patch 9.0.1223: cannot use setcellwidths() below 0x100
Problem: Cannot use setcellwidths() below 0x100.
Solution: Also accept characters between 0x80 and 0x100. (Ken Takata,
closes #11834)
diff --git a/runtime/doc/builtin.txt b/runtime/doc/builtin.txt
index 3544b5d..a888ae0 100644
--- a/runtime/doc/builtin.txt
+++ b/runtime/doc/builtin.txt
@@ -7966,7 +7966,7 @@
{low} and {high} can be the same, in which case this refers to
one character. Otherwise it is the range of characters from
{low} to {high} (inclusive). *E1111* *E1114*
- Only characters with value 0x100 and higher can be used.
+ Only characters with value 0x80 and higher can be used.
{width} must be either 1 or 2, indicating the character width
in screen cells. *E1112*