Markus Hitter <mah@xxxxxxxxxxx> writes: > Am 08.11.2016 um 22:37 schrieb Junio C Hamano: >> Are all semi-modern Tcl/Tk in service have this -undo thing so that >> we can pass unconditionally to the text widget like the patch does? > > Good point. As far as my research goes, this flag was introduced in Nov. 2001: > > http://core.tcl.tk/tk/info/5265df93d207cec0 Sounds safe enough then ;-) Thanks for an additional research.