Re: Equation display styles and context-sensitive rendering

[Jeff Kingston]

> In doing so, one ends up re-implementing the symbol lookup mechanism.
> More importantly, as a consequence, such "environment variables"
> would not obey regular access control and scoping rules.

I agree with all of this, and that is why Nonpareil has class
extensions to handle these issues.  But retrofitting it into
Lout is very likely to be a nightmare.

> Besides, esthetically, address@hidden' looks non-functional, in
> contrast with address@hidden', etc.

@SetEnv does not change a global symbol table, it updates a symbol
table in the environment (STYLE in Lout) for the object to its
right only - perfectly functional and no different from @Font.

Jeff