On 6 Jul 2010, at 10:29, Roger Bishop Jones wrote: > I find myself in puzzlement when trying to use the square > subset symbol. > > When I use it I get an "Unknown extended character" error. > If I try to add it (as if it were one of the unallocated > codes) using "add_new_symbols" it complains that the > "sqsubset" keyword is duplicated, > > If I use "sqsubset2" instead, it works, and it prints OK, > but I am left wondering whether something somewhere is > going to misbehave because I added it with the wrong > keyword.
This is the result of a historical oversight. This one symbol should be defined as an extended character with two keyword forms "%sqsubset%" (to match the LaTeX manual) and "%refinedby% (which is what it is called in the Compliance Notation, i.e., DAZ), unfortunately it hasn't been done like that and DAZ does exactly what you do and defines a separate extended character. Nothing will misbehave given what you have done except that you have two extended characters that are logically distinct but will print identically. I thought I had fixed this, but it doesn't seem to have got into the release, so I will add it to my list of things to do. > > Should I have enabled the symbol some other way? > No, the build should have done it properly for you! See above. Regards, Rob. _______________________________________________ Proofpower mailing list Proofpower@lemma-one.com http://lemma-one.com/mailman/listinfo/proofpower_lemma-one.com
