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-rw-r--r--mew.svnwiki5
1 files changed, 5 insertions, 0 deletions
diff --git a/mew.svnwiki b/mew.svnwiki
index 5984123..06c2f1c 100644
--- a/mew.svnwiki
+++ b/mew.svnwiki
@@ -117,6 +117,11 @@ If {{<form>>} is empty, behaves as {{(op _)}}, i.e. the identity function.
 Returns a new string composed by concatenating the strings given by
 applying {{display}} to all {{<args>}}.
 
+<syntax>(one-of <val>...)</syntax>
+
+Expands to a lambda expression that is true if its argument is
+{{equal?}} to any of the {{<val>}} passed.
+
 
 == I/O helpers