doc fixes

git-svn-id: svn://tug.org/texlive/trunk@15744 c570f23f-e606-0410-a88d-b1316a301751

1 files changed, 10 insertions, 2 deletions

diff --git a/Master/tlpkg/libexec/place b/Master/tlpkg/libexec/place
index 5b0d796e4ab..89fd94e90cc 100755
--- a/Master/tlpkg/libexec/place
+++ b/Master/tlpkg/libexec/place
@@ -131,13 +131,21 @@ if (!defined($tlpold)) {
   #
   my $diff_file = "$tmpfile.diff";
   unlink ($diff_file);
+  #
+  # The --text is because we want to see the real changes, always.
+  # The space-related options are because those changes aren't real.
+  # (The diff is only run if the files are different according to our
+  #  own test, so it's ok if the options eliminate all the diffs; it'll
+  #  still get reported as needing an update.)
+  # The -s reports identical files.
+  # 
   my $diff_cmd = "diff --text --strip-trailing-cr --ignore-all-space -U 0 -s";
   #
   for my $f (@difffiles) {
     my $master_file = "$M/$f";
     my $cooked_file = "$cooked/$package/$f";
-    # diff has no options for handling Mac line endings; the above
-    # don't suffice.  So use our own script for the initial comparison.
+    # diff has no options for handling Mac line endings, 
+    # so use our own script for the initial comparison.
     if (system ("cmp-textfiles '$master_file' '$cooked_file'") == 0) {
       $identical++;
     } else {