From d16b2e5239f51485e63e27b1b8700611377e0d9f Mon Sep 17 00:00:00 2001
From: Mischa POSLAWSKY <perl@shiar.org>
Date: Thu, 31 Jul 2008 23:57:38 +0000
Subject: [PATCH] prefer single quotes in perl code

Following Perl Best Practices: use single quotes (q//) if no
interpretation is expected.
---
 index.plp | 72 +++++++++++++++++++++++++++----------------------------
 1 file changed, 36 insertions(+), 36 deletions(-)

diff --git a/index.plp b/index.plp
index 592d5d5..602eefc 100644
--- a/index.plp
+++ b/index.plp
@@ -2,22 +2,22 @@
 use utf8;
 use strict;
 use warnings;
-no  warnings "qw";  # you know what you doing
-no  warnings "uninitialized";  # save some useless checks for more legible code
+no  warnings 'qw';  # you know what you doing
+no  warnings 'uninitialized';  # save some useless checks for more legible code
 
-our $VERSION = "1.1";
+our $VERSION = '1.1';
 
 our $ascii = 0;
 if (exists $get{ascii}) {
-	$ascii = $get{ascii} ne "0";  # manual override
+	$ascii = $get{ascii} ne '0';  # manual override
 } elsif (defined $ENV{HTTP_ACCEPT_CHARSET}) {
 	$ascii = 1;
-	for (split ",", $ENV{HTTP_ACCEPT_CHARSET}) {
-		$ascii = 0, last if $_ eq "*" or m/utf-?8/i;
+	for (split q{,}, $ENV{HTTP_ACCEPT_CHARSET}) {
+		$ascii = 0, last if $_ eq '*' or m{utf-?8}i;
 	}
 }
 
-my $charset = $ascii ? "us-ascii" : "utf-8";
+my $charset = $ascii ? 'us-ascii' : 'utf-8';
 my $ctype = "text/html; charset=$charset";
 $header{content_type} = $ctype;
 
@@ -32,15 +32,15 @@ $header{content_type} = $ctype;
 <!--[if lte IE 6]><style> .help dl.legend dt {margin:0 0 1px} </style><![endif]-->
 <!--[if lte IE 7]><style> .help dl.legend dd {float:none} </style><![endif]--><:
 	my %styles = map {$_ => $_} qw(dark circus mono terse);
-	our $style = exists $get{style} && $styles{$get{style}} || "light";
+	our $style = exists $get{style} && $styles{$get{style}} || 'light';
 	printf(qq{\n<link rel="%s" type="text/css" media="all" href="%s" title="%s">},
-		$_ eq $style ? "stylesheet" : "alternate stylesheet", "$_.css", $_
+		$_ eq $style ? 'stylesheet' : 'alternate stylesheet', "$_.css", $_
 	) for keys %styles;
 
-	our $showkeys = exists $get{keys} && $get{keys} ne "0";
+	our $showkeys = exists $get{keys} && $get{keys} ne '0';
 	print "\n<style> .no {visibility:hidden} </style>" unless $showkeys;
 	print "\n<style> .no, .alias {opacity:.5} </style>"
-		if $showkeys and $get{keys} eq "ghost";
+		if $showkeys and $get{keys} eq 'ghost';
 :>
 
 <script><!--
@@ -87,24 +87,24 @@ function setmode(classname) {
 
 <:
 our %sign = (
-	arg    => $ascii ? "." : "·",  # described as 'dot'
-	motion => $ascii ? "|" : "↕",
-	alias  => $ascii ? "see: " : "»",
-	up     => $ascii ? "up"    : "▲",
-	right  => $ascii ? "right" : "▶",
-	down   => $ascii ? "down"  : "▼",
-	left   => $ascii ? "left"  : "◀",
-	sep    => $ascii ? "*"     : "•",
-	_      => exists $get{ascii} && !$ascii ? "\x{200b}" : "<wbr>",
+	arg    => $ascii ? '.' : '·',  # described as 'dot'
+	motion => $ascii ? '|' : '↕',
+	alias  => $ascii ? 'see: ' : '»',
+	up     => $ascii ? 'up'    : '▲',
+	right  => $ascii ? 'right' : '▶',
+	down   => $ascii ? 'down'  : '▼',
+	left   => $ascii ? 'left'  : '◀',
+	sep    => $ascii ? '*'     : '•',
+	_      => exists $get{ascii} && !$ascii ? "\x{200b}" : '<wbr>',
 		# use the correct ZWNJ only when unicode is forced on
 		# default to use unofficial html for best support
 );
 
-my %keys = do "vim-cmds.inc.pl";
+my %keys = do 'vim-cmds.inc.pl';
 
 my @casedesc = qw(ctrl shift);
 my @rowdesc = qw(numeric top home bottom);
-my %keyrows = do "vim-keys.inc.pl";
+my %keyrows = do 'vim-keys.inc.pl';
 
 sub keyunalias {
 	my ($key, %tree) = @_;
@@ -125,7 +125,7 @@ sub escapeclass {
 	return $_;
 }
 
-our $map = defined $keyrows{$get{map}} ? $get{map} : "qwerty";
+our $map = defined $keyrows{$get{map}} ? $get{map} : 'qwerty';
 my $keyrows = $keyrows{$map};
 
 for (my $row = 0; $row <= $#$keyrows; $row++) {
@@ -138,24 +138,24 @@ for (my $row = 0; $row <= $#$keyrows; $row++) {
 
 			printf(qq{\t<li%s><h3>%s</h3>\n}, # XXX insert &nbsp; here to fix msie<=6
 				$mode eq '' ? '' : sprintf(
-					' class="%s"', "mode mode" . escapeclass($mode)
+					' class="%s"', 'mode mode' . escapeclass($mode)
 				),
 				sprintf('%s<small>: %s</small>',
 					$modekeys->{desc} || "mode $mode",
 					"$rowdesc[$row] row $casedesc[$case]"
 				)
 			);
-			my $modeclass = "keys";
-			   $modeclass .= " lead" if defined $modekeys->{lead};  # leading command key shown
+			my $modeclass = 'keys';
+			   $modeclass .= ' lead' if defined $modekeys->{lead};  # leading command key shown
 			   $modeclass .= " $casedesc[$case]" if defined $casedesc[$case];
 			print qq{\t\t<ul class="$modeclass">\n};
 
 			for my $key (@$keycase) {
 				my $keyinfo = $modekeys->{$key};
-				$keyinfo = [ $sign{alias}.$keyinfo, keyunalias($keyinfo)->[1] . " alias" ]
+				$keyinfo = [ $sign{alias}.$keyinfo, keyunalias($keyinfo)->[1] . ' alias' ]
 					if defined $keyinfo and not ref $keyinfo;  # alias
 				my ($desc, $flags, $mnem) = @$keyinfo if defined $keyinfo;
-				defined $desc or $flags = $key eq '^0' ? "ni" : "no";
+				defined $desc or $flags = $key eq '^0' ? 'ni' : 'no';
 
 				my $keytxt = $modekeys->{lead} . Entity($key) if $key ne '^0';
 				   $keytxt .= $sign{arg} while $flags =~ s/ ?\barg\b//;  # argument
@@ -163,7 +163,7 @@ for (my $row = 0; $row <= $#$keyrows; $row++) {
 				   $keytxt =~ s{\^(?=.)}{<small>^</small>};  # element around ctrl-identifier
 				my $onclick = $flags =~ s/ ?\bmode(\S*)// && defined $keys{$1} && sprintf(
 					' onclick="setmode(%s)"',
-					$1 eq '' ? '' : sprintf("'mode%s'", escapeclass($1))
+					$1 eq '' ? '' : sprintf(q{'mode%s'}, escapeclass($1))
 				);
 				my $keyhint = defined($mnem) && qq{ title="$mnem"};
 
@@ -220,15 +220,15 @@ for (my $row = 0; $row <= $#$keyrows; $row++) {
 
 		<ul class="legend legend-set">
 		<li>keyboard <strong>map</strong> is
-			<:= $get{map} ? "set to " : "" :><em><:= $map :></em>
+			<:= $get{map} ? 'set to ' : '' :><em><:= $map :></em>
 		<li><strong>ascii</strong> mode is
-			<:= exists $get{ascii} ? "forced " : "" :><em><:=
-				$ascii ? "on" : "off" :></em>
+			<:= exists $get{ascii} ? 'forced ' : '' :><em><:=
+				$ascii ? 'on' : 'off' :></em>
 		<li><strong>keys</strong> are
-			<em><:= $showkeys ? "always shown" : "hidden if unassigned" :></em><:=
-				exists $get{keys} ? "" : " by default" :>
+			<em><:= $showkeys ? 'always shown' : 'hidden if unassigned' :></em><:=
+				exists $get{keys} ? '' : ' by default' :>
 		<li>default <strong>style</strong> is
-			<:= defined $get{style} ? "set to " : "" :><em><:= $style :></em>
+			<:= defined $get{style} ? 'set to ' : '' :><em><:= $style :></em>
 		</ul>
 	</div>
 </div>
@@ -241,7 +241,7 @@ for (my $row = 0; $row <= $#$keyrows; $row++) {
 	   href="http://www.fsf.org/licensing/licenses/agpl-3.0.html">AGPLv3</a> <:= $sign{sep} :>
 	last update <:
 		use Time::Format qw(time_format);
-		print time_format("yyyy-mm-dd", (stat "vim-cmds.inc.pl")[9]);
+		print time_format('yyyy-mm-dd', (stat 'vim-cmds.inc.pl')[9]);
 	:>
 </p>
 
-- 
2.30.0