Subject: Re: bug#16190: 23.4; M-x captialize-word works incorrectly

From: Kevin Rodgers <[email-masked]>
Date: Sat, 28 Dec 2013 12:31:16 -0700

On 12/27/13 10:31 PM, Josh wrote:
> On Thu, Dec 26, 2013 at 7:30 PM, Kevin Rodgers
> <[email-masked]>  wrote:
>> On 12/23/13 11:59 AM, Josh wrote:
>>>
>>> On Mon, Dec 23, 2013 at 8:12 AM, Eli Zaretskii<[email-masked]>   wrote:
>>>>
>>>> If you want a function that capitalizes the word at point after
>>>> looking back for its beginning, you need to code that using
>>>> thing-at-point or some such.
>>>
>>>
>>> When point is not already at the start of the word, `capitalize-word'
>>> can already do this pretty easily via `M-- M-c'.
>>
>> (defun capitalize-word-at-point ()
>>    "Capitalize the word at point (i.e. around point), without moving point."
>>    (interactive)
>>    (capitalize-word -1))
>
> Unfortunately it's not quite that simple, because calling that function
> when point is before the first character of a word will capitalize the
> preceding word instead of the word following point.  Something like
>    (defun capitalize-word-at-point ()
>      "Capitalize the word at point."
>      (interactive)
>      (save-excursion
>        (forward-word)
>        (backward-word)
>        (capitalize-word 1)))
> should suffice, though there are probably more elegant approaches.

How about:

(defun capitalize-word-at-point ()
   "Capitalize the word at point.
If point is within a word, don't move point."
   (interactive)
   (if (looking-at "\\b")
       (capitalize-word 1)
     (capitalize-word -1)))

Or:

(defadvice capitalize-word (before point-within-word activate)
   "When point is within a word, capitalize the word around point
-- but only when called interactively."
   (if (and (called-interactively-p 'any)
	   (not (looking-at "\\b")))
       (backward-word (prefix-numeric-value current-prefix-arg))))

-- 
Kevin Rodgers
Denver, Colorado, USA