From f118f0a6bcf25f609ab371b587361929c27baa31 Mon Sep 17 00:00:00 2001
From: Timo Heister <timo.heister@gmail.com>
Date: Wed, 8 Aug 2018 17:18:10 +0200
Subject: [PATCH] allow doxygen links for step-xyb

---
 doc/doxygen/scripts/filter | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/doc/doxygen/scripts/filter b/doc/doxygen/scripts/filter
index b1d41fa501..16666a2a7a 100755
--- a/doc/doxygen/scripts/filter
+++ b/doc/doxygen/scripts/filter
@@ -82,12 +82,12 @@ while (<>)
     # - things like step-12.solution.png that typically appear in
     #   @image commands.
     # - things in headings
-    s/(?<![\"\\\/])step-(\d+)(?!\")/\@ref step_\1 \"step-\1\"/gi
+    s/(?<![\"\\\/])step-(\w+)(?!\")/\@ref step_\1 \"step-\1\"/gi
         if !m/(\@page|\<img|\@image|<h\d>)/i;
 
     # If step-xx was explicitly escaped with a backslash, remove the
     # latter
-    s/\\(step-\d+)/\1/g;
+    s/\\(step-\w+)/\1/g;
 
     # doxygen version 1.7.1 and later have the habit of thinking that
     # everything that starts with "file:" is the beginning of a link,
-- 
2.39.5