* src/roff/troff/input.cc (default_black): Define default color

`black' if not yet defined.

2 files changed, 18 insertions, 2 deletions

diff --git a/ChangeLog b/ChangeLog
index 77909479..bfe43fc9 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2001-12-14  Werner LEMBERG  <wl@gnu.org>
+
+	* src/roff/troff/input.cc (default_black): Define default color
+	`black' if not yet defined.
+
 2001-12-13  Werner LEMBERG  <wl@gnu.org>
 
 	Implement new string-valued register `.fn' to return the current
diff --git a/src/roff/troff/input.cc b/src/roff/troff/input.cc
index b145a218..1baeea24 100644
--- a/src/roff/troff/input.cc
+++ b/src/roff/troff/input.cc
@@ -1026,8 +1026,19 @@ static color *lookup_color(symbol nm)
 
 static color *default_black(color *c)
 {
-  if (c == 0)
-    return lookup_color(symbol("black"));
+  symbol b = symbol("black");
+  if (c == 0) {
+    color *black = (color *)color_dictionary.lookup(b);
+    if (black == 0) {
+      warning(WARN_COLOR, "default color `black' not defined");
+      color *tem = new color;
+      tem->set_cmyk((unsigned int)0, (unsigned int)0,
+		    (unsigned int)0, (unsigned int)0);
+      return (color *)color_dictionary.lookup(b, tem);
+    }
+    else
+      return black;
+  }
   else
     return c;
 }