Re: rx expressions

[Emanuel Berg]

Philip K. wrote:

>> (eval-when-compile (require 'rx))
>> (rx--empty)
>>
>> geh.el: 
>> In end of data:
>> geh.el:294:1: Warning: the function ‘rx--empty’ might not be defined at
>>     runtime.
>
> rx--empty is a function, so it doesn't make sense. I do
> eval-when-compile when all I use is the rx macro itself.

Byte-compiling Elisp almost always makes sense, for
several reasons.

Use

  (require 'rx)

so everything is solid from the get-go and you can focus on
the byte-compiler messages that are actually useful, even
interesting to read...

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