[gtk-doc] Add a long annotated parameter description (regression test for #613611)

[Stefan Kost <stefkost src gnome org>]

commit 7c6cf3d0931ef22c82d73fbfe0ca95c5cc4b1dc0
Author: Simon McVittie <simon mcvittie collabora co uk>
Date:   Mon Mar 22 17:08:18 2010 +0000

    Add a long annotated parameter description (regression test for #613611)

 tests/annotations/src/tester.c |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)
---
diff --git a/tests/annotations/src/tester.c b/tests/annotations/src/tester.c
index 71dad7f..8d9d24d 100644
--- a/tests/annotations/src/tester.c
+++ b/tests/annotations/src/tester.c
@@ -29,7 +29,8 @@ annotation_array_length (GObject *list,
 /**
  * annotation_nullable:
  * @uri: a uri
- * @label: (allow-none): an optional string
+ * @label: (allow-none): an optional string, which is used in ways too
+ *  complicated to describe in a single line, making it necessary to wrap it
  *
  * Document optional parameters.
  *