[PATCH] gitweb: Use descriptive names in esc_html_hl_regions()

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The $s->[0] and $s->[1] variables look a bit cryptic.  Let's rename them
to $beg and $end so that it's clear what they do.

Signed-off-by: Michał Kiedrowicz <michal.kiedrowicz@xxxxxxxxx>
---

> P.S. I wonder if it wouldn't be better if we created and used loop-local
> variables with descriptive names, e.g.
> 
>   my ($beg, $end) = @$s;
> 
> and use $beg in place of $s->[0] and $end in place of $s->[1], which are
> a bit cryptic.
> 
> This of course doesn't affect this patch.

Something like this? (patch not based on this series, may be applied
independently).

 gitweb/gitweb.perl |   10 ++++++----
 1 files changed, 6 insertions(+), 4 deletions(-)

diff --git a/gitweb/gitweb.perl b/gitweb/gitweb.perl
index a8b5fad..a3754ff 100755
--- a/gitweb/gitweb.perl
+++ b/gitweb/gitweb.perl
@@ -1738,12 +1738,14 @@ sub esc_html_hl_regions {
 	my $pos = 0;
 
 	for my $s (@sel) {
-		$out .= esc_html(substr($str, $pos, $s->[0] - $pos))
-			if ($s->[0] - $pos > 0);
+		my ($beg, $end) = @$s;
+
+		$out .= esc_html(substr($str, $pos, $beg - $pos))
+			if ($beg - $pos > 0);
 		$out .= $cgi->span({-class => $css_class},
-		                   esc_html(substr($str, $s->[0], $s->[1] - $s->[0])));
+		                   esc_html(substr($str, $beg, $end - $beg)));
 
-		$pos = $s->[1];
+		$pos = $end;
 	}
 	$out .= esc_html(substr($str, $pos))
 		if ($pos < length($str));
-- 
1.7.8.4

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