From: Jeremy Harris <jgh@wizmail.org>
Date: Fri, 1 Jul 2022 20:47:44 +0000 (+0100)
Subject: Fix up "see also" entries in indexes, in HTML output.
X-Git-Url: https://git.exim.org/exim-website.git/commitdiff_plain/de2fd2d4a4953f5ae02420a4bbbc217388e3a691

Fix up "see also" entries in indexes, in HTML output.

Not perfect, but better than it was (it used to show
a link to the Intro chapter).
---

diff --git a/script/gen b/script/gen
index 91af773..e0627f3 100755
--- a/script/gen
+++ b/script/gen
@@ -335,8 +335,34 @@ sub build_indexes {
             my $primary   = $node->findvalue('child::primary');
             my $first     = ( $primary =~ /^[A-Za-z]/ ) ? uc( substr( $primary, 0, 1 ) ) : '';  # first letter or marker
             my $secondary = $node->findvalue('child::secondary') || '';
+	    my $see	  = $node->findvalue('child::see');
+	    my $see_also  = $node->findvalue('child::seealso');
+
             next unless ( $primary || $secondary );    # skip blank entries for now...
+
+	    if ( $see ) {
+	      # not perfect; the whole line ends up bold
+	      if ( $secondary ) {
+		$secondary .= '  see  ' . $see;
+	      } else {
+		$primary .= '  see  ' . $see;
+	      }
+	    } elsif ( $see_also ) {
+	      if ( $secondary ) {
+		$secondary .= '  see also  ' . $see_also;
+	      } else {
+		$primary .= '  see also  ' . $see_also;
+	      }
+	    }
+
             $index_hash->{$role}{$first}{$primary}{$secondary} ||= [];
+	    next if ( $see || $see_also );
+
+# JGH 2022/07/01
+# The $current_id being pushed here is presumably the section, given where the
+# hyperlink end up pointing to.  For bug 2889 we'd like to have something more
+# precise; tha presumably requires an anchor at the indexed point?
+
             push @{ $index_hash->{$role}{$first}{$primary}{$secondary} }, $current_id;
         }
         else {