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-rw-r--r--html.c7
1 files changed, 4 insertions, 3 deletions
diff --git a/html.c b/html.c
index 6e18fac2..8b7937a5 100644
--- a/html.c
+++ b/html.c
@@ -1,4 +1,4 @@
-/* $Id: html.c,v 1.269 2020/04/19 15:16:56 schwarze Exp $ */
+/* $Id: html.c,v 1.270 2020/04/20 13:07:24 schwarze Exp $ */
/*
* Copyright (c) 2011-2015, 2017-2020 Ingo Schwarze <schwarze@openbsd.org>
* Copyright (c) 2008-2011, 2014 Kristaps Dzonsons <kristaps@bsd.lv>
@@ -383,11 +383,12 @@ html_make_id(const struct roff_node *n, int unique)
* permitted in URL-fragment strings according to the
* explicit list at:
* https://url.spec.whatwg.org/#url-fragment-string
+ * In addition, reserve '~' for ordinal suffixes.
*/
for (cp = buf; *cp != '\0'; cp++)
if (isalnum((unsigned char)*cp) == 0 &&
- strchr("!$&'()*+,-./:;=?@_~", *cp) == NULL)
+ strchr("!$&'()*+,-./:;=?@_", *cp) == NULL)
*cp = '_';
if (unique == 0)
@@ -407,7 +408,7 @@ html_make_id(const struct roff_node *n, int unique)
if (entry->ord > 1) {
cp = buf;
- mandoc_asprintf(&buf, "%s_%d", cp, entry->ord);
+ mandoc_asprintf(&buf, "%s~%d", cp, entry->ord);
free(cp);
}
return buf;