Compress consecutive spaces and tabs down to one space. Saves about 40k bytes.

cmd/xfe/ad2c

@@ -11,14 +11,44 @@
 #		with Sun sed, of course.
 #	7 Jan 1992: matthew@sunpix.East.Sun.COM (Matthew Stier)
 #		Escape quotes after escaping backslashes.
+#       8 Jul 1992: Version 1.6
+#               Manpage fixes.
+#       19 Apr 1993: Version 1.7
+#               Remove comments that were inside the sed command since
+#               some versions of sed don't like them. The comments are
+#               now given here in the header.
+#
+# Comments on the script by line:
+# /^!/d         Remove comments
+# /^$/d         Remove blanks
+# s/\\/\\\\/g   Escape backslashes...
+# s/\\$//g      ...except the line continuation ones
+# s/"/\\"/g     Escape quotes
+# s/^/"/        Add leading quote
+# : test        Establish label for later branch
+# /\\$/b slash  Branch to label "slash" if line ends in backslash
+# s/$/",/       Otherwise add closing quote and comma...
+# p             ...output the line...
+# d             ...and clear the pattern space so it's not printed again
+# : slash       Branch comes here if line ends in backslash
+# n             Read next line, append to pattern space
+# [...]         The "d" and "s" commands that follow just delete
+#               comments and blank lines and escape control sequences
+# b test        Branch up to see if the line ends in backslash or not
+#
 #
 #   This file has been included with permission from the author.
 #   Fri Mar  6 01:40:58 PST 1998
 #
+# XFE additions:
+# y/	/ /     Replace tabs with spaces
+# s/  */ /g     Compress consecutive spaces down to one space
 
 sed '
 /^!/d
 /^$/d
+y/	/ /
+s/  */ /g
 s/\\/\\\\/g
 s/\\$//g
 s/"/\\"/g
@@ -32,6 +62,8 @@ d
 n
 /^!/d
 /^$/d
+y/	/ /
+s/  */ /g
 s/"/\\"/g
 s/\\\\/\\/g
 s/\\n/\\\\n/g
@@ -39,3 +71,4 @@ s/\\t/\\\\t/g
 s/\\f/\\\\f/g
 s/\\b/\\\\b/g
 b test' "$@"
+