patch 8.2.2606: strchars() defaults to counting composing characters
Problem: strchars() defaults to counting composing characters.
Solution: Add strcharlen() which ignores composing characters.
diff --git a/runtime/doc/usr_41.txt b/runtime/doc/usr_41.txt
index 8113bef..0d17298 100644
--- a/runtime/doc/usr_41.txt
+++ b/runtime/doc/usr_41.txt
@@ -611,7 +611,8 @@
stridx() first index of a short string in a long string
strridx() last index of a short string in a long string
strlen() length of a string in bytes
- strchars() length of a string in characters
+ strcharlen() length of a string in characters
+ strchars() number of characters in a string
strwidth() size of string when displayed
strdisplaywidth() size of string when displayed, deals with tabs
setcellwidths() set character cell width overrides