txt2latex.pl: don't put _ in labels

This doesn't work well if _ is redefined, and is easy to avoid.

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>

git-svn-id: https://tools.oasis-open.org/version-control/svn/virtio@112 0c8fb4dd-22a2-4bb5-bc14-6c75a5f43652

1 files changed, 2 insertions, 0 deletions

diff --git a/txt2latex.pl b/txt2latex.pl
index 5e04ef1..5732fe5 100755
--- a/txt2latex.pl
+++ b/txt2latex.pl
@@ -105,6 +105,8 @@ for ($s = 0; $s <= $#sections; $s++) {
 		last if (not defined $latest_by_depth{$#path - $i});
 		$label = "$latest_by_depth{$#path - $i} / $label";
 	}
+	#It's best to avoid underscore in labels
+	$label =~ s/_/-/g;
 	$text[$l] = $type . "{$name}\\label{sec:$label}\n";
 	$label_by_section{$section} = $label;
 }