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[Jan Lellmann <address@hidden>]

Hello,

the following code reproducibly produces segfaults when I move the cursor to 
the "x" inside the macro.

This is bad, since it is the only way to get the number of arguments passed 
to a variable macro.

----
<TeXmacs|1.0.7.3>

<style|generic>

<\body>
  <xmacro|x|<get-arity|<eval-args|x>>>
</body>

<\initial>
  <\collection>
    <associate|language|american>
    <associate|page-type|letter>
    <associate|preamble|true>
  </collection>
</initial>
----

Any ideas why?

Jan