[l2h] Nesting amsmath constructs align and cases causes infinite loop

[Matthew Saltzman]

On Wed, 2014-08-13 at 17:16 -0400, Matthew Saltzman wrote: 
> Using latex2html-2012-4.fc20.noarch on Fedora 20 Linux with
> texlive-2013-5.20131226_r32488.fc20.x86_64, the following file compiles
> with latex (and looks fine as a DVI) or with pdflatex (and looks fine as
> a PDF), but fails to compile with latex2html.
>[...]

Also fails when nesting cases in an eqnarray, but works when nesting
cases in an array in an equation (but then I can't number the individual
equations).
-- 
Matthew Saltzman
Clemson University Math Sciences
mjs AT clemson DOT edu