Try to fix the broken links caused by multiple \ref on the same line.
SF bug #217195.
Not sure if chomp() is correct, but chop() definitely has problems.
This change seems to have no ill effects.
Backport candidate if Fred agrees.
diff --git a/Doc/tools/node2label.pl b/Doc/tools/node2label.pl
index a3c6c84..6491b20 100755
--- a/Doc/tools/node2label.pl
+++ b/Doc/tools/node2label.pl
@@ -49,7 +49,7 @@
shift @parts;
for $node (@parts) {
$node =~ s/[\#\"\'].*$//g;
- chop($node);
+ chomp($node);
if (defined($nodes{$node})) {
$label = $nodes{$node};
if (s/(HREF|href)=([\"\'])$node([\#\"\'])/href=$2$label.html$3/g) {