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authorIngo Schwarze <schwarze@openbsd.org>2016-11-08 15:57:28 +0000
committerIngo Schwarze <schwarze@openbsd.org>2016-11-08 15:57:28 +0000
commit18bdca744233b5cb506a1d21e73f06e6b887cf66 (patch)
tree85874dba1f4a05726f8fb867e352508e921f9a24
parent166e26365dfab6e9a571a95fad6bd1753eef4a78 (diff)
downloadmandoc-18bdca744233b5cb506a1d21e73f06e6b887cf66.tar.gz
skip leading \& and \e in tags
-rw-r--r--tag.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/tag.c b/tag.c
index 763408b1..5106ae46 100644
--- a/tag.c
+++ b/tag.c
@@ -130,7 +130,13 @@ tag_put(const char *s, int prio, size_t line)
size_t len;
unsigned int slot;
- if (tag_files.tfd <= 0 || strchr(s, ' ') != NULL)
+ /* Sanity checks. */
+
+ if (tag_files.tfd <= 0)
+ return;
+ if (s[0] == '\\' && (s[1] == '&' || s[1] == 'e'))
+ s += 2;
+ if (*s == '\0' || strchr(s, ' ') != NULL)
return;
slot = ohash_qlookup(&tag_data, s);