[tex4ht] issue with raw html output with httex

[Michal Hoftich]

>
>In my case, there is no trouble with having `\document` and `\enddocument`
>explicitly in the document, nor to add commands in preamble, as the
>files are automatically generated and should only be run through tex4ht
>scripts, never directly through TeX.

OK, in this case you can just add definitions from plain-4ht.tex to your 
document.

>With this in preamble and the use of \document and \enddocument,
>the output is as intented, both the insertion of raw html and
>the formatting.  Thanks!
>

That's good to hear!

>What would be the equivalent for httexi?  Is it the same?
>
>
>In httex the tex calls are like
>
> tex  $5 '\def\Link#1.a.b.c.{\expandafter\def\csname tex4ht\endcsname{\expandafter\def\csname tex4ht\endcsname{#1,html}\input tex4ht.sty }}\def\HCode{\futurelet\HCode\HChar}\def\HChar{\ifx"\HCode\def\HCode"##1"{\Link##1}\expandafter\HCode\else\expandafter\Link\fi}\HCode '$2'.a.b.c.\input ' $1
>
>In addition to calling etex, is that needed or should it be
>replaced by inlined plain-4ht.tex?
>
>As a side note the tex calls in httexi are not exactly the same as in
>httex:
>
> tex  $5 '\def\Link#1.a.b.c.{\expandafter\def\csname tex4ht\endcsname{\expandafter\def\csname tex4ht\endcsname{#1,html}\input tex4ht.sty }}\def\HCode{\futurelet\HCode\HChar}\def\HChar{\ifx"\HCode\def\HCode"##1"{\Link##1}\expandafter\HCode\else\expandafter\Link\fi}\let\svrm=\rm\def\rm{\svrm\ifx\c\comment\def\rm{\let\rm=\svrm\catcode`\@=12\catcode`\\=0 \csname tex4ht\endcsname\catcode`\@=0\catcode`\\=13 }\expandafter\rm\fi}\HCode '$2'.a.b.c.\input ' $1
>

The only necessary change should be the call to etex, as we use some 
commands that it defines (I think \ifdefined, \detokenize and maybe 
others).

Best regards,
Michal