On 11/6/2020 12:24 AM, t...@projectivespace.com wrote:
In this particular case, as Wolfgang pointed out, \in actually does work to get
the desired symbol in math mode. But it is good to know how to use text
substitutions too.
WHen you are in doubt you can do this:
\meaning\in
it will show you that the commands is adapting itself to math mode.
There are a few such commands with 'clashing' names.
A variant on this is \NC which is the column separator but has a
different meaning depending on where it's used. That one gets set to
some meaning in environments.
Another overloaded one is \\ and it could be a space or newline or ...
Actually the last two are candidates for protectiopn against overload.
btw, users can run context with
--overloadmode=warning
--overloadmode=error
to see if their usage of commands or definitions bring conflicts.
Currently \in is not yet protected against overload but it will be.
Hans
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