Nonprinting characters in LibreOffice on Debian Linux

Very often, I typed some text and needed to see if too many spaces are in the document.

-> View -> Nonprinting Characters

Showing the nonprinting characters helped me to decide if I needed to delete extra paragraphs or spaces.



This feature has been very useful.


The screenshot below shows how LibreOffice looks on Debian Linux:

Related

Screenshots showing the idea of nonprinting characters in LibreOffice on Windows
http://mindmapapp.blogspot.com/2011/12/handle-nonprinting-characters-in.html


Reference

The text in the screenshot came from:
http://en.wikipedia.org/wiki/Long_division