Created attachment 1109413 [details]
screenshot, se 'company' field

Description of problem:

When erasing text from a text box the text is deleted, but the string remains on screen and new written text mixes with the old text.

I don't know for sure if this is an issue at libreoffice or at the vga level.
if it is not caused by libreoffice, please reasign.

Version-Release number of selected component (if applicable):
libreoffice-writer-5.0.4.2-3.fc23.x86_64

How reproducible:
always

Steps to Reproduce:
1. open writer
2. open tools, options, user data  
3. select the field 'company'
4. write something, then delete it (with backspace), the cursor will go back but the text on screen will remain.
5. write again, the new text will appear over the old one.

Actual results:
when one deletes a text from a field, the text is deleted, but graphically it remains there and mixes itself with the new text.

Expected results:
if one deletes the text on a field, the field must also graphically delete the previous text.

Additional info:
this issue affects a lot of places, not just the described here. it seems to be a widespread issue, at least for me.

Hardware VGA:
00:02.0 VGA compatible controller [0300]: Intel Corporation 2nd Generation Core Processor Family Integrated Graphics Controller [8086:0126] (rev 09)