.. _Lines are suddenly changing indentation when I edit text or move the cursor through the editor.:

Lines are suddenly changing indentation when I edit text or move the cursor through the editor.
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This might happen if you don't use a monospaced font ( e.g: Courier ). To change the editor font:

#.  Go to :menuselection:`Window --> Preferences`.
#.  From here, go to: :menuselection:`General --> Appearance --> Colors and Fonts`.
#.  In the window on the right side choose :menuselection:`VHDL Language --> Editor --> VHDL Language Text Font`.
#.  Press :guilabel:`Edit` and check that the font you are using is **monospaced**. If it isn't, choose one from the list ( ex: Courier, Monospace).
#.  :menuselection:`Ok --> Apply`

