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-rw-r--r--runtime/doc/usr_41.txt1
1 files changed, 1 insertions, 0 deletions
diff --git a/runtime/doc/usr_41.txt b/runtime/doc/usr_41.txt
index 235925c033..0c907bfb68 100644
--- a/runtime/doc/usr_41.txt
+++ b/runtime/doc/usr_41.txt
@@ -606,6 +606,7 @@ String manipulation: *string-functions*
strtrans() translate a string to make it printable
tolower() turn a string to lowercase
toupper() turn a string to uppercase
+ charclass() class of a character
match() position where a pattern matches in a string
matchend() position where a pattern match ends in a string
matchfuzzy() fuzzy matches a string in a list of strings