--- texi2dvi	2008-02-20 02:27:19.000000000 -0500
+++ texi2dvi	2008-03-10 16:10:06.000000000 -0400
@@ -99,6 +99,8 @@
   -t, --command=CMD          insert CMD in copy of input file
    or --texinfo=CMD          multiple values accumulate
       --translate-file=FILE  use given charset translation file for TeX
+      --viewer=CMD           invoke CMD on the rendered DVI or PDF file
+                             after processing is complete
 
 Build modes:
   --build=MODE         specify the treatment of auxiliary files [$build_mode]
@@ -172,6 +174,7 @@
 verb=false      # true for verbose mode
 translate_file= # name of charset translation file
 recode_from=    # if not empty, recode from this encoding to @documentencoding
+viewer=         # if not empty, run on rendered file after processing completes
 
 orig_pwd=`pwd`
 
@@ -1416,6 +1419,7 @@
     --tidy) build_mode=tidy;;
     -v | --vers*) echo "$version"; exit 0;;
     -V | --verb*) verb=true;;
+    --viewer ) shift; viewer="$1";;
     --) # What remains are not options.
       shift
       while test x"$1" != x"$arg_sep"; do
@@ -1654,6 +1658,9 @@
       # Compile the document.
       compile
       cleanup
+      if [ -n "$viewer" ]; then
+	($viewer $out_name < /dev/null &)  # background it and forget it
+      fi
       ;;
 
     mostly-clean)