> <tei:hi rend="subscript">b,<tei:hi rend="italic">i</tei:hi></tei:hi>;
> mean that the inner "i" is subscripted or not?
Excellent question. The answer, of course, depends on the semantics
that you have assigned to rend=subscript and rend=italic in your ODD
file. This is because the TEI Guidelines explicitly do *not* address
the semantics of rend=. That's left up to the customizer.
My instinct (like Laurent's and Ron's, and unlike Barry's) is that
the default answer is "yes". The rend=subscript applies to most of
its descendant text nodes. (I say "most", because even in vanilla TEI
there are less-than-obvious cases that really must be defined project
by project; e.g., a <note place=foot> inside a <hi> may not inherit
the rend= of its ancestor.) Since the rend=italic represents a
different axes of stylistic information, it does not change or
override the subscription. So my interpretation of this encoding, in
the absence of useful information in your ODD or other project
documentation, is that the 'i' was both italicized and subscripted in
the source document.
Note that if the two renditional values were on the same axis, e.g.:
<p rend="italic">This is <emph rend="roman">not</emph> obvious.</p>
the outer one would (in the absence of documentation that says
otherwise) seem to no longer affect the inner one. But that's not
because the inner 'not' does not inherit the rend=italic, it's
because it also inherits the rend=roman which overrides the