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-rw-r--r--mew.svnwiki4
1 files changed, 4 insertions, 0 deletions
diff --git a/mew.svnwiki b/mew.svnwiki
index 6a8432f..5722d8c 100644
--- a/mew.svnwiki
+++ b/mew.svnwiki
@@ -124,6 +124,10 @@ As in R7RS-small.
 
 Evaluate {{<expr>}} while {{<cond>}} is true/false.
 
+<syntax>(xcond <cases>...)<syntax>
+
+Like {{cond}}, but raise error if no case matched.
+
 
 == Numeric helpers