On 19/08/2015 5:05 p.m., Bruno Le Floch wrote: > Hello, > >> Can someone show me or point me to some code where the peek functions >> have been used (preferably in a straightforward way)? I'm thinking in >> particular of functions like \peek_charcode:NTF. > Two packages seem to use these peek functions a lot: mhchem and > pkgloader. > Regards, > > Bruno Thanks for the pointers Bruno. Andrew --- This email has been checked for viruses by Avast antivirus software. https://www.avast.com/antivirus