X-Git-Url: https://diplodocus.org/git/nmh/blobdiff_plain/4d0e01fe1da830a6e8fdf13bd6bc21603642d5da..43a65e9777214029046fe7a1427493e6e503a717:/test/common.sh.in

diff --git a/test/common.sh.in b/test/common.sh.in
index b373b2f1..6c9652ce 100644
--- a/test/common.sh.in
+++ b/test/common.sh.in
@@ -126,15 +126,16 @@ check_for_hard_links () {
   set -e
 }
 
-#### Filter that squeezes blank lines, emulating GNU cat -s.
+#### Filter that squeezes blank lines, partially emulating GNU cat -s,
+#### but sufficient for our purpose.
+#### From http://www-rohan.sdsu.edu/doc/sed.html, compiled by Eric Pement.
 squeeze_lines() {
-  awk '!length && e {next} {e = !length} 1'
+  sed '/^$/N;/\n$/D'
 }
 
-#### Filter that inserts initial whitespace and converts non-breakable
-#### space U+00A0 to an ASCII space.
+#### Filter that converts non-breakable space U+00A0 to an ASCII space.
 prepare_space() {
-  sed 's/^/ /; s/'"`printf '\\302\\240'`"'/ /g'
+  sed 's/'"`printf '\\302\\240'`"'/ /g'
 }
 
 #### check() requires two arguments, each the name of a file to be