In addition the GeanyVC plugin Dominic mentioned, if you use Git, there

is also the Git-Changebar plugin[0] that will show which parts of the

code have changed, and allow navigate between them and to undo.

Regards,

Matthew Brush

=============

thanks Matthew,

I didn't realize plugins need to be installed before i can activate them in geany.

first of all I will try GeanyVC

thank you

Angelo