easier use of sort() in choicelists
easier use of sort() in choicelists

lino-framework/lino,khchine5/lino,khchine5/lino,lino-framework/lino,lsaffre/lino,lsaffre/lino,khchine5/lino,lsaffre/lino,lino-framework/lino,lsaffre/lino,khchine5/lino,lino-framework/lino,lino-framework/lino,khchine5/lino,lsaffre/lino