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Changes to m4/ChangeLog,v [branch]


From: Eric Blake
Subject: Changes to m4/ChangeLog,v [branch]
Date: Tue, 06 Jun 2006 12:28:47 +0000

CVSROOT:        /sources/m4
Module name:    m4
Branch:         branch
Changes by:     Eric Blake <ericb>      06/06/06 12:28:46

Index: ChangeLog
===================================================================
RCS file: /sources/m4/m4/ChangeLog,v
retrieving revision 1.1.1.1.2.52
retrieving revision 1.1.1.1.2.53
diff -u -b -r1.1.1.1.2.52 -r1.1.1.1.2.53
--- ChangeLog   5 Jun 2006 12:41:29 -0000       1.1.1.1.2.52
+++ ChangeLog   6 Jun 2006 12:28:46 -0000       1.1.1.1.2.53
@@ -1,3 +1,20 @@
+2006-06-06  Eric Blake  <address@hidden>
+
+       Solve crash when passing "indir(`foo')" to "m4 -tfoo".
+       * src/symtab.c (lookup_symbol) <SYMBOL_DELETE, SYMBOL_POPDEF>:
+       Preserve placeholder when macro is being traced.
+       * src/builtin.c (m4_ifdef, m4_indir): A traced but undefined
+       symbol is not defined.
+       (set_trace): Remove placeholder when no longer traced.
+       (m4_traceon): On named traces, always reserve a slot in the
+       symbol table.
+       (m4_traceoff): Don't warn about untracing a nonexistent symbol.
+       * NEWS: Document new trace behavior.
+       * doc/m4.texinfo (Trace): Tracing by name now consistently works
+       no matter whether that macro is currently defined.
+       (Incompatibilities): Document differences between traditional and
+       GNU trace.
+
 2006-06-04  Paul Eggert  <address@hidden>  (tiny change)
            Eric Blake  <address@hidden>
 
@@ -1954,4 +1971,4 @@
 
        * Initial beta release.  Release 0.50, manual 0.05.
 
-       $Revision: 1.1.1.1.2.52 $ $Date: 2006/06/05 12:41:29 $
+       $Revision: 1.1.1.1.2.53 $ $Date: 2006/06/06 12:28:46 $




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