Re: c-update-modeline format for c-block-comment-flag

[Alan Mackenzie <acm@muc.de>]

Hello, Andy.

On Fri, Oct 13, 2017 at 11:24:03 +0100, Andy Moreton wrote:
> Hi,

> The handling of c-block-comment-flag in c-update-modeline is
> unfortunate:

> (defun c-update-modeline ()
>   (let ((fmt (format "/%s%s%s%s%s"
> 		     (if c-block-comment-flag "*" "/")
> 		     (if c-electric-flag "l" "")
> 		     (if (and c-electric-flag c-auto-newline)
> 			 "a" "")
> 		     (if c-hungry-delete-key "h" "")
> 		     (if (and
> 			  ;; (cc-)subword might not be loaded.
> 			  (boundp 'c-subword-mode)
> 			  (symbol-value 'c-subword-mode))
>                          ;; FIXME: subword-mode already comes with its
>                          ;; own lighter!
> 			 "w"
> 		       "")))

> This fixed "/" in the modeline string forces this submode lighter to be
> always present, .....

How?  What mechanism do you mean?

> .... and prevents the diminish or delight packages from being able to
> remove or replace this lighter.

I'm not familiar with either of these packages.  How does the fixed "/"
prevent these packages from working?

> Can this be fixed for emacs-26 ?

What do you mean by "fixed", here?  What do you want to do with this
portion of the mode line, exactly?

>    AndyM

-- 
Alan Mackenzie (Nuremberg, Germany).