my Latex and Tex4ht cheat sheet

%TCIMACRO{\QSubDoc{Include empty}{\input{empty.tex}}}%
%BeginExpansion
\input{empty.tex}%
%EndExpansion
Now, close everything. Now main.tex is a master document. Now you can write \input{file.txt} in
master.tex and SW will now inlcude the file.txt (assuming of course the file is in the same folder as master.tex).
So, for each latex file that is meant to include input files, we must have an empty.tex file there, and add it at
the bottom of the document itself as shown above.
5.3 Adding Latex code into SW so that SW do not touch it
sometimes I have a need to insert Latex code into the .tex file while using SW, but do not want SW to look at
this code. This is code used by htlatex for example. One way to do that is by using encapsulated tex field. This
field can be added either from the SW GUI, or directly in source code. To add it in source, let assume we want
to add \ifdefined\HCode\href{../../index.htm}{up} in the Latex source file. Then write
%
%TCIMACRO{\TeXButton{TeX field}
%{ \ifdefined\HCode\href{../../index.htm}{up} }
%}
%BeginExpansion
\ifdefined\HCode\href{../../index.htm}{up}
%EndExpansion
Notice what we did. The code has to be put in 2 places. In the comment and inside the BeginExpansion
and %EndExpansion block.
That is the only reliable way to insert Latex code for use by tex or tex4ht without having SW see it.
Otherwise, SW can change it or move it around, or worst, comment it out. Now, the above can be processed OK
by htlatex, since the TexField is a comment, but the code is still there in the second block.
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