Bug#848349: unsupported operand type(s) for +=: int and str

[Guenter Milde]

Dear DDs,

the incompatibility problem with Docutils 0.13.1 is fixed in the Docutils
repository, we plan a bugfix release 0.13.2.

Dmitries patch is compatible to both versions but no longer required once
0.13.2 hits Debian.

regards,

Günter Milde