Remove crufty whitespace in a block of index entries.
Minor, but generates slightly smaller HTML & makes it easier to see what's
happening when debugging the HTML.
diff --git a/Doc/perl/python.perl b/Doc/perl/python.perl
index 88f2aa5..9bd22fd 100644
--- a/Doc/perl/python.perl
+++ b/Doc/perl/python.perl
@@ -441,6 +441,7 @@
     my $stuff = next_argument();
     my $br_id = ++$globals{'max_id'};
     my $marker = "$O$br_id$C";
+    $stuff =~ s/^\s+//;
     return
       $stuff
       . "\\setindexsubitem$marker$oldsubitem$marker"