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-rw-r--r--giscanner/maintransformer.py3
1 files changed, 2 insertions, 1 deletions
diff --git a/giscanner/maintransformer.py b/giscanner/maintransformer.py
index fc59fa80..1a91c9fb 100644
--- a/giscanner/maintransformer.py
+++ b/giscanner/maintransformer.py
@@ -802,7 +802,8 @@ class MainTransformer(object):
(param, ) = unused
text = ", should be '%s'" % (param, )
else:
- text = ", should be one of %s" % (', '.join("'%s'" % p for p in unused), )
+ text = ", should be one of %s" % \
+ (', '.join("'%s'" % p for p in sorted(unused)), )
param = block.params.get(doc_name)
message.warn("%s: unknown parameter '%s' in documentation "