Add color support to grodvi (for drawing colors are currently

translated to gray values).

* src/devices/grodvi/dvi.cc (FILL_MAX): Removed.
(dvi_printer): Add `cur_color' member.
(dvi_printer::set_color): New function.
(draw_dvi_printer): Remove `fill'.
(draw_dvi_printer::fill_next): Pass environment as parameter.
Update code for new color support translated to gray.
(dvi_printer::set_char): Updated.
(dvi_printer::begin_page, dvi_printer::end_page): Handle color
changes crossing the page border.
(dvi_printer::draw): Updated.
Remove cases `f' and `F'.
* tmac/dvi.tmac: Add color definitions.
* NEWS, src/devices/grodvi/grodvi.man: Updated.

* tmac/an-old.tmac (R): Make this a macro to emit a warning if
used incorrectly.

* aclocal.m4 (GROFF_NEED_DECLARATION): Use test similar to recent
versions of autoconf.
* configure: Updated.

* doc/homepage.ms: Use `.blm'.
* tmac/www.tmac (www-depth): New auxiliary variable.
(www-pop-level): Don't issue HTML tag.
(ULS, ULE, LI): Use absolute indentation.

* src/devices/grops/ps.cc (ps_printer::begin_page,
ps_printer::end_page): Switch forth and back to default color while
starting a new page.

1 files changed, 3 insertions, 1 deletions

diff --git a/aclocal.m4 b/aclocal.m4
index 1fde4e4c..5c47115c 100644
--- a/aclocal.m4
+++ b/aclocal.m4
@@ -492,7 +492,9 @@ AC_CACHE_VAL(groff_cv_decl_needed_$1,
 #ifdef HAVE_MATH_H
 #include <math.h>
 #endif],
-[char *(*pfn) = (char *(*)) $1],
+[#ifndef $1
+  char *p = (char *) $1;
+#endif],
 groff_cv_decl_needed_$1=no,
 groff_cv_decl_needed_$1=yes)])
 AC_MSG_RESULT($groff_cv_decl_needed_$1)