[gtk-doc] mkhtml2: add tag converter for 'sbr'

[Stefan Sauer <stefkost src gnome org>]

commit 4170652f61d5933c27705f6c2f6893ea17ee6cb2
Author: Stefan Sauer <ensonic users sf net>
Date:   Tue May 8 21:48:44 2018 +0200

    mkhtml2: add tag converter for 'sbr'

 gtkdoc/mkhtml2.py |    5 +++++
 1 files changed, 5 insertions(+), 0 deletions(-)
---
diff --git a/gtkdoc/mkhtml2.py b/gtkdoc/mkhtml2.py
index 41785c6..b063fcf 100644
--- a/gtkdoc/mkhtml2.py
+++ b/gtkdoc/mkhtml2.py
@@ -861,6 +861,10 @@ def convert_row(ctx, xml):
     return result
 
 
+def convert_sbr(ctx, xml):
+    return ['<br>']
+
+
 def convert_sect1_tag(ctx, xml):
     return convert_sect(ctx, xml, 'h2')
 
@@ -1082,6 +1086,7 @@ convert_tags = {
     'replaceable': convert_em_code,
     'returnvalue': convert_span,
     'row': convert_row,
+    'sbr': convert_sbr,
     'screen': convert_pre,
     'sect1': convert_sect1_tag,
     'sect2': convert_sect2,