Re: include Ada Reference Manual info files in ada-mode ELPA package?

[Stephen Leake]

David Kastrup <address@hidden> writes:

> Stephen Leake <address@hidden> writes:
>
>> Andreas Schwab <address@hidden> writes:
>>
>>> Stephen Leake <address@hidden> writes:
>>>
>>>> --- a/admin/archive-contents.el
>>>> +++ b/admin/archive-contents.el
>>>> @@ -167,7 +167,7 @@ EXTRAS is an alist with additional metadata.
>>>>  
>>>>  PKG is the name of the package and DIR is the directory where it is."
>>>>    (let* ((mainfile (expand-file-name (concat pkg ".el") dir))
>>>> -         (files (directory-files dir nil "\\.el\\'")))
>>>> +         (files (directory-files dir nil "^dir$\\|\\.el\\'")))
>>>
>>> Please use \` and \' instead of ^ and $.
>>
>> What is the rationale for that?
>
> File names can contain newlines.

Ah; I forgot/didn't realize that.

>
>> Is it documented somewhere? I looked for an "elisp style guide" in
>> emacs/docs/*, and in various READMEs, but didn't see anything obvious.
>
> That's not a question of style.  The meaning is different.  Please check
>
> (info "(Emacs) Regexps")
>
> ‘^’
>      is a special character that matches the empty string, but only at
>      the beginning of a line in the text being matched.  Otherwise it
>      fails to match anything.  Thus, ‘^foo’ matches a ‘foo’ that occurs
>      at the beginning of a line.

(info "(elisp) "Regexp Special") in 24.3.93.1 says:

^
     ...

     When matching a string instead of a buffer, `^' matches at the
     beginning of the string or after a newline character.

Which I read, and noticed was different from \`, but did not appreciate
the significance

-- 
-- Stephe