Re: Where does \environment look?

On 3/23/2026 3:52 PM, Jim Diamond wrote:

> unfortunate that the only example on the \usepath page shows it being used
> inside a \startMPinclusions, which might lead the unwary to assume it is
> only for MP files.

thit would be \useMPpath (a bit of deduction here)

> It is also too bad that it doesn't document what the default path is.
> Which might be interesting, since (as shown) \environment acts differently
> than \input.

for an old-timer like you, it also takes some adaptation to use \input 
{foo} instead of the non-character terminated \input foo i guess, in mp 
there's also this input that takes a non-string which makes input a bit 
of an outlier in both machineries


> Indeed.  How about ./../../../xyzzy.tex ?  (No need to answer, I can test
> if I feel so inclined.)
> 
> But it might be interesting to know what the default is.  I hunted around
> in some Lua files for a while, but my lua-fu is too weak to track the
> default down.

so here is some of the magick:

\starttext

\enabletrackers[resolvers.locating]

\input{tufte}

\enabletrackers[resolvers.*]

\environment does-not-exist

\disabletrackers[resolvers.locating]

\stoptext

See log file. All the magic is in the data-ini, data-res, data-pre etc 
files. Don't loose sleep over it.

Hans

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