gitweb: Quote non-displayable characters in hex, not octal

For the last 30 years, the mankind uses the octal representation of
characters only in rare cases and most character codes are hardly
recognizable in octal. In contrast, many programmers still know
hexadecimal well and that is also the representation of choice e.g.
for Unicode codepoints.

Signed-off-by: Petr Baudis <redacted>
Signed-off-by: Shawn O. Pearce <redacted>

diff --git a/gitweb.perl b/gitweb.perl
index 2efd43719c8785b23b96841ed7f997e3363be810f6b8030488cddc913808d705..5ac2233929773b7cf14348f23a1e2893372a5d9cbaae1f5aba77be68c2561fc4 100755 (executable)
--- a/gitweb.perl
+++ b/gitweb.perl
@@ -776,7 +776,7 @@ sub quot_cec {
        );
        my $chr = ( (exists $es{$cntrl})
                    ? $es{$cntrl}
        );
        my $chr = ( (exists $es{$cntrl})
                    ? $es{$cntrl}

-                   : sprintf('\%03o', ord($cntrl)) );
+                   : sprintf('\%2x', ord($cntrl)) );

        if ($opts{-nohtml}) {
                return $chr;
        } else {
        if ($opts{-nohtml}) {
                return $chr;
        } else {