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[7784] place \gdef with \csname within a group
From: |
gavinsmith0123 |
Subject: |
[7784] place \gdef with \csname within a group |
Date: |
Sun, 14 May 2017 10:56:52 -0400 (EDT) |
Revision: 7784
http://svn.sv.gnu.org/viewvc/?view=rev&root=texinfo&revision=7784
Author: gavin
Date: 2017-05-14 10:56:51 -0400 (Sun, 14 May 2017)
Log Message:
-----------
place \gdef with \csname within a group
Modified Paths:
--------------
trunk/ChangeLog
trunk/doc/texinfo.tex
Modified: trunk/ChangeLog
===================================================================
--- trunk/ChangeLog 2017-05-14 11:41:37 UTC (rev 7783)
+++ trunk/ChangeLog 2017-05-14 14:56:51 UTC (rev 7784)
@@ -1,5 +1,10 @@
2017-05-13 Gavin Smith <address@hidden>
+ * doc/texinfo.tex (\xrdef): Place a \gdef using a \csname
+ within a group to avoid save stack build-up for long aux files.
+
+2017-05-13 Gavin Smith <address@hidden>
+
* info/indices.c (info_next_index_match): Remove full stop from
end of message. (Missed on 2017-05-13. Report from Benno
Schulenberg.)
Modified: trunk/doc/texinfo.tex
===================================================================
--- trunk/doc/texinfo.tex 2017-05-14 11:41:37 UTC (rev 7783)
+++ trunk/doc/texinfo.tex 2017-05-14 14:56:51 UTC (rev 7784)
@@ -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{2017-04-14.11}
+\def\texinfoversion{2017-05-14.14}
%
% Copyright 1985, 1986, 1988, 1990, 1991, 1992, 1993, 1994, 1995,
% 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006,
@@ -9118,7 +9118,13 @@
\xdef\safexrefname{#1}%
}%
%
- \expandafter\gdef\csname XR\safexrefname\endcsname{#2}% remember this xref
+ \bgroup
+ \expandafter\gdef\csname XR\safexrefname\endcsname{#2}%
+ \egroup
+ % We put the \gdef inside a group to avoid the definitions building up on
+ % TeX's save stack, which can cause it to run out of space for aux files
with
+ % thousands of lines. \gdef doesn't use the save stack, but \csname does
+ % when it defines an unknown control sequence as \relax.
%
% Was that xref control sequence that we just defined for a float?
\expandafter\iffloat\csname XR\safexrefname\endcsname
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