Re: Proposed fix for Malayalam (& other Indic?) chars and wcwidth

[Bruno Haible <haible@xxxxxxx>]

Hello Rich,

> These characters are combining marks that attach on both
> sides of a cluster, and have canonical equivalence to the two separate
> pieces from which they are built, but yet Markus' wcwidth
> implementation and GNU libc assign them a width of 1. It appears very
> obvious to me that there's no hope of rendering both of these parts
> using only 1 character cell on a character cell device, and even if it
> were possible, it also seems horribly wrong for canonically equivalent
> strings to have different widths.

What rendering to other terminal emulators produce for these characters,
especially the ones from GNOME, KDE, Apple, and mlterm? I cannot submit
a patch to glibc based on the data of just 1 terminal emulator.

Bruno

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