lappend disable_on_lock \
[list .vpane.lower.commarea.buffer.header.new conf -state]
radiobutton .vpane.lower.commarea.buffer.header.amend \
-text {Amend Last Commit} \
-command do_select_commit_type \
-variable selected_commit_type \
lappend disable_on_lock \
[list .vpane.lower.commarea.buffer.header.new conf -state]
radiobutton .vpane.lower.commarea.buffer.header.amend \
-text {Amend Last Commit} \
-command do_select_commit_type \
-variable selected_commit_type \