bug#9602: kbd macro does not evaluate its parameter

[Leo]

On 2011-09-26 12:09 +0800, Stefan Monnier wrote:
> Yes, kbd should have been defined as an alias of read-kbd-macro
> (i.e. a function) and mark it as pure so the byte-optimizer can
> precompute it when applicable.

How do you mean by 'mark it as pure' and how to do it?

> I know that changing a function into a macro introduces many
> compatibility problems, but maybe changing this macro into a function
> can be done without problems?

Sounds good.

Leo