mdocml: The bufcat() function in -T[x]html was eating one byte off the

mdocml: The bufcat() function in -T[x]html was eating one byte off the

[kristaps]

Log Message:
-----------
The bufcat() function in -T[x]html was eating one byte off the end of its
concatenated string.  This for some reason hasn't been found before now... ?
Anyway, fixed, and make the IDs created again be correctly prefixed by a 
letter as per the HTML spec.

Modified Files:
--------------
    mdocml:
        html.c
        mdoc_html.c

Revision Data
-------------
Index: html.c
===================================================================
RCS file: /usr/vhosts/mdocml.bsd.lv/cvs/mdocml/html.c,v
retrieving revision 1.147
retrieving revision 1.148
diff -Lhtml.c -Lhtml.c -u -p -r1.147 -r1.148
--- html.c
+++ html.c
@@ -595,7 +595,6 @@ bufcat(struct html *h, const char *p)
 
 	h->buflen = strlcat(h->buf, p, BUFSIZ);
 	assert(h->buflen < BUFSIZ);
-	h->buflen--;
 }
 
 void
Index: mdoc_html.c
===================================================================
RCS file: /usr/vhosts/mdocml.bsd.lv/cvs/mdocml/mdoc_html.c,v
retrieving revision 1.171
retrieving revision 1.172
diff -Lmdoc_html.c -Lmdoc_html.c -u -p -r1.171 -r1.172
--- mdoc_html.c
+++ mdoc_html.c
@@ -610,6 +610,7 @@ mdoc_sh_pre(MDOC_ARGS)
 		return(1);
 
 	bufinit(h);
+	bufcat(h, "x");
 	for (n = n->child; n; n = n->next) {
 		bufcat_id(h, n->string);
 		if (n->next)
@@ -636,6 +637,7 @@ mdoc_ss_pre(MDOC_ARGS)
 		return(1);
 
 	bufinit(h);
+	bufcat(h, "x");
 	for (n = n->child; n; n = n->next) {
 		bufcat_id(h, n->string);
 		if (n->next)
--
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