diff --git a/PExpr.cc b/PExpr.cc
index 8b4f74112..aac384e8b 100644
--- a/PExpr.cc
+++ b/PExpr.cc
@@ -17,7 +17,7 @@
  *    Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
  */
 #ifdef HAVE_CVS_IDENT
-#ident "$Id: PExpr.cc,v 1.32 2002/11/09 19:20:48 steve Exp $"
+#ident "$Id: PExpr.cc,v 1.33 2003/01/27 05:09:17 steve Exp $"
 #endif
 
 # include "config.h"
@@ -154,7 +154,7 @@ const hname_t& PEIdent::path() const
 }
 
 /*
- * An identifier can be in a constant expresion if (and only if) it is
+ * An identifier can be in a constant expression if (and only if) it is
  * a parameter.
  */
 bool PEIdent::is_constant(Module*mod) const
@@ -256,6 +256,9 @@ bool PEUnary::is_constant(Module*m) const
 
 /*
  * $Log: PExpr.cc,v $
+ * Revision 1.33  2003/01/27 05:09:17  steve
+ *  Spelling fixes.
+ *
  * Revision 1.32  2002/11/09 19:20:48  steve
  *  Port expressions for output ports are lnets, not nets.
  *
diff --git a/StringHeap.cc b/StringHeap.cc
index f53c21674..2d58621a5 100644
--- a/StringHeap.cc
+++ b/StringHeap.cc
@@ -15,15 +15,9 @@
  *    You should have received a copy of the GNU General Public License
  *    along with this program; if not, write to the Free Software
  *    Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
- *  ---
- *    You should also have recieved a copy of the Picture Elements
- *    Binary Software License offer along with the source. This offer
- *    allows you to obtain the right to redistribute the software in
- *    binary (compiled) form. If you have not received it, contact
- *    Picture Elements, Inc., 777 Panoramic Way, Berkeley, CA 94704.
  */
 #ifdef HAVE_CVS_IDENT
-#ident "$Id: StringHeap.cc,v 1.3 2003/01/16 21:44:46 steve Exp $"
+#ident "$Id: StringHeap.cc,v 1.4 2003/01/27 05:09:17 steve Exp $"
 #endif
 
 # include  "StringHeap.h"
@@ -43,7 +37,7 @@ StringHeap::StringHeap()
 
 StringHeap::~StringHeap()
 {
-	// This is a planned memory leak. The string heap is indended
+	// This is a planned memory leak. The string heap is intended
 	// to hold permanently-allocated strings.
 }
 
@@ -72,6 +66,9 @@ const char* StringHeap::add(const char*text)
 
 /*
  * $Log: StringHeap.cc,v $
+ * Revision 1.4  2003/01/27 05:09:17  steve
+ *  Spelling fixes.
+ *
  * Revision 1.3  2003/01/16 21:44:46  steve
  *  Keep some debugging status.
  *
diff --git a/cprop.cc b/cprop.cc
index 650293dcb..cf9d7d179 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 1.39 2002/08/20 04:12:22 steve Exp $"
+#ident "$Id: cprop.cc,v 1.40 2003/01/27 05:09:17 steve Exp $"
 #endif
 
 # include "config.h"
@@ -30,7 +30,7 @@
 
 
 /*
- * The cprop function below invokes constant propogation where
+ * The cprop function below invokes constant propagation where
  * possible. The elaboration generates NetConst objects. I can remove
  * these and replace the gates connected to it with simpler ones. I
  * may even be able to replace nets with a new constant.
@@ -897,7 +897,7 @@ struct cprop_dc_functor  : public functor_t {
 void cprop_dc_functor::lpm_const(Design*des, NetConst*obj)
 {
 	// 'bz constant values drive high impedance to whatever is
-	// connected to it. In otherwords, it is a noop.
+	// connected to it. In other words, it is a noop.
       { unsigned tmp = 0;
         for (unsigned idx = 0 ;  idx < obj->pin_count() ;  idx += 1)
 	      if (obj->value(idx) == verinum::Vz) {
@@ -994,6 +994,9 @@ void cprop(Design*des)
 
 /*
  * $Log: cprop.cc,v $
+ * Revision 1.40  2003/01/27 05:09:17  steve
+ *  Spelling fixes.
+ *
  * Revision 1.39  2002/08/20 04:12:22  steve
  *  Copy gate delays when doing gate delay substitutions.
  *
diff --git a/design_dump.cc b/design_dump.cc
index 547da6831..963090bcd 100644
--- a/design_dump.cc
+++ b/design_dump.cc
@@ -17,7 +17,7 @@
  *    Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
  */
 #ifdef HAVE_CVS_IDENT
-#ident "$Id: design_dump.cc,v 1.136 2003/01/26 21:15:58 steve Exp $"
+#ident "$Id: design_dump.cc,v 1.137 2003/01/27 05:09:17 steve Exp $"
 #endif
 
 # include "config.h"
@@ -815,7 +815,7 @@ void NetProc::dump(ostream&o, unsigned ind) const
       o << setw(ind) << "" << "// " << typeid(*this).name() << endl;
 }
 
-/* Dump an expression that noone wrote a dump method for. */
+/* Dump an expression that no one wrote a dump method for. */
 void NetExpr::dump(ostream&o) const
 {
       o << "(?" << typeid(*this).name() << "?)";
@@ -1021,6 +1021,9 @@ void Design::dump(ostream&o) const
 
 /*
  * $Log: design_dump.cc,v $
+ * Revision 1.137  2003/01/27 05:09:17  steve
+ *  Spelling fixes.
+ *
  * Revision 1.136  2003/01/26 21:15:58  steve
  *  Rework expression parsing and elaboration to
  *  accommodate real/realtime values and expressions.
diff --git a/elab_anet.cc b/elab_anet.cc
index 9472c049d..da68989e7 100644
--- a/elab_anet.cc
+++ b/elab_anet.cc
@@ -17,7 +17,7 @@
  *    Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
  */
 #ifdef HAVE_CVS_IDENT
-#ident "$Id: elab_anet.cc,v 1.5 2002/08/12 01:34:58 steve Exp $"
+#ident "$Id: elab_anet.cc,v 1.6 2003/01/27 05:09:17 steve Exp $"
 #endif
 
 # include "config.h"
@@ -34,7 +34,7 @@
 NetNet* PExpr::elaborate_anet(Design*des, NetScope*scope) const
 {
       cerr << get_line() << ": error: Invalid expression on left side "
-	   << "of precedural continuous asignment." << endl;
+	   << "of procedural continuous assignment." << endl;
       return 0;
 }
 
@@ -110,7 +110,7 @@ NetNet* PEIdent::elaborate_anet(Design*des, NetScope*scope) const
 	    if (NetMemory*mem = des->find_memory(scope, path_)) {
 		  cerr << get_line() << ": error: memories not allowed "
 		       << "on left side of procedural continuous "
-		       << "asignment." << endl;
+		       << "assignment." << endl;
 		  des->errors += 1;
 		  return 0;
 	    }
@@ -138,7 +138,7 @@ NetNet* PEIdent::elaborate_anet(Design*des, NetScope*scope) const
       if (msb_ || lsb_) {
 
 	    cerr << get_line() << ": error: bit/part selects not allowed "
-		 << "on left side of procedural continuous asignment."
+		 << "on left side of procedural continuous assignment."
 		 << endl; 
 	    des->errors += 1;
 	    return 0;
@@ -149,6 +149,9 @@ NetNet* PEIdent::elaborate_anet(Design*des, NetScope*scope) const
 
 /*
  * $Log: elab_anet.cc,v $
+ * Revision 1.6  2003/01/27 05:09:17  steve
+ *  Spelling fixes.
+ *
  * Revision 1.5  2002/08/12 01:34:58  steve
  *  conditional ident string using autoconfig.
  *
diff --git a/elab_expr.cc b/elab_expr.cc
index e78df286e..c377f9deb 100644
--- a/elab_expr.cc
+++ b/elab_expr.cc
@@ -17,7 +17,7 @@
  *    Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
  */
 #ifdef HAVE_CVS_IDENT
-#ident "$Id: elab_expr.cc,v 1.68 2003/01/26 21:15:58 steve Exp $"
+#ident "$Id: elab_expr.cc,v 1.69 2003/01/27 05:09:17 steve Exp $"
 #endif
 
 # include "config.h"
@@ -227,7 +227,7 @@ NetExpr* PECallFunction::elaborate_sfunc_(Design*des, NetScope*scope) const
 	   be interpreted as a single empty parameter.
 
 	   Functions cannot really take empty parameters, but the
-	   case ``func()'' is the same as no parmaters at all. So
+	   case ``func()'' is the same as no parameters at all. So
 	   catch that special case here. */
       unsigned nparms = parms_.count();
       if ((nparms == 1) && (parms_[0] == 0))
@@ -447,7 +447,7 @@ NetExpr* PEIdent::elaborate_expr(Design*des, NetScope*scope,
 		  verinum*msn = msb_->eval_const(des, scope);
 		  if ((lsn == 0) || (msn == 0)) {
 			cerr << get_line() << ": error: "
-			      "Part select expresions must be "
+			      "Part select expressions must be "
 			      "constant expressions." << endl;
 			des->errors += 1;
 			return 0;
@@ -568,7 +568,7 @@ NetExpr* PEIdent::elaborate_expr(Design*des, NetScope*scope,
 		  verinum*msn = msb_->eval_const(des, scope);
 		  if ((lsn == 0) || (msn == 0)) {
 			cerr << get_line() << ": error: "
-			      "Part select expresions must be "
+			      "Part select expressions must be "
 			      "constant expressions." << endl;
 			des->errors += 1;
 			return 0;
@@ -581,7 +581,7 @@ NetExpr* PEIdent::elaborate_expr(Design*des, NetScope*scope,
 		       integers, so allow negative values. However,
 		       the width that they represent is
 		       unsigned. Remember that any order is possible,
-		       i.e. [1:0], [-4,6], etc. */
+		       i.e., [1:0], [-4,6], etc. */
 
 		  long lsv = lsn->as_long();
 		  long msv = msn->as_long();
@@ -733,7 +733,7 @@ NetExpr* PEIdent::elaborate_expr(Design*des, NetScope*scope,
 
 	// Finally, if this is a scope name, then return that. Look
 	// first to see if this is a name of a local scope. Failing
-	// that, search globally for a heirarchical name.
+	// that, search globally for a hierarchical name.
       if ((path_.peek_name(1) == 0))
 	    if (NetScope*nsc = scope->child(path_.peek_name(0))) {
 		  NetEScope*tmp = new NetEScope(nsc);
@@ -900,6 +900,9 @@ NetExpr* PEUnary::elaborate_expr(Design*des, NetScope*scope, bool) const
 
 /*
  * $Log: elab_expr.cc,v $
+ * Revision 1.69  2003/01/27 05:09:17  steve
+ *  Spelling fixes.
+ *
  * Revision 1.68  2003/01/26 21:15:58  steve
  *  Rework expression parsing and elaboration to
  *  accommodate real/realtime values and expressions.
diff --git a/elab_lval.cc b/elab_lval.cc
index f61aa334d..fe2709cd5 100644
--- a/elab_lval.cc
+++ b/elab_lval.cc
@@ -17,7 +17,7 @@
  *    Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
  */
 #ifdef HAVE_CVS_IDENT
-#ident "$Id: elab_lval.cc,v 1.25 2003/01/26 21:15:58 steve Exp $"
+#ident "$Id: elab_lval.cc,v 1.26 2003/01/27 05:09:17 steve Exp $"
 #endif
 
 # include "config.h"
@@ -29,23 +29,23 @@
 
 /*
  * These methods generate a NetAssign_ object for the l-value of the
- * assignemnt. This is common code for the = and <= statements.
+ * assignment. This is common code for the = and <= statements.
  *
  * What gets generated depends on the structure of the l-value. If the
- * l-value is a simple name (i.e. foo <= <value>) the the NetAssign_
+ * l-value is a simple name (i.e., foo <= <value>) the the NetAssign_
  * is created the width of the foo reg and connected to all the
  * bits.
  *
- * If there is a part select (i.e. foo[3:1] <= <value>) the NetAssign_
+ * If there is a part select (i.e., foo[3:1] <= <value>) the NetAssign_
  * is made only as wide as it needs to be (3 bits in this example) and
  * connected to the correct bits of foo. A constant bit select is a
  * special case of the part select. 
  *
- * If the bit-select is non-constant (i.e. foo[<expr>] = <value>) the
+ * If the bit-select is non-constant (i.e., foo[<expr>] = <value>) the
  * NetAssign_ is made wide enough to connect to all the bits of foo,
  * then the mux expression is elaborated and attached to the
  * NetAssign_ node as a b_mux value. The target must interpret the
- * presense of a bmux value as taking a single bit and assigning it to
+ * presence of a bmux value as taking a single bit and assigning it to
  * the bit selected by the bmux expression.
  *
  * If the l-value expression is non-trivial, but can be fully
@@ -55,7 +55,7 @@
  * l-value.
  *
  * This last case can turn up in statements like: {a, b[1]} = c;
- * rather then create a NetAssign_ for each item in the contatenation,
+ * rather then create a NetAssign_ for each item in the concatenation,
  * elaboration makes a single NetAssign_ and connects it up properly.
  */
 
@@ -347,6 +347,9 @@ NetAssign_* PENumber::elaborate_lval(Design*des, NetScope*) const
 
 /*
  * $Log: elab_lval.cc,v $
+ * Revision 1.26  2003/01/27 05:09:17  steve
+ *  Spelling fixes.
+ *
  * Revision 1.25  2003/01/26 21:15:58  steve
  *  Rework expression parsing and elaboration to
  *  accommodate real/realtime values and expressions.
diff --git a/elab_net.cc b/elab_net.cc
index 2a34c7887..f31f6d84d 100644
--- a/elab_net.cc
+++ b/elab_net.cc
@@ -17,7 +17,7 @@
  *    Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
  */
 #ifdef HAVE_CVS_IDENT
-#ident "$Id: elab_net.cc,v 1.105 2003/01/19 00:35:39 steve Exp $"
+#ident "$Id: elab_net.cc,v 1.106 2003/01/27 05:09:17 steve Exp $"
 #endif
 
 # include "config.h"
@@ -69,7 +69,7 @@ NetNet* PEBinary::elaborate_net(Design*des, NetScope*scope,
 	  case '^':
 	  case 'A': // Bitwise NAND (~&)
 	  case 'O': // Bitwise NOR (~|)
-	  case 'X': // Exclusing NOR
+	  case 'X': // Exclusive NOR
 	    return elaborate_net_bit_(des, scope, width, rise, fall, decay);
 	  case 'E': // === (case equals)
 	  case 'e': // ==
@@ -588,7 +588,7 @@ NetNet* PEBinary::elaborate_net_cmp_(Design*des, NetScope*scope,
 }
 
 /*
- * Elaborate a divider gate. This function create a NetDevide gate
+ * Elaborate a divider gate. This function create a NetDivide gate
  * which has exactly the right sized DataA, DataB and Result ports. If
  * the l-value is wider then the result, then pad.
  */
@@ -825,7 +825,7 @@ NetNet* PEBinary::elaborate_net_mul_(Design*des, NetScope*scope,
       verinum*rnum = right_->eval_const(des, scope);
 
 	/* Detect and handle the special case that both the operands
-	   of the multiply are constant expressions. Evalulate the
+	   of the multiply are constant expressions. Evaluate the
 	   value and make this a simple constant. */
       if (lnum && rnum) {
 	    verinum prod = *lnum * *rnum;
@@ -1393,7 +1393,7 @@ NetNet* PEIdent::elaborate_net(Design*des, NetScope*scope,
 }
 
 /*
- * When I run into an identifier in an expression that referrs to a
+ * When I run into an identifier in an expression that refers to a
  * memory, create a RAM port object.
  */
 NetNet* PEIdent::elaborate_net_ram_(Design*des, NetScope*scope,
@@ -2284,6 +2284,9 @@ NetNet* PEUnary::elaborate_net(Design*des, NetScope*scope,
 
 /*
  * $Log: elab_net.cc,v $
+ * Revision 1.106  2003/01/27 05:09:17  steve
+ *  Spelling fixes.
+ *
  * Revision 1.105  2003/01/19 00:35:39  steve
  *  Detect null arguments to concatenation operator.
  *
diff --git a/elab_pexpr.cc b/elab_pexpr.cc
index e38bfb7bf..3a47bc295 100644
--- a/elab_pexpr.cc
+++ b/elab_pexpr.cc
@@ -17,7 +17,7 @@
  *    Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
  */
 #ifdef HAVE_CVS_IDENT
-#ident "$Id: elab_pexpr.cc,v 1.18 2002/12/05 02:14:33 steve Exp $"
+#ident "$Id: elab_pexpr.cc,v 1.19 2003/01/27 05:09:17 steve Exp $"
 #endif
 
 # include "config.h"
@@ -61,7 +61,7 @@ NetExpr*PEBinary::elaborate_pexpr (Design*des, NetScope*scope) const
  * expressions can include concatenation expressions. This requires
  * that the subexpressions all have well-defined size (in spite of
  * being in a parameter expression) in order to get a defined
- * value. The sub-expressions themsilves must also be value parameter
+ * value. The sub-expressions themselves must also be value parameter
  * expressions.
  */
 NetEConcat* PEConcat::elaborate_pexpr(Design*des, NetScope*scope) const
@@ -228,6 +228,9 @@ NetExpr*PEUnary::elaborate_pexpr (Design*des, NetScope*scope) const
 
 /*
  * $Log: elab_pexpr.cc,v $
+ * Revision 1.19  2003/01/27 05:09:17  steve
+ *  Spelling fixes.
+ *
  * Revision 1.18  2002/12/05 02:14:33  steve
  *  Support bit select in constant expressions.
  *
diff --git a/elab_scope.cc b/elab_scope.cc
index 0120c45a9..6d2cbd2fd 100644
--- a/elab_scope.cc
+++ b/elab_scope.cc
@@ -17,7 +17,7 @@
  *    Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
  */
 #ifdef HAVE_CVS_IDENT
-#ident "$Id: elab_scope.cc,v 1.18 2003/01/26 21:15:58 steve Exp $"
+#ident "$Id: elab_scope.cc,v 1.19 2003/01/27 05:09:17 steve Exp $"
 #endif
 
 # include "config.h"
@@ -138,7 +138,7 @@ bool Module::elaborate_scope(Design*des, NetScope*scope) const
 	// It is OK to elaborate the expressions of the defparam here
 	// because Verilog requires that the expressions only use
 	// local parameter names. It is *not* OK to do the override
-	// here becuase the parameter receiving the assignment may be
+	// here because the parameter receiving the assignment may be
 	// in a scope not discovered by this pass.
 
       for (hparm_it_t cur = defparms.begin()
@@ -292,7 +292,7 @@ void PGModule::elaborate_scope_mod_(Design*des, Module*mod, NetScope*sc) const
 
 	// Look for module parameter replacements. The "replace" map
 	// maps parameter name to replacement expression that is
-	// passed. It is built up by the ordered overrices or named
+	// passed. It is built up by the ordered overrides or named
 	// overrides.
 
       typedef map<string,PExpr*>::const_iterator mparm_it_t;
@@ -414,7 +414,7 @@ void PBlock::elaborate_scope(Design*des, NetScope*scope) const
 }
 
 /*
- * The case statement itseof does not introduce scope, but contains
+ * The case statement itself does not introduce scope, but contains
  * other statements that may be named blocks. So scan the case items
  * with the elaborate_scope method.
  */
@@ -512,6 +512,9 @@ void PWhile::elaborate_scope(Design*des, NetScope*scope) const
 
 /*
  * $Log: elab_scope.cc,v $
+ * Revision 1.19  2003/01/27 05:09:17  steve
+ *  Spelling fixes.
+ *
  * Revision 1.18  2003/01/26 21:15:58  steve
  *  Rework expression parsing and elaboration to
  *  accommodate real/realtime values and expressions.
diff --git a/elab_sig.cc b/elab_sig.cc
index 0833315be..0fb93ebc6 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 1.25 2002/08/12 01:34:59 steve Exp $"
+#ident "$Id: elab_sig.cc,v 1.26 2003/01/27 05:09:17 steve Exp $"
 #endif
 
 # include "config.h"
@@ -360,7 +360,7 @@ bool PGate::elaborate_sig(Design*des, NetScope*scope) const
 /*
  * Elaborate a source wire. The "wire" is the declaration of wires,
  * registers, ports and memories. The parser has already merged the
- * multiple properties of a wire (i.e. "input wire") so come the
+ * multiple properties of a wire (i.e., "input wire") so come the
  * elaboration this creates an object in the design that represent the
  * defined item.
  */
@@ -396,7 +396,7 @@ void PWire::elaborate_sig(Design*des, NetScope*scope) const
 	    unsigned count_scalars = 0;
 
 	      /* There may be multiple declarations of ranges, because
-		 the symbol may have its range declared in i.e. input
+		 the symbol may have its range declared in e.g., input
 		 and reg declarations. Calculate *all* the numbers
 		 here. I will resolve the values later. */
 
@@ -525,6 +525,9 @@ void PWire::elaborate_sig(Design*des, NetScope*scope) const
 
 /*
  * $Log: elab_sig.cc,v $
+ * Revision 1.26  2003/01/27 05:09:17  steve
+ *  Spelling fixes.
+ *
  * Revision 1.25  2002/08/12 01:34:59  steve
  *  conditional ident string using autoconfig.
  *
diff --git a/elaborate.cc b/elaborate.cc
index 7deecd28c..5f4403c6a 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 1.269 2003/01/26 21:15:58 steve Exp $"
+#ident "$Id: elaborate.cc,v 1.270 2003/01/27 05:09:17 steve Exp $"
 #endif
 
 # include "config.h"
@@ -110,7 +110,7 @@ void PGAssign::elaborate(Design*des, NetScope*scope) const
 
 
 	      /* If the right hand net is the same type as the left
-		 side net (i.e. WIRE/WIRE) then it is enough to just
+		 side net (i.e., WIRE/WIRE) then it is enough to just
 		 connect them together. Otherwise, put a bufz between
 		 them to carry strengths from the rval.
 
@@ -133,7 +133,7 @@ void PGAssign::elaborate(Design*des, NetScope*scope) const
 		  }
 	    }
 
-	      /* If the nets are different type (i.e. reg vs tri) then
+	      /* If the nets are different type (i.e., reg vs tri) then
 		 a driver is needed. */
 	    if (rid->type() != lval->type())
 		  need_driver_flag = true;
@@ -254,7 +254,7 @@ void PGBuiltin::elaborate(Design*des, NetScope*scope) const
       else
 	    name = scope->name()+"."+name;
 
-	/* If the verilog source has a range specification for the
+	/* If the Verilog source has a range specification for the
 	   gates, then I am expected to make more then one
 	   gate. Figure out how many are desired. */
       if (msb_) {
@@ -292,10 +292,10 @@ void PGBuiltin::elaborate(Design*des, NetScope*scope) const
 	/* Calculate the gate delays from the delay expressions
 	   given in the source. For logic gates, the decay time
 	   is meaningless because it can never go to high
-	   impedence. However, the bufif devices can generate
+	   impedance. However, the bufif devices can generate
 	   'bz output, so we will pretend that anything can.
 
-	   If only one delay value expression is given (i.e. #5
+	   If only one delay value expression is given (i.e., #5
 	   nand(foo,...)) then rise, fall and decay times are
 	   all the same value. If two values are given, rise and
 	   fall times are use, and the decay time is the minimum
@@ -529,7 +529,7 @@ void PGModule::elaborate_mod_(Design*des, Module*rmod, NetScope*scope) const
 
 	      /* Handle the special case that no ports are
 		 connected. It is possible that this is an empty
-		 connect-by-name list, su we'll allow it and assume
+		 connect-by-name list, so we'll allow it and assume
 		 that is the case. */
 
 	    svector<PExpr*>*tmp = new svector<PExpr*>(rmod->port_count());
@@ -571,7 +571,7 @@ void PGModule::elaborate_mod_(Design*des, Module*rmod, NetScope*scope) const
 	// bind them to the port of the elaborated module.
 
 	// This can get rather complicated because the port can be
-	// unconnected (meaning an empty paramter is passed) connected
+	// unconnected (meaning an empty parameter is passed) connected
 	// to a concatenation, or connected to an internally
 	// unconnected port.
 
@@ -584,7 +584,7 @@ void PGModule::elaborate_mod_(Design*des, Module*rmod, NetScope*scope) const
 
 	      // Inside the module, the port is zero or more signals
 	      // that were already elaborated. List all those signals
-	      // and the NetNet equivilents.
+	      // and the NetNet equivalents.
 	    svector<PEIdent*> mport = rmod->get_port(idx);
 	    svector<NetNet*>prts (mport.count());
 
@@ -603,7 +603,7 @@ void PGModule::elaborate_mod_(Design*des, Module*rmod, NetScope*scope) const
 
 	      // If I find that the port in unconnected inside the
 	      // module, then there is nothing to connect. Skip the
-	      // paramter.
+	      // parameter.
 	    if (prts_pin_count == 0) {
 		  continue;
 	    }
@@ -1187,7 +1187,7 @@ NetProc* PCase::elaborate(Design*des, NetScope*scope) const
 	    }
       }
 
-	/* Count the items in the case statement. Note that ther may
+	/* Count the items in the case statement. Note that there may
 	   be some cases that have multiple guards. Count each as a
 	   separate item. */
       unsigned icount = 0;
@@ -1564,7 +1564,7 @@ NetDeassign* PDeassign::elaborate(Design*des, NetScope*scope) const
 }
 
 /*
- * Elaborate the delay statment (of the form #<expr> <statement>) as a
+ * Elaborate the delay statement (of the form #<expr> <statement>) as a
  * NetPDelay object. If the expression is constant, evaluate it now
  * and make a constant delay. If not, then pass an elaborated
  * expression to the constructor of NetPDelay so that the code
@@ -1697,7 +1697,7 @@ NetProc* PDisable::elaborate(Design*des, NetScope*scope) const
  * classes. The NetEvWait class represents the part of the netlist
  * that is executed by behavioral code. The process starts waiting on
  * the NetEvent when it executes the NetEvWait step. Net NetEvProbe
- * and NetEvTrig are structural and behavioral equivilents that
+ * and NetEvTrig are structural and behavioral equivalents that
  * trigger the event, and awakens any processes blocking in the
  * associated wait.
  *
@@ -1728,7 +1728,7 @@ NetProc* PDisable::elaborate(Design*des, NetScope*scope) const
  *         always @(reset or posedge clk) <stmt>;
  *
  * Conjunctions like this cause a NetEvent object be created to
- * represent the overall conjuction, and NetEvProbe objects for each
+ * represent the overall conjunction, and NetEvProbe objects for each
  * event expression.
  *
  * If the NetEvent object represents a named event from the source,
@@ -1780,7 +1780,7 @@ NetProc* PEventStatement::elaborate_st(Design*des, NetScope*scope,
 	         <statement>
 	       end
 
-	   This is equivilent, and uses the existing capapilities of
+	   This is equivalent, and uses the existing capapilities of
 	   the netlist format. The resulting netlist should look like
 	   this:
 
@@ -1835,7 +1835,7 @@ NetProc* PEventStatement::elaborate_st(Design*des, NetScope*scope,
 
 	      /* If we don't have a sub-statement after all, then we
 		 don't really need the block and we can save the
-		 node. (i.e. wait (foo==1) ;) However, the common case
+		 node. (i.e., wait (foo==1) ;) However, the common case
 		 has a statement in the wait so we create a sequential
 		 block to join the wait and the statement. */
 
@@ -1866,9 +1866,9 @@ NetProc* PEventStatement::elaborate_st(Design*des, NetScope*scope,
 	    }
       }
 
-	/* Create A single NetEvent and NetEvWait. Then, create a
+	/* Create a single NetEvent and NetEvWait. Then, create a
 	   NetEvProbe for each conjunctive event in the event
-	   list. The NetEvProbe object al refer back to the NetEvent
+	   list. The NetEvProbe objects all refer back to the NetEvent
 	   object. */
 
       NetEvent*ev = new NetEvent(scope->local_symbol());
@@ -2251,7 +2251,7 @@ NetProc* PRepeat::elaborate(Design*des, NetScope*scope) const
  * of the task will include a foo.blah for the blah port. This port is
  * bound to a NetNet object by looking up the name. All of this is
  * handled by the PTask::elaborate_sig method and the results stashed
- * in the created NetDaskDef attached to the scope.
+ * in the created NetTaskDef attached to the scope.
  *
  * Elaboration pass 2 for the task definition causes the statement of
  * the task to be elaborated and attached to the NetTaskDef object
@@ -2463,7 +2463,7 @@ Design* elaborate(list<const char*>roots)
 	// defparam assignments to apply to the parameters in the
 	// various scopes. This needs to be done after all the scopes
 	// and basic parameters are taken care of because the defparam
-	// can assign to a paramter declared *after* it.
+	// can assign to a parameter declared *after* it.
       des->run_defparams();
 
 
@@ -2507,6 +2507,9 @@ Design* elaborate(list<const char*>roots)
 
 /*
  * $Log: elaborate.cc,v $
+ * Revision 1.270  2003/01/27 05:09:17  steve
+ *  Spelling fixes.
+ *
  * Revision 1.269  2003/01/26 21:15:58  steve
  *  Rework expression parsing and elaboration to
  *  accommodate real/realtime values and expressions.
diff --git a/eval_attrib.cc b/eval_attrib.cc
index 09217433a..94ff0e900 100644
--- a/eval_attrib.cc
+++ b/eval_attrib.cc
@@ -17,7 +17,7 @@
  *    Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
  */
 #ifdef HAVE_CVS_IDENT
-#ident "$Id: eval_attrib.cc,v 1.5 2002/08/12 01:34:59 steve Exp $"
+#ident "$Id: eval_attrib.cc,v 1.6 2003/01/27 05:09:17 steve Exp $"
 #endif
 
 # include  "config.h"
@@ -29,7 +29,7 @@
 
 /*
  * The evaluate_attributes function evaluates the attribute
- * expressions from the map, and resturns a table in a form suitable
+ * expressions from the map, and returns a table in a form suitable
  * for passing to netlist devices.
  */
 
@@ -52,7 +52,7 @@ attrib_list_t* evaluate_attributes(const map<string,PExpr*>&att,
 	    PExpr*exp = (*cur).second;
 
 	      /* If the attribute value is given in the source, then
-		 evalulate it as a constant. If the value is not
+		 evaluate it as a constant. If the value is not
 		 given, then assume the value is 1. */
 	    verinum*tmp;
 	    if (exp)
@@ -74,6 +74,9 @@ attrib_list_t* evaluate_attributes(const map<string,PExpr*>&att,
 
 /*
  * $Log: eval_attrib.cc,v $
+ * Revision 1.6  2003/01/27 05:09:17  steve
+ *  Spelling fixes.
+ *
  * Revision 1.5  2002/08/12 01:34:59  steve
  *  conditional ident string using autoconfig.
  *
diff --git a/eval_tree.cc b/eval_tree.cc
index 4ca99989f..f23a0a814 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 1.44 2002/12/05 02:14:33 steve Exp $"
+#ident "$Id: eval_tree.cc,v 1.45 2003/01/27 05:09:17 steve Exp $"
 #endif
 
 # include "config.h"
@@ -541,7 +541,7 @@ NetEConst* NetEBComp::eval_tree()
 }
 
 /*
- * The NetEBDiv operator includes the / and % opeators. First evaluate
+ * The NetEBDiv operator includes the / and % operators. First evaluate
  * the sub-expressions, then perform the required operation.
  */
 NetEConst* NetEBDiv::eval_tree()
@@ -1187,6 +1187,9 @@ NetEConst* NetEUReduce::eval_tree()
 
 /*
  * $Log: eval_tree.cc,v $
+ * Revision 1.45  2003/01/27 05:09:17  steve
+ *  Spelling fixes.
+ *
  * Revision 1.44  2002/12/05 02:14:33  steve
  *  Support bit select in constant expressions.
  *
diff --git a/net_design.cc b/net_design.cc
index c08d83eee..675cc05a4 100644
--- a/net_design.cc
+++ b/net_design.cc
@@ -17,7 +17,7 @@
  *    Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
  */
 #ifdef HAVE_CVS_IDENT
-#ident "$Id: net_design.cc,v 1.32 2003/01/26 21:15:58 steve Exp $"
+#ident "$Id: net_design.cc,v 1.33 2003/01/27 05:09:17 steve Exp $"
 #endif
 
 # include "config.h"
@@ -107,7 +107,7 @@ const list<NetScope*> Design::find_root_scopes() const
 
 /*
  * This method locates a scope in the design, given its rooted
- * heirarchical name. Each component of the key is used to scan one
+ * hierarchical name. Each component of the key is used to scan one
  * more step down the tree until the name runs out or the search
  * fails.
  */
@@ -625,6 +625,9 @@ void Design::delete_process(NetProcTop*top)
 
 /*
  * $Log: net_design.cc,v $
+ * Revision 1.33  2003/01/27 05:09:17  steve
+ *  Spelling fixes.
+ *
  * Revision 1.32  2003/01/26 21:15:58  steve
  *  Rework expression parsing and elaboration to
  *  accommodate real/realtime values and expressions.
diff --git a/net_force.cc b/net_force.cc
index 2f7577fc9..32b4cf3a4 100644
--- a/net_force.cc
+++ b/net_force.cc
@@ -17,13 +17,13 @@
  *    Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
  */
 #ifdef HAVE_CVS_IDENT
-#ident "$Id: net_force.cc,v 1.9 2002/08/19 00:06:12 steve Exp $"
+#ident "$Id: net_force.cc,v 1.10 2003/01/27 05:09:17 steve Exp $"
 #endif
 
 # include "config.h"
 
 /*
- * This file contains implementatsion of the NetForce, NetRelease,
+ * This file contains implementation of the NetForce, NetRelease,
  * NetCAssign and NetDeassign classes. These are similar or related in
  * that they handle the procedural continuous assign and force
  * statements.
@@ -35,7 +35,7 @@
 /*
  * Construct the procedural continuous assignment statement. This is a
  * bit different from a normal assignment because the the lval is only
- * intermittantly connected. The deassign in particular disconnects
+ * intermittently connected. The deassign in particular disconnects
  * the signals when they are not being assigned anymore. Because of
  * this, there is no other reference to the lval to make it stay put
  * so we increment the eref.
@@ -136,6 +136,9 @@ const NetNet*NetRelease::lval() const
 
 /*
  * $Log: net_force.cc,v $
+ * Revision 1.10  2003/01/27 05:09:17  steve
+ *  Spelling fixes.
+ *
  * Revision 1.9  2002/08/19 00:06:12  steve
  *  Allow release to handle removal of target net.
  *
diff --git a/net_scope.cc b/net_scope.cc
index 5b3be1ebe..56a3788d5 100644
--- a/net_scope.cc
+++ b/net_scope.cc
@@ -17,7 +17,7 @@
  *    Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
  */
 #ifdef HAVE_CVS_IDENT
-#ident "$Id: net_scope.cc,v 1.23 2003/01/26 21:15:58 steve Exp $"
+#ident "$Id: net_scope.cc,v 1.24 2003/01/27 05:09:17 steve Exp $"
 #endif
 
 # include "config.h"
@@ -397,7 +397,7 @@ void NetScope::add_variable(NetVariable*var)
 
 /*
  * This method locates a child scope by name. The name is the simple
- * name of the child, no heirarchy is searched.
+ * name of the child, no hierarchy is searched.
  */
 NetScope* NetScope::child(const string&name)
 {
@@ -450,6 +450,9 @@ string NetScope::local_hsymbol()
 
 /*
  * $Log: net_scope.cc,v $
+ * Revision 1.24  2003/01/27 05:09:17  steve
+ *  Spelling fixes.
+ *
  * Revision 1.23  2003/01/26 21:15:58  steve
  *  Rework expression parsing and elaboration to
  *  accommodate real/realtime values and expressions.
diff --git a/pad_to_width.cc b/pad_to_width.cc
index a57f8e4be..dc2193419 100644
--- a/pad_to_width.cc
+++ b/pad_to_width.cc
@@ -17,7 +17,7 @@
  *    Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
  */
 #ifdef HAVE_CVS_IDENT
-#ident "$Id: pad_to_width.cc,v 1.12 2003/01/26 21:15:59 steve Exp $"
+#ident "$Id: pad_to_width.cc,v 1.13 2003/01/27 05:09:17 steve Exp $"
 #endif
 
 # include "config.h"
@@ -26,7 +26,7 @@
 # include  "netmisc.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.
@@ -99,6 +99,9 @@ NetNet*pad_to_width(Design*des, NetNet*net, unsigned wid)
 
 /*
  * $Log: pad_to_width.cc,v $
+ * Revision 1.13  2003/01/27 05:09:17  steve
+ *  Spelling fixes.
+ *
  * Revision 1.12  2003/01/26 21:15:59  steve
  *  Rework expression parsing and elaboration to
  *  accommodate real/realtime values and expressions.
diff --git a/synth2.cc b/synth2.cc
index e107e7e36..007701b2b 100644
--- a/synth2.cc
+++ b/synth2.cc
@@ -17,7 +17,7 @@
  *    Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
  */
 #ifdef HAVE_CVS_IDENT
-#ident "$Id: synth2.cc,v 1.20 2002/11/09 23:29:29 steve Exp $"
+#ident "$Id: synth2.cc,v 1.21 2003/01/27 05:09:17 steve Exp $"
 #endif
 
 # include "config.h"
@@ -516,7 +516,7 @@ bool NetCondit::synth_sync(Design*des, NetScope*scope, NetFF*ff,
 
 	     if (expr_) <true statement>;
 
-	   The expr_ expression has alreacy been synthesized to the ce
+	   The expr_ expression has already been synthesized to the ce
 	   net, so we connect it here to the FF. What's left is to
 	   synthesize the substatement as a combinational
 	   statement.
@@ -637,7 +637,7 @@ bool NetProcTop::synth_sync(Design*des)
       ff->attribute("LPM_FFType", verinum("DFF"));
 
 	/* The D inputs to the DFF device will receive the output from
-	   the statments of the process. */
+	   the statements of the process. */
       NetNet*nex_d = new NetNet(scope(), scope()->local_hsymbol().c_str(),
 				NetNet::WIRE, nex_set.count());
       nex_d->local_flag(true);
@@ -738,6 +738,9 @@ void synth2(Design*des)
 
 /*
  * $Log: synth2.cc,v $
+ * Revision 1.21  2003/01/27 05:09:17  steve
+ *  Spelling fixes.
+ *
  * Revision 1.20  2002/11/09 23:29:29  steve
  *  Handle nested-if chip enables.
  *