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The whos function denes all its arguments as VAR, except a single MATFILE arg that fol-
lows a ‘-le’ argument (whos’s help page
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explains why); the open function denes tab comple-
tion only for its rst argument (with plenty of possible types). Likewise, openg is dened as
accepting a FIGFILE followed by a VAR with a few extra special-purpose strings
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that are
added to the popup-up menu.
Finally, the mlint example shows that multiple arguments can be dened using a single
XML denition element. In this case, args #2-10 are dened as VAR (with three extra special-
purpose strings), while args #1 and #11+ a ...