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-rw-r--r--runtime/doc/builtin.txt3
-rw-r--r--runtime/doc/options.txt2
2 files changed, 5 insertions, 0 deletions
diff --git a/runtime/doc/builtin.txt b/runtime/doc/builtin.txt
index 447f1c89e2..b80bedfac5 100644
--- a/runtime/doc/builtin.txt
+++ b/runtime/doc/builtin.txt
@@ -6837,6 +6837,9 @@ setcellwidths({list}) *setcellwidths()*
range overlaps with another.
Only characters with value 0x100 and higher can be used.
+ If the new value causes 'fillchars' or 'listchars' to become
+ invalid it is rejected and an error is given.
+
To clear the overrides pass an empty list: >
setcellwidths([]);
diff --git a/runtime/doc/options.txt b/runtime/doc/options.txt
index 28922e9c7f..f0977c91de 100644
--- a/runtime/doc/options.txt
+++ b/runtime/doc/options.txt
@@ -591,6 +591,8 @@ A jump table for the options with a short description can be found at |Q_op|.
"double": Use twice the width of ASCII characters.
*E834* *E835*
The value "double" cannot be used if 'listchars' or 'fillchars'
+ contains a character that would be double width. These errors may
+ also be given when calling setcellwidths().
The values are overruled for characters specified with
|setcellwidths()|.