patch 8.2.3522: cannot use \x and \u when setting 'listchars'
Problem: Cannot use \x and \u when setting 'listchars'.
Solution: Support hex and unicode in hex form. (closes #9006)
diff --git a/runtime/doc/options.txt b/runtime/doc/options.txt
index 6750479..735e1c1 100644
--- a/runtime/doc/options.txt
+++ b/runtime/doc/options.txt
@@ -4978,6 +4978,13 @@
be used when 'encoding' is "utf-8", otherwise only printable
characters are allowed. All characters must be single width.
+ Each character can be specified as hex: >
+ set listchars=eol:\\x24
+ set listchars=eol:\\u21b5
+ set listchars=eol:\\U000021b5
+< Note that a double backslash is used. The number of hex characters
+ must be exactly 2 for \\x, 4 for \\u and 8 for \\U.
+
Examples: >
:set lcs=tab:>-,trail:-
:set lcs=tab:>-,eol:<,nbsp:%