@pimms.param<EOL><INDENT>def default_alignment(da):<DEDENT>
if da.lower() in ('<STR_LIT>', '<STR_LIT>'): return '<STR_LIT>'<EOL>elif da.lower() in ('<STR_LIT>', '<STR_LIT:all>'): return '<STR_LIT>'<EOL>else: raise ValueError('<STR_LIT>')<EOL>
sub.default_alignment is either 'MSMAll' or 'MSMSulc' and specifies what alignment algorithm
is used as the default hemisphere set. For example, if this is 'MSMAll', then sub.lh_native
will be identical to sub.lh_native_MSMAll instead of to sub.lh_native_MSMSulc.