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Re: indentation in jde/java mode

From: ad
Subject: Re: indentation in jde/java mode
Date: Wed, 28 Apr 2004 19:08:57 -0400
User-agent: Pan/ (As She Crawled Across the Table (Debian GNU/Linux))

On Wed, 28 Apr 2004 18:02:24 +0000, Alan Mackenzie wrote:

> ad <> wrote on Tue, 27 Apr 2004 22:55:19 -0400:
>> On Tue, 27 Apr 2004 06:50:09 +0000, Alan Mackenzie wrote:
>>>> While I am writing the code and get to the new-line and hit TAB, the
>>>> cursor does not move, but when I finished the line with ";" or having
>>>> a "." (dot) in the line (example (aClass.method), does the
>>>> indentation automatically, and it looks by 2 chars. I also tend to
>>>> use "Java -> Indent Expression" menu selection quite often which also
>>>> looks like indenting by 2 chars. All the indentation looks just fine
>>>> (2-chars) within the emacs, but opening with other editors (even
>>>> "less") is making it look like it was indented by 8 chars. Because of
>>>> this, I get some complaints from my colleagues that are using xemacs.
> [ .... ]
>>> If you put the cursor in those 2 spaces, then do "C-x =", it will tell
>>> you what's there.  If it is indeed a TAB character, check the value of
>>> the Emacs variables `tab-width' and `indent-tabs-mode' (using "C-h v").
>> "C-x =" says: 
>> Char: TAB (011, 9, 0x9) point=251 of 3560 (7%) column 0 
>> And tab-width's value is 2
>> And indent-tabs-mode's value is t
> Aha!  There's the problem.  Something in your setup is setting tab-width
> to 2 (by default, it's 8).  This seems to be a very small tab width
> indeed.  Could it be something in your .emacs?
> The question is, do you want to use TABs at all for indentation?  I
> prefer not to, because different editors/display programs sometimes
> disagree on how wide a TAB should be.  I suggest you change
> `my-jde-mode-hook' to the following: 
> (defun my-jde-mode-hook ()
>   (setq c-basic-offset 2)
>   (setq indent-tabs-mode nil))
> That will prevent TABS being used for indentation in the future.
> As for the source files which already contain TABS, (the ones your
> colleagues are moaning about ;-), a good way to correct them is with the
> function `untabify':  First make sure that `tab-width' is still set to 2.
> Load a source file and type "C-x h" to mark the buffer, then "M-x
> untabify" to convert the TABS to spaces.  Save the file again.  ViolĂ !
>> Thank you so much for the help.
> My pleasure!

Thank you very much Alan. Now the indentation in java mode works great.

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