I have a string with double quotes that needs to become a text in a box in
METAPOST. METAPOST is used to create an image consisting of boxes and
connections.
Basically, the approach is now something like this:
TeX: calls Lua code with \ctxlua{filename}
Lua: context.startMPpage
Lua: read XML. String in XML in filename read by Lua
Here we know the dimensions in which the string must be typeset and wrapped
around because that is also in the XML
Lua: A context() call contains METAPOST code that calls a METAPOST vardef
(‘draw box’) with the string as argument
METAPOST: Draws box and call TeX to typeset string using textext(), returns
picture object
TeX: Typeset string
In short:
TeX, calls
Lua, reads XML and executes context( MP code) that gets executed on
stopMPpage
MP code calls TeX which typesets the string
But, if the string contains double quotes (”) this will fail in METAPOST
because the double quotes in the string will be printed in METAPOST code that
is created by Lua and thus mess up METAPOST.
So, what can I do?
G
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