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stop emitting warning about undefined variable $1 in the case of no leading text to trim from a line (i.e. $type is empty and there is no leading whitespace) 

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1528670 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Steven Rowe 2013-10-02 22:57:41 +00:00
parent b50a2edbb2
commit 2cb0a5c0da
1 changed files with 1 additions and 1 deletions
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lucene/site/changes/changes2html.pl
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@ -195,7 +195,7 @@ for (my $line_num = 0 ; $line_num <= $#lines ; ++$line_num) {
my $line;
my $item = $_;
$item =~ s/^(\s*\Q$type\E\s*)//; # Trim the leading bullet
my $leading_ws_width = length($1);
my $leading_ws_width = defined($1) ? length($1) : 0;
$item =~ s/\s+$//; # Trim trailing whitespace
$item .= "\n";