convert: handle past or foreign partial svn copies
Subversion allows revisions to be composed of subparts coming from revisions
before the parent or from other part of the repository. There is no simple
representation for these now, keep the changes but do not track their origins.
adding he
llo
abort: '\n' and '\r' disallowed in filenames: 'he\rllo'
adding he
llo
abort: '\n' and '\r' disallowed in filenames: 'he\rllo'
adding hell
o
abort: '\n' and '\r' disallowed in filenames: 'hell\no'
adding hell
o
abort: '\n' and '\r' disallowed in filenames: 'hell\no'
f he
llo he
llo
f hell
o hell
o