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authorIngo Schwarze <schwarze@cvs.openbsd.org>2015-04-04 11:43:54 +0000
committerIngo Schwarze <schwarze@cvs.openbsd.org>2015-04-04 11:43:54 +0000
commitdad7c5cadaecadd557fe3b1bb702f7ec544b7fef (patch)
treec51e24b269b50b8be90ebfba6da684130299fd5f /usr.bin/mandoc/man_term.c
parent38bc39e549b0c81b331434b77d2d88d38105392e (diff)
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.
Diffstat (limited to 'usr.bin/mandoc/man_term.c')
-rw-r--r--usr.bin/mandoc/man_term.c13
1 files changed, 12 insertions, 1 deletions
diff --git a/usr.bin/mandoc/man_term.c b/usr.bin/mandoc/man_term.c
index 131d552344b..1314cd519a5 100644
--- a/usr.bin/mandoc/man_term.c
+++ b/usr.bin/mandoc/man_term.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: man_term.c,v 1.126 2015/04/02 23:47:43 schwarze Exp $ */
+/* $OpenBSD: man_term.c,v 1.127 2015/04/04 11:43:53 schwarze Exp $ */
/*
* Copyright (c) 2008-2012 Kristaps Dzonsons <kristaps@bsd.lv>
* Copyright (c) 2010-2015 Ingo Schwarze <schwarze@openbsd.org>
@@ -531,6 +531,17 @@ 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;