From aa8d73a3c1925789d03d78681b7c28b1d8c18c1b Mon Sep 17 00:00:00 2001
From: Wolfgang Bangerth <bangerth@math.tamu.edu>
Date: Sat, 13 Feb 2016 16:01:37 -0600
Subject: [PATCH] Separate authors by commas, avoid space at the end.

---
 doc/doxygen/scripts/code-gallery.pl | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/doc/doxygen/scripts/code-gallery.pl b/doc/doxygen/scripts/code-gallery.pl
index 8f37c3732c..f83aa6fdbc 100644
--- a/doc/doxygen/scripts/code-gallery.pl
+++ b/doc/doxygen/scripts/code-gallery.pl
@@ -39,9 +39,14 @@ foreach my $gallery (sort @ARGV)
     open AUTHOR, "<$gallery_dir/$gallery/doc/author";
     my $authors;
     while (my $line = <AUTHOR>) {
-        $authors .= $line;
+        chop $line;
+        $authors .= $line . ", ";
     }
 
+    # remove trailing whitespaces, as well as the trailing comma
+    chop $authors;
+    $authors =~ s/,$//;
+
     $gallery_underscore    =~ s/-/_/;
     print "  <dt><b>\@ref code_gallery_${gallery_underscore} \"$gallery\"</b> (by $authors)</dt>\n";
     print "    <dd>\n";
-- 
2.39.5