From: Lars Ingebrigtsen <larsi@gnus.org>
Date: Sun, 12 Dec 2021 10:45:11 +0000 (+0100)
Subject: Really fix the etags TEX parsing
X-Git-Tag: emacs-29.0.90~3597^2~2
X-Git-Url: http://git.eshelyaron.com/gitweb/?a=commitdiff_plain;h=194556425f140b8599467959b73d5954a59128e3;p=emacs.git

Really fix the etags TEX parsing

* lib-src/etags.c (TEX_decode_env): Re-fix off-by-one parsing of
TEXTAGS environment variable (bug#52438).
---

diff --git a/lib-src/etags.c b/lib-src/etags.c
index af142b0b3d1..71f3464661c 100644
--- a/lib-src/etags.c
+++ b/lib-src/etags.c
@@ -5782,9 +5782,9 @@ TEX_decode_env (const char *evarname, const char *defenv)
   else
     env = concat (env, defenv, "");
 
-  /* If the environment variable starts with a colon, increase the
-     length of the token table.  */
-  if (*env == ':')
+  /* If the environment variable doesn't start with a colon, increase
+     the length of the token table.  */
+  if (*env != ':')
     len++;
 
   /* Allocate a token table */