I can confirm that this patch does seem to take care of the problem.
Thanks very much for your help.
On Tue, 2014-08-19 at 20:12 +0900, Shigeharu TAKENO wrote:
> shige 08/19 2014
> ----------------
>
> | From: Matthew Saltzman <m...@clemson.edu>
> | To: "sh...@iee.niit.ac.jp" <sh...@iee.niit.ac.jp>
> | CC: "latex2html@tug.org" <latex2html@tug.org>
> | Subject: Re: [l2h] Nesting amsmath constructs align and cases causes
> | infinite loop
> =====
> | > It may workaround your problem.
> |
> | It does indeed solve the problem. Is it the right solution or just a
> | workaround?
>
> I find it may be a bug of versions/math.pl. Please apply the
> patch below.
>
> ----- From here (patch for math.pl) -----
> --- versions/math.pl.ORG 2004-01-01 15:15:01.000000000 +0900
> +++ versions/math.pl 2014-08-19 20:02:50.828761000 +0900
> @@ -1432,6 +1432,7 @@
> while ($pre_test =~ s/(($O|$OP)\d+($C|$CP))(.*)\1/$4/) {};
> $use_all = 1 if ($pre_test=~s/($O|$OP)\d+($C|$CP)//);
> if (!$use_all) {
> + $pre_test = $pre_text;
> while ($pre_test =~
> s/\\begin(($O|$OP)\d+($C|$CP))(.*)\\end\1/$4/){};
> $use_all = 1 if
> ($pre_test=~s/\\(begin|end)($O|$OP)\d+($C|$CP)//);
> };
> ----- To here (patch for math.pl) -----
>
> +========================================================+
> Shigeharu TAKENO NIigata Institute of Technology
> kashiwazaki,Niigata 945-1195 JAPAN
> sh...@iee.niit.ac.jp TEL(&FAX): +81-257-22-8161
> +========================================================+
--
Matthew Saltzman
Clemson University Math Sciences
mjs AT clemson DOT edu
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