Hello all, Sent to CTAN today is an update with the following changes - Update l3keys such that key properties are additive, introducing a new .undefine: property to support this and altering .value_forbidden:/.value_required: to .value_forbidden:n/.value_required:n - Fix detokenization of key names in some parts of l3keys - Update to l3keys2e to correctly find key names following l3keys fix - Fix extraction of \l_keys_key_tl from \l_keys_path_tl - Update case changing data for Unicode 8.0.0 - Reintroduce minimal LuaTeX-specific functions as l3luatex - Remove function deprecated during 2012 and 2013 - Extend saving of primitive (\<engine>_<name>:D) to cover all XeTeX and LuaTeX names including those for Unicode math handling As usual, please give CTAN 48 h to install and for changes to propagate. -- Joseph Wright