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-rw-r--r--runtime/doc/map.txt4
1 files changed, 4 insertions, 0 deletions
diff --git a/runtime/doc/map.txt b/runtime/doc/map.txt
index 37158e2e76..ad7901b962 100644
--- a/runtime/doc/map.txt
+++ b/runtime/doc/map.txt
@@ -1730,8 +1730,12 @@ remains unmodified. Also see |f-args-example| below. Overview:
XX a\\\ b 'a\ b'
XX a\\\\b 'a\\b'
XX a\\\\ b 'a\\', 'b'
+ XX [nothing]
+Note that if the "no arguments" situation is to be handled, you have to make
+sure that the function can be called without arguments.
+
Examples for user commands: >
" Delete everything after here to the end