Re: Declaring cl.el obsolete

[Romanos Skiadas]

On 24/05/2019 02:22, 조성빈 wrote:

2019. 5. 24. 오전 2:03, Romanos Skiadas <address@hidden> 작성:

On 23/05/2019 09:50, Lars Ingebrigtsen wrote:

Lars Ingebrigtsen <address@hidden> writes:

I think there's a probably a gazillion out-of-tree packages out there
with (require 'cl),

OK, "722,834 code results" is a bit smaller than "gazillion", but:

https://github.com/search?utf8=%E2%9C%93&q=%22%28require+%27cl%29%22+extension%3Ael&type=Code&ref=advsearch&l=&l=

(You apparently have to be logged in to do the search.)

This is slightly misleading, it seems like github also takes into account (require 'cl-lib), e.g. it matched

https://github.com/chetnashah/dotemacs/blob/f6b1d41d52000e70ec970499c98e424af3cd2e40/.emacs.d/elpa/slime-20160907.602/contrib/slime-listener-hooks.el 

from page 100:

https://github.com/search?l=&p=100&q=%22%28require+%27cl%29%22+extension%3Ael&ref=advsearch&type=Code&utf8=%E2%9C%93

I also see GitHub matching (require ‘cl-lib) from page 3:

Matched https://github.com/martialboniou/Dots/blob/e116fb08e406243f847af63760877d7c6d14a91c/emacs/emacs.d.symlink/lisp/run-tests.el
At 
https://github.com/search?p=3&q=%22%28require+%27cl%29%22+extension%3Ael

Yes, according to the github search documentation, ' and ) are not considered when searching:

You can't use the following wildcard characters as part of your search query: . , : ; / \ ` ' " = * ! ? # $ & + ^ | ~ < > ( ) { } [ ]. The search will simply ignore these symbols

https://help.github.com/en/articles/searching-code

I assume the search sees `(require 'cl)` simply as `require cl` and that can match either cl or cl-lib or other libraries that begin with cl.

- Romanos

And it also takes into account comments and ifs for older Emacsen, which presumably are ok.

- Romanos