localrepo: correct docstring of filectx()
The same reason as b6c2543e1dd8. It can't be any changeset specifiers but
revision number.
--- a/mercurial/localrepo.py Sat Nov 24 20:05:55 2018 +0900
+++ b/mercurial/localrepo.py Sun Nov 25 22:39:54 2018 +0900
@@ -1587,7 +1587,7 @@
self.dirstate.copy(None, f)
def filectx(self, path, changeid=None, fileid=None, changectx=None):
- """changeid can be a changeset revision, node, or tag.
+ """changeid must be a changeset revision, if specified.
fileid can be a file revision or node."""
return context.filectx(self, path, changeid, fileid,
changectx=changectx)