bugGNU nano - Bugs: bug #61222, [Wish] trailing whitespace to the...


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bug #61222: [Wish] trailing whitespace to the left of the cursor should not be colored

Submitted by:  Benno Schulenberg <bens>
Submitted on:  Sat 25 Sep 2021 12:05:04 PM UTC
Severity:  1 - Wish Status:  Wont Fix
Assigned to:  None Open/Closed:  Closed
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Tue 22 Mar 2022 09:00:23 AM UTC, comment #1: 

This would mean that the current row needs to be redrawn also for every horizontal cursor movement, and that both the current row and the previous row need to be redrawn for any <Up> or <Down> movement (like when the mark is on).  This is... too silly, too costly, too annoying to implement.

Benno Schulenberg <bens>
Project Administrator
Sat 25 Sep 2021 12:05:04 PM UTC, original submission:  

Several syntaxes colorize trailing whitespace.  That may be nice when looking at existent files, but can be a nuisance while typing in a file.  (It doesn't bother me personally, because I don't look at the screen much while I type, but good typists will keep their eyes on the stuff they are typing and will be distracted by the flickering color of the last-typed space -- see https://bugs.launchpad.net/ubuntu/+source/nano/+bug/1361131.)

This is probably hard to do.  Determining whether the cursor is at the end of the line and whether the preceding character is a space or a tab is easy, but then... figuring out where this whitespace starts will be somewhat costly, and then decolorizing it at the right moment...  (And maybe some people don't want it to be decolorized, so it would need an option to turn it on or off.)

Benno Schulenberg <bens>
Project Administrator


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    Follow 2 latest changes.

    Date Changed by Updated Field Previous Value => Replaced by
    2022-03-29 bens Open/ClosedOpen => Closed
    2022-03-22 bens StatusNone => Wont Fix

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