Re: LISP routines for commenting

[Lennart Borgman (gmail)]

Thierry Volpiatto wrote:
> "Lennart Borgman (gmail)" <lennart.borgman@gmail.com> writes:
>
> > Thierry Volpiatto wrote:
> > > "Lennart Borgman (gmail)" <lennart.borgman@gmail.com> writes:
> > >
> > > > Thierry Volpiatto wrote:
> > > > > Python-mode provide a command for indenting that is bind to:
> > > > >
> > > > > C-c # ==> comment
> > > > > C-u C-c # ==> uncomment
> > > > > The command is: `py-comment-region'
> > > > >
> > > > > It is better to comment with that instead of the usual M-;
> > > > > because it don't affect indentation after a block of commented code.
> > > > Do you mean that this is a bug in the support for M-; in phyton-mode?
> > > > Or is it a bug in M-;
> > > I don't think it's a bug, it's just better to comment with the proper
> > > function in python, especially if there is complex level of indentation
> > > (loop followed with other loop and if if if...etc).
> > But isn't there a bug somewhere if M-; does not do the right thing?
>
> Well, if emacs is meant to use python with python.el and it is working
> fine with it, it is not a bug, but if M-; don't work properly with
> python.el, yes, it is a bug!


Don't you think that all major modes should support M-;? There are easy 
ways to do that. The doc strings says

(comment-dwim arg)

Call the comment command you want (Do What I Mean).
If the region is active and `transient-mark-mode' is on, call
  `comment-region' (unless it only consists of comments, in which
  case it calls `uncomment-region').
Else, if the current line is empty, call `comment-insert-comment-function'
if it is defined, otherwise insert a comment and indent it.
Else if a prefix arg is specified, call `comment-kill'.
Else, call `comment-indent'.
You can configure `comment-style' to change the way regions are commented.