133
137
text_diff will be used for textual difference calculation.
134
138
This is a template method, override _diff in child classes.
138
142
# cannot diff from one kind to another - you must do a removal
139
143
# and an addif they do not match.
140
144
assert self.kind == to_entry.kind
142
147
self._diff(text_diff, from_label, tree, to_label, to_entry, to_tree,