Agree with the reporter that 'norm to which' reads better.
both riches and danger.
.pg
\fIHumans\fP are by far the most common race of the surface world, and
-are thus the norm by which other races are often compared. Although
+are thus the norm to which other races are often compared. Although
they have no special abilities, they can succeed in any role.
.pg
\fIOrcs\fP are a cruel and barbaric race that hate every living thing
\begin{document}
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% input file: guidebook.mn
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+% $Revision: 1.94 $ $Date: 2005/11/27 04:04:20 $
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\item[\bb{Humans}]%
are by far the most common race of the surface world, and
-are thus the norm by which other races are often compared. Although
+are thus the norm to which other races are often compared. Although
they have no special abilities, they can succeed in any role.
%.pg
%