If XeTeX is invoked on file foo.tex specifying
--output-directory=../dynamic-content,
and if there is also a file ../dynamic-content/foo.tex, then XeTeX will process
that file
rather than the file which it was instructed to process :
> \message {This is the intended foo.tex}
> \end
> This is XeTeX, Version 3.14159265-2.6-0.99996 (TeX Live 2016/W32TeX)
> (preloaded format=xetex)
> restricted \write18 enabled.
> entering extended mode
> (../dynamic-content/./foo.tex This is the unintended foo.tex )
> No pages of output.
> Transcript written on ../dynamic-content/foo.log.
--
Philip Taylor
--------------------------------------------------
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