--- texi2dvi	2010/02/09 18:37:08	1.157
+++ texi2dvi	2010/03/30 23:13:37
@@ -1848,7 +1848,7 @@ 
 
   # If the COMMAND_LINE_FILENAME is not absolute (e.g., --debug.tex),
   # prepend `./' in order to avoid that the tools take it as an option.
-  echo "$command_line_filename" | $EGREP '^(/|[A-z]:/)' >&6 \
+  echo "$command_line_filename" | $EGREP '^(/|[A-Za-z]:/)' >&6 \
   || command_line_filename="./$command_line_filename"
 
   # See if the file exists.  If it doesn't we're in trouble since, even