[texhax] What's wrong with \catcode`\_=12

Yue Wu vanopen at gmail.com
Thu Oct 6 02:29:21 CEST 2011

I want to define a macro to let _ can be directly used in it but failed,
The minimum failed example:

\def\mytest#1{{\chardef\_=95 \catcode`\_=12 #1}}

What should I do?

Yue Wu

Key Laboratory of Modern Chinese Medicines
Department of Traditional Chinese Medicine
China Pharmaceutical University(中國藥科大學)
No.24, Tongjia Xiang Street, Nanjing 210009, China

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