Lua error when generating docs to a nonexistent directory/non-directory
Basically the same as #26 (closed).
/nix/store/50yajgmlns4w9hkkg7lxys667apcpbp1-urn-rt-0.7.2/bin/lua: ...q8q9anlryrz35d-urn-0.7.2-with-libraries/bin/.urn-wrapped:953: attempt to index local 'x' (a nil value)
stack traceback:
...q8q9anlryrz35d-urn-0.7.2-with-libraries/bin/.urn-wrapped:953: in function 'self1'
...q8q9anlryrz35d-urn-0.7.2-with-libraries/bin/.urn-wrapped:7510: in function <...q8q9anlryrz35d-urn-0.7.2-with-libraries/bin/.urn-wrapped:7497>
...q8q9anlryrz35d-urn-0.7.2-with-libraries/bin/.urn-wrapped:12074: in main chunk
[C]: at 0x00406310