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Bug 254740

Summary:	Ability to show whitespace (tabs and spaces) but not other non-printing characters
Product:	editor	Reporter:	ProjectOrc
Component:	Painting & Printing	Assignee:	Miloslav Metelka <mmetelka>
Status:	NEW ---
Severity:	normal	CC:	ProjectOrc
Priority:	P3
Version:	8.0.2
Hardware:	PC
OS:	Linux
Issue Type:	ENHANCEMENT	Exception Reporter:
Attachments:	Visual Studio 2008 screenshot of tabs and spaces shown in faded colours

Description ProjectOrc 2015-08-26 01:31:17 UTC

Created attachment 155648 [details]
Visual Studio 2008 screenshot of tabs and spaces shown in faded colours

Microsoft Visual Studio 2008 has the option to Edit → Advanced → View White Space.

NetBeans seems to only be able to show whitespace via View → Show Non-printable Characters, but the other non-printable characters (such as newline) are ugly.

I would like to be able to view only whitespace (tabs and spaces) as separate viewable characters and also have the option to colour them to a soft colour, like the attached picture (a screenshot from Visual Studio 2008).

The ability to colour each non-printable character differently may be sufficient (so the newlines can be faded out completely in the settings), so these may also be related:

- Bug 207793 - Ability to individually set color/highlight options for different kinds of whitespace (although the "different kinds" in this bug are context-sensitive kinds, rather than different characters like tab vs space)
- Bug 198016 - Tabs should not be displayed as whitespace (although I do want to display tabs)