On 22/01/2017 01:21, Andrew Parsloe wrote: > I am confused by the illustration > > \keys_define:nn { module } > { option .set:N = \l_module_variable_tl } > > in the l3keys2e documentation. I thought, "Ah, this is how you > distinguish package options from keys defined within a package", but > when I try this it doesn't work. But > > \keys_define:nn { module } > { option .tl_set:N = \l_module_variable_tl } > > does. > > Andrew Typo in the docs: should as you say be .tl_set:N. This is corrected in the SVN and will be right in the next release. Joseph