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Obscure bug when deleting text

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  • Obscure bug when deleting text

    Version: 3.1.6 (build 10721)

    And by obscure I really mean it. Any deviation from the tiniest detail may result in the bug not occurring (yet it somehow did for me a few times during regular use):

    * Open a comparison with the attached text file on the right side (the other file can just be empty)
    * Scroll down several screenfuls
    * Start selecting text from near the bottom of the screen. Move the mouse upwards and to the left pane while scrolling up with the mouse wheel.
    * Once you're up several screenfuls, release the mouse.
    * Move the mouse downwards and back to the right pane while scrolling down with the mouse wheel until you get to somewhere in the middle of the selection.
    * Press the delete key on the keyboard.
    * Occasionally, something goes wrong with updating the display and some of the deleted lines will be shown as selected instead of the actual content at that location.
    * If you force refresh the display of those lines (by scrolling, for example), they go back to normal.

    I also recorded a video of it in case it's difficult to reproduce:

  • #2
    Thanks for the steps and test files. I believe you are running into an odd painting issue (hence why scrolling, or a refresh will solve it).

    I'll investigate and let you know what we find.
    Aaron P Scooter Software