fflush() is now POSIX. Fix code and document.

1 files changed, 3 insertions, 9 deletions

diff --git a/awkgram.c b/awkgram.c
index ba32abcf..33f0d6cd 100644
--- a/awkgram.c
+++ b/awkgram.c
@@ -4294,9 +4294,8 @@ struct token {
 #	define	NOT_OLD		0x0100	/* feature not in old awk */
 #	define	NOT_POSIX	0x0200	/* feature not in POSIX */
 #	define	GAWKX		0x0400	/* gawk extension */
-#	define	RESX		0x0800	/* Bell Labs Research extension */
-#	define	BREAK		0x1000	/* break allowed inside */
-#	define	CONTINUE	0x2000	/* continue allowed inside */
+#	define	BREAK		0x0800	/* break allowed inside */
+#	define	CONTINUE	0x1000	/* continue allowed inside */
 	
 	NODE *(*ptr)(int);	/* function that implements this keyword */
 };
@@ -4351,7 +4350,7 @@ static const struct token tokentab[] = {
 {"exit",	Op_K_exit,	 LEX_EXIT,	0,		0},
 {"exp",		Op_builtin,	 LEX_BUILTIN,	A(1),		do_exp},
 {"extension",	Op_builtin,	 LEX_BUILTIN,	GAWKX|A(2),	do_ext},
-{"fflush",	Op_builtin,	 LEX_BUILTIN,	RESX|A(0)|A(1), do_fflush},
+{"fflush",	Op_builtin,	 LEX_BUILTIN,	A(0)|A(1), do_fflush},
 {"for",		Op_K_for,	 LEX_FOR,	BREAK|CONTINUE,	0},
 {"func",	Op_func, LEX_FUNCTION,	NOT_POSIX|NOT_OLD,	0},
 {"function",Op_func, LEX_FUNCTION,	NOT_OLD,	0},
@@ -5989,11 +5988,6 @@ retry:
 					tokentab[mid].operator);
 				warntab[mid] |= GAWKX;
 			}
-			if ((tokentab[mid].flags & RESX) && ! (warntab[mid] & RESX)) {
-				lintwarn(_("`%s' is a Bell Labs extension"),
-					tokentab[mid].operator);
-				warntab[mid] |= RESX;
-			}
 			if ((tokentab[mid].flags & NOT_POSIX) && ! (warntab[mid] & NOT_POSIX)) {
 				lintwarn(_("POSIX does not allow `%s'"),
 					tokentab[mid].operator);