* Why Emacs uses etags when all other editors use ctags?
@ 2014-11-12 18:00 Andrey Lisin
2014-11-17 1:43 ` Robert Thorpe
0 siblings, 1 reply; 3+ messages in thread
From: Andrey Lisin @ 2014-11-12 18:00 UTC (permalink / raw)
To: help-gnu-emacs
Hello,
really why? Are there any advantages of etags format over standard
ctags? Is there any reason to increase the entropy?
Could anyone explain it? :)
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: Why Emacs uses etags when all other editors use ctags?
2014-11-12 18:00 Why Emacs uses etags when all other editors use ctags? Andrey Lisin
@ 2014-11-17 1:43 ` Robert Thorpe
2014-11-17 2:50 ` Andrey Lisin
0 siblings, 1 reply; 3+ messages in thread
From: Robert Thorpe @ 2014-11-17 1:43 UTC (permalink / raw)
To: Andrey Lisin; +Cc: help-gnu-emacs
Andrey Lisin <andrey.lisin@gmail.com> writes:
> Hello,
>
> really why? Are there any advantages of etags format over standard
> ctags? Is there any reason to increase the entropy?
>
> Could anyone explain it? :)
Ctags is very VI specific. The portion of each tag that takes the
editor to the right place in the code is a command for the ex program.
("Ex" is a part of VI originally it was a separate program but it isn't
in modern VI-like editors). A valid Ctags program could put all sorts
of things in that field. Instead Emacs uses the number of bytes from
the start of the code file.
BR,
Robert Thorpe
^ permalink raw reply [flat|nested] 3+ messages in thread* Re: Why Emacs uses etags when all other editors use ctags?
2014-11-17 1:43 ` Robert Thorpe
@ 2014-11-17 2:50 ` Andrey Lisin
0 siblings, 0 replies; 3+ messages in thread
From: Andrey Lisin @ 2014-11-17 2:50 UTC (permalink / raw)
To: Robert Thorpe; +Cc: help-gnu-emacs
That makes sense. Thank you for the answer!
--
Regards,
Andrey Lisin
> On 17 Nov 2014, at 07:43, Robert Thorpe <rt@robertthorpeconsulting.com> wrote:
>
> Andrey Lisin <andrey.lisin@gmail.com> writes:
>
>> Hello,
>>
>> really why? Are there any advantages of etags format over standard
>> ctags? Is there any reason to increase the entropy?
>>
>> Could anyone explain it? :)
>
> Ctags is very VI specific. The portion of each tag that takes the
> editor to the right place in the code is a command for the ex program.
> ("Ex" is a part of VI originally it was a separate program but it isn't
> in modern VI-like editors). A valid Ctags program could put all sorts
> of things in that field. Instead Emacs uses the number of bytes from
> the start of the code file.
>
> BR,
> Robert Thorpe
^ permalink raw reply [flat|nested] 3+ messages in thread
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2014-11-12 18:00 Why Emacs uses etags when all other editors use ctags? Andrey Lisin
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