Documentation/sphinx: nicer referencing of struct in docbook->rst conversion

Add "struct" in the label of the reference.
Signed-off-by: Jani Nikula <jani.nikula@intel.com>

Documentation/sphinx/convert_template.sed

@@ -2,12 +2,16 @@
 # Pandoc doesn't grok <function> or <structname>, so convert them
 # ahead of time.
 #
-# Use "$bq" instead of "`" so that pandoc won't mess with it.
+# Use the following escapes to pass through pandoc:
+#	$bq = "`"
+#	$lt = "<"
+#	$gt = ">"
 #
 s%<function>\([^<(]\+\)()</function>%:c:func:$bq\1()$bq%g
 s%<function>\([^<(]\+\)</function>%:c:func:$bq\1()$bq%g
-s%<structname>struct *\([^<]\+\)</structname>%:c:type:$bq\1$bq%g
-s%<structname>\([^<]\+\)</structname>%:c:type:$bq\1$bq%g
+s%<structname>struct *\([^<]\+\)</structname>%:c:type:$bqstruct \1 $lt\1$gt$bq%g
+s%struct <structname>\([^<]\+\)</structname>%:c:type:$bqstruct \1 $lt\1$gt$bq%g
+s%<structname>\([^<]\+\)</structname>%:c:type:$bqstruct \1 $lt\1$gt$bq%g
 #
 # Wrap docproc directives in para and code blocks.
 #

Documentation/sphinx/post_convert.sed

 #
-# pandoc thinks that both "_" needs to be escaped.  Remove the extra
-# backslashes.  Also put in proper backquotes now that pandoc won't quote
-# them.
+# Unescape.
 #
 s/$bq/`/g
+s/$lt/</g
+s/$gt/>/g
+#
+# pandoc thinks that both "_" needs to be escaped.  Remove the extra
+# backslashes.
+#
 s/\\_/_/g
 #
 # Unwrap docproc directives.