Accomodate (libman) for next-line macros followed by non-text macros `na', `sp', and `br'.

Based on a patch by Ingo Schwarze.

1 files changed, 35 insertions, 4 deletions

diff --git a/man.c b/man.c
index c3e5a894..d823a5d1 100644
--- a/man.c
+++ b/man.c
@@ -1,4 +1,4 @@
-/*	$Id: man.c,v 1.49 2010/01/07 10:24:43 kristaps Exp $ */
+/*	$Id: man.c,v 1.50 2010/03/22 05:59:32 kristaps Exp $ */
 /*
  * Copyright (c) 2008, 2009 Kristaps Dzonsons <kristaps@kth.se>
  *
@@ -534,15 +534,29 @@ man_pmacro(struct man *m, int ln, char *buf)
 		if ( ! man_pwarn(m, ln, i - 1, WTSPACE))
 			goto err;
 
-	/* Remove prior ELINE macro, if applicable. */
+	/* 
+	 * Remove prior ELINE macro, as a macro is clobbering it by
+	 * being invoked without prior text.  Note that NSCOPED macros
+	 * do not close out ELINE macros, as they print no text.
+	 */
 
-	if (m->flags & MAN_ELINE) {
+	if (m->flags & MAN_ELINE && 
+			! (MAN_NSCOPED & man_macros[c].flags)) {
 		n = m->last;
 		assert(NULL == n->child);
 		assert(0 == n->nchild);
 		if ( ! man_nwarn(m, n, WLNSCOPE))
 			return(0);
 
+		/* FIXME: when called as in:
+		 *
+		 * .B
+		 * .br
+		 * .B
+		 * .br
+		 * hello
+		 */
+
 		if (n->prev) {
 			assert(n != n->parent->child);
 			assert(n == n->prev->next);
@@ -568,8 +582,25 @@ man_pmacro(struct man *m, int ln, char *buf)
 		goto err;
 
 out:
-	if ( ! (MAN_BLINE & fl))
+	/* 
+	 * We weren't in a block-line scope when entering the
+	 * above-parsed macro, so return.
+	 */
+
+	if ( ! (MAN_BLINE & fl)) {
+		m->flags &= ~MAN_ILINE; 
 		return(1);
+	}
+
+	/*
+	 * If we're in a block scope, then allow this macro to slip by
+	 * without closing scope around it.
+	 */
+
+	if (MAN_ILINE & m->flags) {
+		m->flags &= ~MAN_ILINE;
+		return(1);
+	}
 
 	/* 
 	 * If we've opened a new next-line element scope, then return