Re: broken table formatting in psql

On Thu, Sep 1, 2022 at 2:13 PM Pavel Stehule <pavel(dot)stehule(at)gmail(dot)com> wrote:
> problem is in bad width of invisible char 200E

I removed this comment in bab982161e since it didn't match the code.
I'd be interested to see what happened after v12.

- * - Other format characters (general category code Cf in the Unicode
- * database) and ZERO WIDTH SPACE (U+200B) have a column
width of 0.

UnicodeData.txt has this:

200B;ZERO WIDTH SPACE;Cf;0;BN;;;;;N;;;;;
200C;ZERO WIDTH NON-JOINER;Cf;0;BN;;;;;N;;;;;
200D;ZERO WIDTH JOINER;Cf;0;BN;;;;;N;;;;;
200E;LEFT-TO-RIGHT MARK;Cf;0;L;;;;;N;;;;;
200F;RIGHT-TO-LEFT MARK;Cf;0;R;;;;;N;;;;;

So maybe we need to take Cf characters in this file into account, in
addition to Me and Mn (combining characters).

--
John Naylor
EDB: http://www.enterprisedb.com