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Created attachment 114890 [details] Rightwards arrow for tab character This patch uses \u2192 (rightwards arrow) for the displayed tab character, falling back to the current \u00BB if the default font does not support it.
Unfortunately I am unable to duplicate the behavior of this patch in a general NetBeans extension. As shown in the attached screenshot, the rightwards arrow is quite clean for users who prefer to work with Show Non-printable Characters enabled.
Created attachment 124754 [details] Shows the behavior of NetBeans with this patch This patch *only* replaces the character displayed for hard tabs. Close observers will note that the EOL mark is not visible on lines 34 and 42 of the screenshot - that behavior as well as the foreground color of whitespace within the comments are controlled by a separate plugin to NetBeans which is independent of this issue.
Thanks for the patch - I've applied it (with one minor addition). Hopefully the users will mostly like the right arrow char more than the original char ;-) http://hg.netbeans.org/jet-main/rev/aa0115f41c70
Integrated into 'main-golden', will be available in build *201302192300* on http://bits.netbeans.org/dev/nightly/ (upload may still be in progress) Changeset: http://hg.netbeans.org/main-golden/rev/aa0115f41c70 User: Miloslav Metelka <mmetelka@netbeans.org> Log: #207293 - Improved tab character for Show Non-printable Characters.