test-extension: fix load path for Windows The previous code was trying to load the extension from /tmp/hgtests.xxx/..., but the actual path for tests is C:\Users\...\Temp\hgtests.xxx\... I assume that the former is an MSYS path that maps somewhere under C:\MinGW.

test-setdiscovery: stabilize for Windows Windows wants double quotes here.

convert: correct the documentation about whitespace in branchmap branches Might as well let the users know they can get rid of branch names with spaces.