lyx zwj

parent dcf407f4
layout: post
title: "Inserting ZWJ in LyX"
- code
##### Zero-Width Joiner is a character used in languages like Malayalam and Persian to connect characters and form a complex character. LyX was giving me trouble in inserting those characters. This is how deep the rabbit hole goes #####
LyX having [got malayalam support](../lyx-malayalam-support/) now it is important that there are no bugs in the way Malayalam is rendered by LyX.
When I tried copy pasting some text into LyX I immediately came across an issue. The *chillu* characters were being mangled up. That is, the characters like ര്‍ and ല്‍ where being converted to ര് and ല് and similar counterparts. This was strange. I initially thought it was a rendering problem, but the LaTeX output also was not showing the *chillus*.
Then I saw Joice's output did show those characters without any trouble. Even stranger!
The first hint came from [StackExchange]( LyX is based on QT. [QT uses XIM]( for input if no other input method is configured.
[Read this about different input methods]( and you will see XIM is outdated.
Turns out there ~~is~~ was [a bug in QT]( which made these character get ignored in old versions of QT.
So, I installed `ibus` and `ibus-qt` (and `ibus-m17n`) and configured LyX to use ibus as the input method and *chillus* started working again.
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