Hello all, As notified previously, we are updating expl3 to address a small number of inconsistencies in function naming. At present, these changes have been made in the SVN only: they will be updated on CTAN /after/ the TL2012 freeze. The following functions have been deprecated and will be removed after 2012-08-31 with no replacement: \clist_if_eq:NN(TF) \skip_if_infinite_glue:n(TF) The following functions have been renamed and are deprecated for removal after 2012-08-31: \tl_length_tokens:n => \tl_count_tokens:n The following functions have been renamed and are deprecated for removal after 2012-11-30: \clist_length:N => \clist_count:N \clist_length:c => \clist_count:c \clist_length: => \clist_count:n \prop_del:Nn => \prop_remove:Nn \prop_del:cn => \prop_remove:cn \prop_del:NV => \prop_remove:NV \prop_del:cV => \prop_remove:cV \prop_gdel:Nn => \prop_gremove:Nn \prop_gdel:cn => \prop_gremove:cn \prop_gdel:NV => \prop_gremove:NV \prop_gdel:cV => \prop_gremove:cV \seq_length:N => \seq_count:N \seq_length:c => \seq_count:c \tl_count:N => \tl_length:N \tl_count:c => \tl_length:c \tl_count:n => \tl_length:n \tl_count:V => \tl_length:V \tl_count:o => \tl_length:o -- Joseph Wright