docs/sphinx/qmp_lexer: Highlight elisions like comments, not prompts

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-ID: <20250404121413.1743790-8-armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>

docs/sphinx/qmp_lexer.py

@@ -24,7 +24,7 @@ class QMPExampleMarkersLexer(RegexLexer):
         'root': [
             (r'-> ', token.Generic.Prompt),
             (r'<- ', token.Generic.Prompt),
-            (r'\.{3}( .* \.{3})?', token.Generic.Prompt),
+            (r'\.{3}( .* \.{3})?', token.Comment.Multiline),
         ]
     }