[TxMt] Double-byte spaces not distinguishable

[Takaaki Kato]

On Sep 27, 2007, at 9:40 PM, Hans-Joerg Bibiko wrote:

>
> On 27 Sep 2007, at 14:10, Takaaki Kato wrote:
>> Is there a way to find or colorize double-byte space that in the  
>> document? I've been using a double-byle language, called Japanese  
>> with TextMate. The problem I encounter every now and then is to  
>> mistakenly type double-byte spaces where they, as they are treated  
>> as strings, are now allowed.
>>
>> At this time, there's no way to distinguish double-byte spaces and  
>> single-byte spaces in the document window.
>>
>> I guess there would be a way to find the space by grep and  
>> highlight it adding scope in language grammars. Right? Anybody?
>>
>
> Well, there are several ways to handle this.
> The easiest would be to replace all '　' with ' ' before save  
> the file or do something with the file.
>
> If you want to see these double byte space you can add this in a  
> language grammar under 'patterns':
>
> {	match = '[^　]*(　)[^　]*';
> 	captures = { 1 = { name = 'meta.character.DBSpace'; }; };
> },
>
>
> and finally you can add an element within TM's preferences > Fonts  
> & Colors called 'DBSpace' with the scope selector  
> 'meta.character.DBSpace' and set the background color (BG) to what  
> ever you like.
>
> The next idea would be to create a snippet with a single ASCII  
> SPACE and bind it to a key equivalent SPACE.
>

Thanks Hans,

The highlighting works. I'm pretty surprised to see the simple grep  
matching. I was expecing some difficult grep to grab the spaces.

I'm not supresseing every double-byte spaces because double-byte  
spaces should be allowed in Japanese strings.


Takaaki
-- 
Takaaki Kato
http://samuraicoder.net