[PATCH 13/16] qapi: Merge adjacent untagged sections

[Markus Armbruster <armbru@redhat.com>]

The parser mostly doesn't create adjacent untagged sections, and
merging the ones it does create is hardly worth the bother.  I'm doing
it to avoid behavioral change in the next commit.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
---
 scripts/qapi/parser.py                   | 3 +++
 tests/qapi-schema/doc-empty-features.out | 2 --
 2 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/scripts/qapi/parser.py b/scripts/qapi/parser.py
index de2ce3ec2c..48cc9a6367 100644
--- a/scripts/qapi/parser.py
+++ b/scripts/qapi/parser.py
@@ -719,6 +719,9 @@ def _start_features_section(self, name: str) -> None:
         self._start_symbol_section(self.features, name)
 
     def _start_section(self, tag: Optional[str] = None) -> None:
+        if not tag and not self._section.tag:
+            # extend current section
+            return
         if tag in ('Returns', 'Since') and self.has_section(tag):
             raise QAPIParseError(self._parser,
                                  "duplicated '%s' section" % tag)
diff --git a/tests/qapi-schema/doc-empty-features.out b/tests/qapi-schema/doc-empty-features.out
index 0f85623dde..473f59552d 100644
--- a/tests/qapi-schema/doc-empty-features.out
+++ b/tests/qapi-schema/doc-empty-features.out
@@ -14,6 +14,4 @@ command foo None -> None
     gen=True success_response=True boxed=False oob=False preconfig=False
 doc symbol=foo
     body=
-
-    section=None
 not a description
-- 
2.43.0