Paul Thompson wrote: > What sort of documentation is available for \pdfstrcmp? I confess that I have > never heard of this toolset. pdfTeX manual says: \pdfstrcmp <general text> <general text> (expandable) This command compares two strings and expands to 0 if the strings are equal, to -1 if the first string ranks before the second, and to 1 otherwise. The primitive was introduced in pdfTEX 1.30.0. searching the internet may bring even more information. cheers Arno