Hi, I'm trying to glue MkIV XML handling to ConTeXt's tabulation. My markup has a HTML-style table model, with an arbitary number of <col> elements. My problem is to produce the |c|c|c|c| format based on the number of <col> elements I have, rather than hardcoding a specific number of columns. I thought I could do something like this, but unfortunately the string produced by \xmlconcat{#1}{col}{\|} seems to be ignored: % in practice this would produce various alignments, not just "c" \startxmlsetups xml:col c \stopxmlsetups \startxmlsetups xml:table \starttabulate[\|\xmlconcat{#1}{col}{\|}\|] \xmlall{#1}{thead|tbody} \stoptabulate \stopxmlsetups Whereas this works fine, as I'd expect: \starttabulate[|c|c|c|c|] (I'm also confused about the escaping for \| there. I guess the [] is a special environment, with | being given a different catcode, perhaps?) Is there a way to do this, with the number of columns and their alignment generated from the input XML? Thanks, -- Kate