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

[Stefan Sauer <stefkost src gnome org>]

commit 752c6f591254c310c392e00765be7c1d88ff9428
Author: Stefan Sauer <ensonic users sf net>
Date:   Wed Apr 11 22:09:52 2018 +0200

    mkhtml2: add separate tag converter for 'emphasis'
    
    It uses span+em tags.

 gtkdoc/mkhtml2.py |   11 ++++++++++-
 1 files changed, 10 insertions(+), 1 deletions(-)
---
diff --git a/gtkdoc/mkhtml2.py b/gtkdoc/mkhtml2.py
index d826205..5c5165e 100644
--- a/gtkdoc/mkhtml2.py
+++ b/gtkdoc/mkhtml2.py
@@ -429,6 +429,15 @@ def convert_div(ctx, xml):
     return result
 
 
+def convert_emphasis(ctx, xml):
+    result = ['<span class="emphasis"><em>']
+    append_text(xml.text, result)
+    convert_inner(ctx, xml, result)
+    result.append('</em></span>')
+    append_text(xml.tail, result)
+    return result
+
+
 def convert_em_class(ctx, xml):
     result = ['<em class="%s"><code>' % xml.tag]
     append_text(xml.text, result)
@@ -911,7 +920,7 @@ convert_tags = {
     'constant': convert_code,
     'command': convert_command,
     'corpauthor': convert_corpauthor,
-    'emphasis': convert_span,
+    'emphasis': convert_emphasis,
     'entry': convert_entry,
     'envar': convert_code,
     'footnote': convert_footnote,