.. _In Block (Column) Selection mode I see strange editing artifacts:

In Block (Column) Selection mode I see strange editing artifacts
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Please make sure the *Text Editor Block Selection Font* is a monospaced font:

-  go to :menuselection:`General --> Appearance --> Colors and Fonts`-  in the list on the right, under the **Basic** category you should see *Text Editor Block Selection Font*
-  **The font should be monospaced**
