Re: Activating tabbar after installation via elpa on emacs 24.2.1

[Rainer M Krug]

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On 28/09/12 02:14, Joost Kremers wrote:
> Rainer M Krug wrote:
>> I just decided to install some standard packages via elpa, and I am running 
>> into problems 
>> with two packages: tabbar and color-theme
>> 
>> I would like to acivate them in .emacs.d/emacs.el and start the tabbar-mode 
>> and set 
>> color-theme-hober
>> 
>> I tried (eval-after-load "tabbar" '(tabbar-mode) )
>> 
>> but this activates the tabbar mode, but does not show them. I have to 
>> disable it and enable 
>> it again and then can I see the tabbar.
> 
> see what happens when you ditch the eval-after-load completely. i suspect 
> that installing 
> tabbar-mode through elpa already activates it, so what you're doing with the 
> eval-after-load 
> call is deactivating it again...

Still the problems, but I saw that emacs 24 has it's own way of handling color 
themes, and that is
what I am using:

(load-theme 'wheatgrass t)

> 
>> I get a similar error for
>> 
>> (eval-after-load "color-theme" 'progn(
> 
> this is wrong. it should be:
> 
> '(progn
> 
>> (color-theme-initialize) (color-theme-hober) ) )
> 
> note: the common way to write lisp is to not put the closing parens on a 
> separate line. just 
> write:
> 
> (eval-after-load "color-theme" '(progn (color-theme-initialize) 
> (color-theme-hober)))
> 
> looks much cleaner. (the parens are just there for the computer. as a human, 
> you should ignore 
> them and look at the indentation.)

Good point - I am used to pascal, R and a bit of C, where the brackets are 
closing on the new
lines, but I agree - if one looks at the indentation, it is quite easy to 
understand.

>> 
>> Debugger entered--Lisp error: (invalid-function (color-theme-initialize)) 
>> ((color-theme-initialize) (color-theme-hober))
> 
> this is telling you that (color-theme-initialize) cannot be a function (nor 
> name one). which
> is correct, because it's a list. a list can only be a function if its first 
> element is the
> symbol `lambda'.
> 
> the reason why emacs thinks (color-theme-initialize) is a function is because 
> you've misplaced 
> the paren with progn.
> 
> use the code snippet i gave above, it should (hopefully ;-) work.

Hm - i would say many things still to learn.

Thanks a lot for your explanations,

Rainer

> 
> HTH
> 
> 

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