bug#13634: 24.2; trailing whitespace in calendar (enhancement)

[Arun Persaud]

On 02/06/2013 08:41 AM, Bastien wrote:
> Hi Arun,
> 
> Arun Persaud <apersaud@lbl.gov> writes:
> 
>> I like to show trailing white spaces in my buffers using
>>
>> (setq-default show-trailing-whitespace t)
>>
>> in my .emacs file. Since I have this enabled, I noticed
>> that the calendar (M-x calendar) has a lot of empty white space at the
>> end of the line. It would be nice if those could be removed before
>> displaying the calendar.
> 
> Can you make a patch for this?  It should be small enough so that we
> can apply it quickly.
> 
> Thanks,
> 

Here is a simple patch that seems to run on my computer, but I never
really looked at the calendar code before, so I'm not sure if this is
the right way of doing this.

The patch calls delete-trailing-whitespace for the current line when
advancing a line (via calendar-ensure-newline) and also removes the
whitespace for the last line when inserting a month into the buffer.
Removing the trailing whitespace doesn't seem to mess up the formatting,
since calendar-insert-at-column seems to be used when adding text which
fills the line with spaces in case it's needed before adding the text.

cheers
        
Arun

remove-trailing-whitespace-in-calendar.diff
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