"sys/param.h is for kernel interface programs.

[mandoc.git] / mdoc_action.c

diff --git a/mdoc_action.c b/mdoc_action.c
index 928615aba89abc429c31773998b8858476f43427..5bdc2fcd4f316779f526686d0f1e4f2dae146259 100644 (file)
--- a/mdoc_action.c
+++ b/mdoc_action.c
@@ -1,4 +1,4 @@
-/*     $Id: mdoc_action.c,v 1.77 2010/07/26 13:45:49 kristaps Exp $ */
+/*     $Id: mdoc_action.c,v 1.78 2010/07/30 17:14:09 joerg Exp $ */
 /*
  * Copyright (c) 2008, 2009, 2010 Kristaps Dzonsons <kristaps@bsd.lv>
  *
@@ -660,6 +660,13 @@ post_bl_tagwidth(POST_ARGS)
                assert(MDOC_BLOCK == nn->type);
                nn = nn->head->child;
 
+               if (nn == NULL) {
+                       /* No -width for .Bl and first .It is emtpy */
+                       if ( ! mdoc_nmsg(m, n, MANDOCERR_NOWIDTHARG))
+                               return(0);
+                       break;
+               }
+
                if (MDOC_TEXT == nn->type) {
                        sz = strlen(nn->string) + 1;
                        break;