* data/glr.c, data/lalr1.cc, data/yacc.cc, doc/bison.texinfo,

src/conflicts.c, src/parse-gram.y, src/tables.c, src/tables.h,
tests/action.at, tests/calc.at, tests/conflicts.at,
tests/cxx-type.at, tests/regression.at:
"parse error" -> "syntax error" for POSIX compatibility.
"parsing stack overflow..." -> "parser stack overflow" so
that code matches Bison documentation.

src/conflicts.c

@@ -252,7 +252,7 @@ resolve_sr_conflict (state_t *state, int ruleno,
 | Solve the S/R conflicts of STATE using the                         |
 | precedence/associativity, and flag it inconsistent if it still has |
 | conflicts.  ERRS can be used as storage to compute the list of     |
-| lookaheads on which this STATE raises a parse error (%nonassoc).   |
+| lookaheads on which this STATE raises a syntax error (%nonassoc).  |
 `-------------------------------------------------------------------*/
 
 static void
@@ -302,7 +302,7 @@ void
 conflicts_solve (void)
 {
   state_number_t i;
-  /* List of lookaheads on which we explicitly raise a parse error.  */
+  /* List of lookaheads on which we explicitly raise a syntax error.  */
   symbol_t **errs = XMALLOC (symbol_t *, ntokens + 1);
 
   conflicts = XCALLOC (char, nstates);

src/parse-gram.y

@@ -40,7 +40,7 @@
 #include "reader.h"
 #include "conflicts.h"
 
-/* Produce verbose parse errors.  */
+/* Produce verbose syntax errors.  */
 #define YYERROR_VERBOSE 1
 #define YYLLOC_DEFAULT(Current, Rhs, N)			\
 do {							\
@@ -64,7 +64,7 @@ do {							\
    correctly typed access to it.  */
 #define yycontrol ((gram_control_t *) gram_control)
 
-/* Request detailed parse error messages, and pass them to GRAM_ERROR.
+/* Request detailed syntax error messages, and pass them to GRAM_ERROR.
    FIXME: depends on the undocumented availability of YYLLOC.t */
 #undef  yyerror
 #define yyerror(Msg) \

src/tables.c

@@ -82,7 +82,7 @@ static base_t *width = NULL;
 /* For a given state, N = ACTROW[SYMBOL]:
 
    If N = 0, stands for `run the default action'.
-   If N = MIN, stands for `raise a parse error'.
+   If N = MIN, stands for `raise a syntax error'.
    If N > 0, stands for `shift SYMBOL and go to n'.
    If N < 0, stands for `reduce -N'.  */
 typedef short action_t;
@@ -116,7 +116,7 @@ static int conflict_list_free;
 static size_t table_size = 32768;
 base_t *table = NULL;
 base_t *check = NULL;
-/* The value used in TABLE to denote explicit parse errors
+/* The value used in TABLE to denote explicit syntax errors
    (%nonassoc), a negative infinite.  First defaults to ACTION_MIN,
    but in order to keep small tables, renumbered as TABLE_ERROR, which
    is the smallest (non error) value minus 1.  */

src/tables.h

@@ -105,7 +105,7 @@ extern int conflict_list_cnt;
 
 extern base_t *table;
 extern base_t *check;
-/* The value used in TABLE to denote explicit parse errors
+/* The value used in TABLE to denote explicit syntax errors
    (%nonassoc), a negative infinite.  */
 extern base_t table_ninf;