */
 static ivl_variable_type_t get_expr_type(const NetExpr*net)
 {
@@ -561,6 +561,9 @@ void dll_target::expr_variable(const NetEVariable*net)
 
 /*
  * $Log: t-dll-expr.cc,v $
+ * Revision 1.32  2003/01/30 16:23:08  steve
+ *  Spelling fixes.
+ *
  * Revision 1.31  2003/01/27 00:14:37  steve
  *  Support in various contexts the $realtime
  *  system task.
diff --git a/t-dll-proc.cc b/t-dll-proc.cc
index 481855fba..e0692380c 100644
--- a/t-dll-proc.cc
+++ b/t-dll-proc.cc
@@ -18,7 +18,7 @@
  *    Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
  */
 #ifdef HAVE_CVS_IDENT
-#ident "$Id: t-dll-proc.cc,v 1.55 2003/01/26 21:15:59 steve Exp $"
+#ident "$Id: t-dll-proc.cc,v 1.56 2003/01/30 16:23:08 steve Exp $"
 #endif
 
 # include "config.h"
@@ -597,7 +597,7 @@ bool dll_target::proc_release(const NetRelease*net)
       stmt_cur_->type_ = IVL_ST_RELEASE;
 
 	/* If there is no signal attached to the release, then it is
-	   the victom of an elided net. In that case, simply state
+	   the victim of an elided net. In that case, simply state
 	   that there are no lvals, and that's all. */
       const NetNet*lsig = net->lval();
       if (lsig == 0) {
@@ -827,6 +827,9 @@ void dll_target::proc_while(const NetWhile*net)
 
 /*
  * $Log: t-dll-proc.cc,v $
+ * Revision 1.56  2003/01/30 16:23:08  steve
+ *  Spelling fixes.
+ *
  * Revision 1.55  2003/01/26 21:15:59  steve
  *  Rework expression parsing and elaboration to
  *  accommodate real/realtime values and expressions.
diff --git a/t-dll.cc b/t-dll.cc
index e675c3795..958289386 100644
--- a/t-dll.cc
+++ b/t-dll.cc
@@ -17,7 +17,7 @@
  *    Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
  */
 #ifdef HAVE_CVS_IDENT
-#ident "$Id: t-dll.cc,v 1.103 2003/01/26 21:15:59 steve Exp $"
+#ident "$Id: t-dll.cc,v 1.104 2003/01/30 16:23:08 steve Exp $"
 #endif
 
 # include "config.h"
@@ -1898,7 +1898,7 @@ void dll_target::signal(const NetNet*net)
       }
 #endif
 
-	/* Save the privitive properties of the signal in the
+	/* Save the primitive properties of the signal in the
 	   ivl_signal_t object. */
 
       obj->width_ = net->pin_count();
@@ -2033,6 +2033,9 @@ extern const struct target tgt_dll = { "dll", &dll_target_obj };
 
 /*
  * $Log: t-dll.cc,v $
+ * Revision 1.104  2003/01/30 16:23:08  steve
+ *  Spelling fixes.
+ *
  * Revision 1.103  2003/01/26 21:15:59  steve
  *  Rework expression parsing and elaboration to
  *  accommodate real/realtime values and expressions.
diff --git a/t-dll.txt b/t-dll.txt
index d810fd43d..a9394a191 100644
--- a/t-dll.txt
+++ b/t-dll.txt
@@ -50,7 +50,7 @@ documentation in the ivl_target.h header file.
 * IVL_EX_NUMBER
 
   This is a constant number. The width is fully known, and the bit
-  values are all represented by the ascii characters 0, 1, x or z. The
+  values are all represented by the ASCII characters 0, 1, x or z. The
   ivl_expr_bits method returns a pointer to the least significant bit,
   and the remaining bits are ordered from least significant to most
   significant. For example, 5'b1zzx0 is the 5 character string "0xzz1".
diff --git a/t-xnf.cc b/t-xnf.cc
index fb3464c10..67bdee735 100644
--- a/t-xnf.cc
+++ b/t-xnf.cc
@@ -17,7 +17,7 @@
  *    Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
  */
 #ifdef HAVE_CVS_IDENT
-#ident "$Id: t-xnf.cc,v 1.46 2003/01/14 21:16:18 steve Exp $"
+#ident "$Id: t-xnf.cc,v 1.47 2003/01/30 16:23:08 steve Exp $"
 #endif
 
 # include "config.h"
@@ -29,7 +29,7 @@
  * use by Xilinx tools, and other tools that accepts Xilinx designs.
  *
  * The code generator automatically detects ports to top level modules
- * and generates SIG records that make the XNF useable as a schematic.
+ * and generates SIG records that make the XNF usable as a schematic.
  *
  * FLAGS
  * The XNF backend uses the following flags from the command line to
@@ -61,7 +61,7 @@
  *      Specify the LCA library part type for the gate. The lname
  *      is the name of the symbol to use (i.e. DFF) and the comma
  *      separated list is the names of the pins, in the order they
- *      appear in the verilog source. If the name is prefixed with a
+ *      appear in the Verilog source. If the name is prefixed with a
  *      tilde (~) then the pin is inverted, and the proper "INV" token
  *      will be added to the PIN record.
  *
@@ -927,6 +927,9 @@ extern const struct target tgt_xnf = { "xnf", &target_xnf_obj };
 
 /*
  * $Log: t-xnf.cc,v $
+ * Revision 1.47  2003/01/30 16:23:08  steve
+ *  Spelling fixes.
+ *
  * Revision 1.46  2003/01/14 21:16:18  steve
  *  Move strstream to ostringstream for compatibility.
  *
diff --git a/target.cc b/target.cc
index 1d9149639..7704e34fb 100644
--- a/target.cc
+++ b/target.cc
@@ -17,7 +17,7 @@
  *    Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
  */
 #ifdef HAVE_CVS_IDENT
-#ident "$Id: target.cc,v 1.64 2003/01/26 21:15:59 steve Exp $"
+#ident "$Id: target.cc,v 1.65 2003/01/30 16:23:08 steve Exp $"
 #endif
 
 # include "config.h"
@@ -146,7 +146,7 @@ bool target_t::net_cassign(const NetCAssign*dev)
 {
 	cerr << "target (" << typeid(*this).name() <<  "): ";
 	cerr << dev->get_line();
-	cerr << ": Target does not support procedural continous assignment." << endl;
+	cerr << ": Target does not support procedural continuous assignment." << endl;
       return false;
 }
 
@@ -213,7 +213,7 @@ bool target_t::proc_cassign(const NetCAssign*dev)
 {
 	cerr << "target (" << typeid(*this).name() <<  "): ";
 	cerr << dev->get_line();
-	cerr << ": Target does not support procedural continous assignment." << endl;
+	cerr << ": Target does not support procedural continuous assignment." << endl;
       return false;
 }
 
@@ -403,6 +403,9 @@ void expr_scan_t::expr_binary(const NetEBinary*ex)
 
 /*
  * $Log: target.cc,v $
+ * Revision 1.65  2003/01/30 16:23:08  steve
+ *  Spelling fixes.
+ *
  * Revision 1.64  2003/01/26 21:15:59  steve
  *  Rework expression parsing and elaboration to
  *  accommodate real/realtime values and expressions.
diff --git a/verinum.cc b/verinum.cc
index c5cdb20b7..a2e45a152 100644
--- a/verinum.cc
+++ b/verinum.cc
@@ -17,7 +17,7 @@
  *    Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
  */
 #ifdef HAVE_CVS_IDENT
-#ident "$Id: verinum.cc,v 1.35 2002/08/19 02:39:17 steve Exp $"
+#ident "$Id: verinum.cc,v 1.36 2003/01/30 16:23:08 steve Exp $"
 #endif
 
 # include "config.h"
@@ -201,7 +201,7 @@ unsigned long verinum::as_ulong() const
  *
  * This function presumes that the native format is 2s compliment
  * (pretty safe these days) and masks/sets bits accordingly. If the
- * value is too large for the lative form, it truncates the high bits.
+ * value is too large for the native form, it truncates the high bits.
  */
 signed long verinum::as_long() const
 {
@@ -626,7 +626,7 @@ verinum operator - (const verinum&left, const verinum&r)
  * result. The resulting number is as large as the sum of the sizes of
  * the operand.
  *
- * The algorithm used is sucessive shift and add operations,
+ * The algorithm used is successive shift and add operations,
  * implemented as the nested loops.
  *
  * If either value is not completely defined, then the result is not
@@ -815,6 +815,9 @@ verinum::V operator & (verinum::V l, verinum::V r)
 
 /*
  * $Log: verinum.cc,v $
+ * Revision 1.36  2003/01/30 16:23:08  steve
+ *  Spelling fixes.
+ *
  * Revision 1.35  2002/08/19 02:39:17  steve
  *  Support parameters with defined ranges.
  *
diff --git a/verinum.h b/verinum.h
index 9ed723963..88f020a53 100644
--- a/verinum.h
+++ b/verinum.h
@@ -19,7 +19,7 @@
  *    Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
  */
 #ifdef HAVE_CVS_IDENT
-#ident "$Id: verinum.h,v 1.21 2003/01/30 04:23:25 steve Exp $"
+#ident "$Id: verinum.h,v 1.22 2003/01/30 16:23:08 steve Exp $"
 #endif
 
 # include  <string>
@@ -32,7 +32,7 @@ class ostream;
 #endif
 
 /*
- * Numbers in verlog are multibit strings, where each bit has 4
+ * Numbers in Verilog are multibit strings, where each bit has 4
  * possible values: 0, 1, x or z. The verinum number is store in
  * little-endian format. This means that if the long value is 2b'10,
  * get(0) is 0 and get(1) is 1.
@@ -73,7 +73,7 @@ class verinum {
       bool is_defined() const;
 
 	// A number is "a string" if its value came directly from
-	// an ascii description instead of a number value.
+	// an ASCII description instead of a number value.
       bool is_string() const { return string_flag_; }
 
 	// Comparison for use in sorting algorithms.
@@ -131,6 +131,9 @@ extern verinum v_not(const verinum&left);
 
 /*
  * $Log: verinum.h,v $
+ * Revision 1.22  2003/01/30 16:23:08  steve
+ *  Spelling fixes.
+ *
  * Revision 1.21  2003/01/30 04:23:25  steve
  *  include config.h to get iosfwd flags.
  *
diff --git a/xilinx-hint.txt b/xilinx-hint.txt
index 5d2abb906..205a4657d 100644
--- a/xilinx-hint.txt
+++ b/xilinx-hint.txt
@@ -77,7 +77,7 @@ xnf2pcf <$2.xnf >! $2.pcf
 
    There is now a "Xilinx on Linux HOWTO" at
          http://www.polybus.com/xilinx_on_linux.html
-   I havn't tried this yet, it looks interesting.
+   I haven't tried this yet, it looks interesting.
 
 Downloading:
 
diff --git a/xnf.txt b/xnf.txt
index e83ff0274..03bd6595e 100644
--- a/xnf.txt
+++ b/xnf.txt
@@ -86,7 +86,7 @@ an I/OBUF by attaching an attribute to the device, like so:
 	buf b1 (sig, foo);
 	$attribute(b1, "XNF-LCA", "OBUF:O,I");
 
-This latter feature is not entirely recomended as it expects that the
+This latter feature is not entirely recommended as it expects that the
 programmer really knows how the pins of the XNF device are to be
 connected. It also bypasses the efforts of the compiler, so is not
 checked for correctness.
@@ -94,7 +94,7 @@ checked for correctness.
 XNF STORAGE ELEMENTS
 
 Storage elements in XNF include flip-flops, latches and CLB
-rams. These devices are generated from the LPM equivilents that the
+rams. These devices are generated from the LPM equivalents that the
 -Fsynth functor synthesizes from behavioral descriptions.
 
 Flip-flops, or more specifically DFF devices, are generated to
@@ -104,14 +104,14 @@ implement behavioral code like this:
 	always @(posedge clk) Q <= <expr>;
 
 The edge can be positive or negative, and the expression can be any
-synthesizeable expression. Furthermore, the register "Q" can have
+synthesizable expression. Furthermore, the register "Q" can have
 width, which will cause the appropriate number of flip-flops to be
 created. A clock enable expression can also be added like so:
 
 	reg Q;
 	always @(posedge clk) if (<ce>) Q <= <expr>;
 
-The <ce> expression can be any synthesizeable expression.
+The <ce> expression can be any synthesizable expression.
 
 With or without the CE, the generated DFF devices are written into the
 XNF output one bit at a time, with the clock input inverted if necessary.
@@ -130,7 +130,7 @@ device can be modeled with ordinary structural code, i.e.:
 
 	assign foo <= M[<addr>];
 
-For the memory to be synthesizeable in the XNF target, the address
+For the memory to be synthesizable in the XNF target, the address
 lines for writes and reads must be connected. This corresponds to the
 limitations of the real hardware.
 
@@ -245,6 +245,9 @@ IBUF, NOT gates cannot be absorbed as in the OPAD case.
 
 
  $Log: xnf.txt,v $
+ Revision 1.15  2003/01/30 16:23:08  steve
+  Spelling fixes.
+
  Revision 1.14  2000/08/01 21:32:40  steve
   Use the iverilog command in documentation.
 
diff --git a/xnfio.cc b/xnfio.cc
index 0ebf0e883..3cc93e7ea 100644
--- a/xnfio.cc
+++ b/xnfio.cc
@@ -17,7 +17,7 @@
  *    Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
  */
 #ifdef HAVE_CVS_IDENT
-#ident "$Id: xnfio.cc,v 1.24 2003/01/14 21:16:18 steve Exp $"
+#ident "$Id: xnfio.cc,v 1.25 2003/01/30 16:23:08 steve Exp $"
 #endif
 
 # include "config.h"
@@ -227,7 +227,7 @@ static void make_ibuf(Design*des, NetNet*net)
 	    if (tmp->attribute("XNF-LCA") != verinum())
 		  continue;
 
-	      // Found a BUF, it is only useable if the only input is
+	      // Found a BUF, it is only usable if the only input is
 	      // the signal and there are no other inputs.
 	    if ((tmp->type() == NetLogic::BUF) &&
 		(count_inputs(tmp->pin(1)) == 1) &&
@@ -362,6 +362,9 @@ void xnfio(Design*des)
 
 /*
  * $Log: xnfio.cc,v $
+ * Revision 1.25  2003/01/30 16:23:08  steve
+ *  Spelling fixes.
+ *
  * Revision 1.24  2003/01/14 21:16:18  steve
  *  Move strstream to ostringstream for compatibility.
  *