Re: [O] [BUG] in Release 8.2 - editing code in indirect buffer

[Carsten Dominik]

On 25.9.2013, at 08:53, Rainer M Krug <address@hidden> wrote:

> "Sebastien Vauban" <address@hidden>
> writes:
> 
>> Hi Carsten,
>> 
>> Carsten Dominik wrote:
>>> On 24.9.2013, at 18:17, Sebastien Vauban <address@hidden> wrote:
>>>> Carsten Dominik wrote:
>>>>> On 23.9.2013, at 09:40, Rainer M Krug <address@hidden> wrote:
>>>>>> 
>>>>>> When starting to edit a code block via C-c ' everything works as expected
>>>>>> and the code block is highlighted and an indirect buffer is opened.
>>>>>> 
>>>>>> When I click into the highlighted block, I an "send" to the indirect 
>>>>>> buffer.
>>>>>> This behavior changes, after saving with C-s, even when nothing has been
>>>>>> edited: the area in the original org file looses its magic, and looks 
>>>>>> normal
>>>>>> again and can also be edited!
>>>>>> 
>>>>>> The indirect buffer stays functional and, upon close via C-c ' saves the
>>>>>> changes into the original buffer and *overwrites* changes done in this 
>>>>>> block
>>>>>> in the org document.
>>>>> 
>>>>> This is a bug which is difficult to fix in all generality. What should 
>>>>> really
>>>>> happen is that the text in the original buffer is made read-only. But so 
>>>>> far
>>>>> this does not happen in our implementation (due to Dan Davison IIRC). The
>>>>> reason for this is that read-only text properties left by accident in a
>>>>> buffer are difficult to get rid of.
>>>>> 
>>>>> There are many things the user could go back and screw up the original.
>>>>> That's why Org choses to protect with highlighting with an overlay. Note 
>>>>> that
>>>>> this is not a protection against editing, but it is a visual warning.
>>>> 
>>>> I never knew that "your" goal was to make the code block read-only in the 
>>>> Org
>>>> buffer. Note that I would be really opposed to such a change. Editing code 
>>>> in
>>>> the prose would really become a pain to me -- please know that I NEVER use 
>>>> the
>>>> indirect buffer.
>>> 
>>> I only mean while there is a special buffer also editing this block!
>> 
>> Pfff!  I'm relieved -- I should have understood it ;-)
> 
> While we are at editing code blocks inline (I also do this quite often).
> 
> This might have been asked before, but in code blocks we have
> 
> - syntax highlighting
> - indenting using the code block language settings
> 
> but would it be possible to have, when the cursor is in a code block,
> the menus and shortcuts for the language mode enabled, i.e. complete
> support for editing the code block language, as in the special buffer,
> but inline in org? Evaluationg single lines of code directly from the
> code block in org would be *brilliant*.

This is very complicated, because such functionality needs
the entire environment of a mode.  I think there are some solutions
which allow multiple major modes - but I don't think we will go
there with Org.

However, I think this is really a question to Eric Schulte (in CC).

- Carsten

> 
> Cheers,
> 
> Rainer
> 
>> 
>> Best regards,
>>  Seb
> <#secure method=pgpmime mode=sign>
> 
> -- 
> Rainer M. Krug
> 
> email: RMKrug<at>gmail<dot>com
> 
>

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