if ($char eq $quote_chars[-1]) {
pop(@quote_chars);
} elsif (length $quote_chars[-1] > 1
- && substr($quote_chars[-1], 0, 1) eq $char
&& substr($_, $i, length $quote_chars[-1]) eq $quote_chars[-1]) {
$i += length $quote_chars[-1] - 1;
$char = $quote_chars[-1];
if (($char eq "'") || ($char eq "\"")) {
push(@quote_chars, $char);
- } elsif ($char eq '$' # start of dollar quoting
- && ($tag_end = index($_, '$', $i + 1)) > -1 # ends on same line
- && (do { substr($_, $i + 1, $tag_end - $i - 1); 1 }) # extract tag
- && $tag =~ /^ (?= [A-Za-z_] [A-Za-z0-9_]* | ) $/x) { # tag is identifier
+ } elsif ($char eq '$' # start of dollar quoting
+ && ($tag_end = index($_, '$', $i + 1)) > -1 # ends on same line
+ && (do { $tag = substr($_, $i + 1, $tag_end - $i - 1); 1 }) # extract tag
+ && $tag =~ /^ (?= [A-Za-z_] [A-Za-z0-9_]* | ) $/x) { # tag is identifier
push @quote_chars, $char = '$' . $tag . '$';
$i = $tag_end;
} elsif ($char eq ";") {