Re: [isabelle] Concrete Syntax in locale

On Fri, 24 Mar 2006, Peter Lammich wrote:

> locale X =
>   fixes e :: "'a => 'a" ("e\<^sub>_")

Note that \<^sub> cannot really be used like this, because it operates on 
a single symbol only.  The argument filled in for 'a can be anything, not 
just variables of > 1 letters, but arbitrarily complex terms.

> Now I want also inputs like "e\<^bsub> f a b <^esub>" to be mapped to 
> this symbol.

Better use this form exclusively.  Proof General provides a key sequence 
that makes it as easy to enter as \<^sub> (see describe-mode).


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