[Lazarus] Help needed with a SynEdit patch please - Tab char indicator

[Martin]

On 16/09/2011 07:46, Graeme Geldenhuys wrote:
> Hi,
>
> When you enable "show special characters" or "show hidden characters"
> (eg: spaces and tab characters), most editors place the tab character
> indicator exact where the tab character actually occurs in the text. The
> beginning of the tab width. Lazarus IDE place the tab character
> indicator at the trailing end of the tab width. See 'before.png' image.
>
> Placing the tab character indicator at the beginning makes it easier to
> see, because it is never against any normal text.
>
> I would like to modify my Lazarus to do what most other editors do -
> maybe the official Lazarus will change too (but I don't mind if it doesn't).
>
> Anyway, I know nothing about SynEdit, but I think I found the place I
> need to modify. My tab indicators are now "almost" in the correct
> location - they just don't match up with the actual tab width. See
> 'after.png' image. And the more tab characters i have, the worse it gets.
>
> Attached is my patch. Can somebody tell me what my patch is doing wrong
> please?
>

Looks ok, to me. I think it can be included, and will do so.

I will probably save "j",  by moving the special char in front of the 
loop, and make it a while loop