How to compare sources
In GitHub, select [Code] tab. And select a Small Basic source file.
Push [History] button.
Push SHA number such as '3c9fe39'.
- means deleted line. + means added line.
In GitHub Desktop, select a repository.
Click a blue circle on the master graph. And select source file.
Click the blue ring on the master graph. And select source file. If no changes, no file appears.
