The Text Editor window settings control the display of code completion, syntax checking,
line numbers, and the file path. To set the Text Editor window settings, click the
Settings toolbar button 
.
After you finish specifying settings, click the Close button in the upper right corner. The Vivado IDE stores your settings and reloads them each time the tool is launched.
Tip: To restore the options to the default settings, click the
Reset button in the upper right corner 
.
.