[6732] non-fatal warning for duplicate DeclareUnicodeCharacter

[Gavin D. Smith]

Revision: 6732
          http://svn.sv.gnu.org/viewvc/?view=rev&root=texinfo&revision=6732
Author:   gavin
Date:     2015-10-28 17:30:15 +0000 (Wed, 28 Oct 2015)
Log Message:
-----------
non-fatal warning for duplicate DeclareUnicodeCharacter

Modified Paths:
--------------
    trunk/ChangeLog
    trunk/doc/texinfo.tex

Modified: trunk/ChangeLog
===================================================================
--- trunk/ChangeLog     2015-10-28 17:20:00 UTC (rev 6731)
+++ trunk/ChangeLog     2015-10-28 17:30:15 UTC (rev 6732)
@@ -1,5 +1,11 @@
 2015-10-28  Gavin Smith  <address@hidden>
 
+       * doc/texinfo.tex (\DeclareUnicodeCharacter): If character 
+       already defined, print a warning, but don't make it a fatal 
+       error.  Suggestion from Oliver Heimlich, 2nd October (bug-texinfo).
+
+2015-10-28  Gavin Smith  <address@hidden>
+
        * doc/texinfo.tex (\utfeightchardefs): Add the rest of the Greek 
        alphabet.
        * doc/texinfo-tex-test.texi: Add some Greek text.

Modified: trunk/doc/texinfo.tex
===================================================================
--- trunk/doc/texinfo.tex       2015-10-28 17:20:00 UTC (rev 6731)
+++ trunk/doc/texinfo.tex       2015-10-28 17:30:15 UTC (rev 6732)
@@ -3,7 +3,7 @@
 % Load plain if necessary, i.e., if running under initex.
 \expandafter\ifx\csname fmtname\endcsname\relax\input plain\fi
 %
-\def\texinfoversion{2015-10-28.17}
+\def\texinfoversion{2015-10-28.18}
 %
 % Copyright 1985, 1986, 1988, 1990, 1991, 1992, 1993, 1994, 1995,
 % 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006,
@@ -9775,7 +9775,7 @@
        \gdef\UTFviiiTmp{#2}%
       % 
       \expandafter\ifx\csname uni:#1\endcsname \relax \else
-       \errmessage{Internal error, already defined: #1}%
+       \message{Internal error, already defined: #1}%
       \fi
       %
       % define an additional control sequence for this code point.