Re: a double-width character can transgress to the next row

[Benno Schulenberg]

> On Tue, Apr 14, 2020 at 02:23:36PM +0200, Benno Schulenberg wrote:
>> Now, going from dump number 4 to 5, the screen has narrowed again and
>> all rows lose an \s at the end -- except for row 21 and 25: they don't
>> lose the \u307f and \u7d0d at the end!

Attached crude patch avoids the problem.

Of course, s[ToCols] should only be blanked when text[ToCols] actually
contains the start of a wide/fullwidth character, but I don't know how
to check for that -- .text[] has a strange, anonymous type.

Benno

ensure-the-last-column-is-wiped.patch
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