tests/test-gendoc.out

revlog.revision(): minor cleanup

Rename some variables, making the name more obvious (in particular "cache" was
actually two different variable.
Move code around, moving the index preloading before the deltachain computation,
without that index preloading was useless (everything was read in deltachain).

% extracting documentation from C
checking for parse errors

% extracting documentation from da
checking for parse errors

% extracting documentation from de
checking for parse errors

% extracting documentation from el
checking for parse errors

% extracting documentation from fr
checking for parse errors

% extracting documentation from it
checking for parse errors

% extracting documentation from ja
checking for parse errors

% extracting documentation from pt_BR
checking for parse errors

% extracting documentation from ro
checking for parse errors

% extracting documentation from sv
checking for parse errors

% extracting documentation from zh_CN
checking for parse errors

% extracting documentation from zh_TW
checking for parse errors