File for minor mode not found

[fatiparty--- via Users list for the GNU Emacs text editor <help-gnu-emacs@gnu.org>]

Jan 9, 2022, 16:50 by tomas@tuxteam.de:

> On Sun, Jan 09, 2022 at 05:37:49PM +0100, fatiparty--- via Users list for the GNU Emacs text editor wrote:
>
> [...]
>
>> I have difficulty about the utility of 'provide'.  You have pointed out that (provide 'daph)
>> simply announces that daph is a feature of the current emacs.  Can it be any name?  The 
>> manual states that "calling 'provide' adds 'feature' tothe front of 'features' if it is not already
>>  in that list".  This suggests that provide should also use  (provide 'daph-ideograms). 
>>
>
> That depends on how you want to call your feature. Note that once a
> feature is `provide'd, a `require' of that feature does nothing. Quoting
> from the docs:
>
>  require is a built-in function in ‘C source code’.
>
>  (require FEATURE &optional FILENAME NOERROR)
>
>  If feature FEATURE is not loaded, load it from FILENAME.
>  If FEATURE is not a member of the list ‘features’, then the
>  feature is not loaded; so load the file FILENAME.
>
>> I guess that one could define the feature as 'daph' when using 'provide'.  And use the feature 'daph'
>> when calling 'require'.  In this way, the 'daph' will be recognise the 'daph' feature in the features variable,
>> but use the optional filename "daph-ideograms"
>>
>
> Yes, that'd be a way to do it (in theory you could have one file
> providing several features, for example).
>
>> Thus
>>
>> daph-ideograms.el
>> **********************
>>   (provide 'daph)
>>
>> test.el
>> ******* 
>>   (add-to-list
>>       'load-path "~/Admin/bin/gadi-1.0/typex/ziggurat-protowrit/daph-ideograms")
>>    ;; Load the Daph Package if it has not already been loaded.
>>    (require 'daph "daph-ideograms")
>>
>> --------
>>
>> My load path is quite long, and wonder how this can be shortened by storing in some other variable
>> before passing to 'add-to-list'.
>>
>
> I don't quite understand your last sentence. What is it you are trying
> to shorten -- and how?
>
I want to keep within 72 characters on the line.  I could store the first part  
 '~/Admin/bin/gadi-1.0/typex/ziggurat-protowrit/' in some variable, and find some
way to add the complete path for 'add-to-list'.



> Cheers
> -- 
> t
>