incdec: Remove unused variable `$previous_point_position`

Turns out this wasn't needed.

1 files changed, 0 insertions, 2 deletions

diff --git a/incdec.pm b/incdec.pm
index bcf62e0..9772cb8 100644
--- a/incdec.pm
+++ b/incdec.pm
@@ -15,7 +15,6 @@ sub incdec {
 	# rather than only part of its digits.
 	my $line_start = '';
 	my $line_part = $line;
-	my $previous_point_position = 0;
 	while ($point_position < length($line_part)) {
 		$line_part =~ /(\d+)/;
 		if ($-[0] <= $point_position && $point_position < $+[0]) {
@@ -27,7 +26,6 @@ sub incdec {
 		if ($point_position >= $+[0]) {
 			$line_start .= substr($line_part, 0, $+[0]);
 			$line_part = substr($line_part, $+[0]);
-			$previous_point_position = $point_position;
 			$point_position -= $+[0];
 
 			next;