I notice in Interface3.pdf that the heading above the paragraph
explaining \tl_if_eq_p:NN etc. uses {<tl var1>}{<tl var2>} with braces
around the tl vars, and for the next item, \tl_if_eq:nnTF, the first
<token list> is without braces.
Also in the section on comma lists, \clist_pop:NNTF uses <sequence>
rather than <comma list>.
Andrew
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