[libreoffice-users] lines and movement with arrow keys

I have inserted a line into a text document and have a few questions.  
First, I need to make sure it is horizontal.  Is there a way to ensure 
it is perfectly horizontal and won't print with the offsets for diagonal 
placement? I am unable to see if it is perfect.  I have done this in the 
past using tab spaces with a right justified tab, but LO won't underline 
tab spaces.

Second, I need to move the line up slightly.  If I select the line and 
tap the arrow keys, it jumps an entire text line or more (it looks 
greater than the font size for that line, e.g. 12 pts). It's as if it is 
snapping to a grid.  I want to be able to move the line in very small 
increments.

Thank you!

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