From: schwarze@mdocml.bsd.lv
To: source@mdocml.bsd.lv
Subject: mdocml: Fix a quirk with respect to empty .HP.
Date: Sat, 4 Apr 2015 06:45:13 -0500 (EST) [thread overview]
Message-ID: <11001302811433178851.enqueue@fantadrom.bsd.lv> (raw)
Log Message:
-----------
Fix a quirk with respect to empty .HP.
Found while writing a regression test for man_macro.c rev. 1.66.
Incidentally, this brings rendering of XFreeEventData(3) closer to groff.
Modified Files:
--------------
mdocml:
man_term.c
Revision Data
-------------
Index: man_term.c
===================================================================
RCS file: /home/cvs/mdocml/mdocml/man_term.c,v
retrieving revision 1.173
retrieving revision 1.174
diff -Lman_term.c -Lman_term.c -u -p -r1.173 -r1.174
--- man_term.c
+++ man_term.c
@@ -533,6 +533,17 @@ post_HP(DECL_ARGS)
switch (n->type) {
case ROFFT_BODY:
term_newln(p);
+
+ /*
+ * Compatibility with a groff bug.
+ * The .HP macro uses the undocumented .tag request
+ * which causes a line break and cancels no-space
+ * mode even if there isn't any output.
+ */
+
+ if (n->child == NULL)
+ term_vspace(p);
+
p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND);
p->trailspace = 0;
p->offset = mt->offset;
--
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