Unreal David,, Thanks so much.
of course it would be even better if it gave the right answer.
use:
group-by="(sum((@cols,preceding-sibling::*/@cols))-1) idiv $tcols">
There were two mistakes in the first
I forgot the -1 (actually I didn't forget but it gave the right answer
on your test case, so i didn't think about it) The reaon that it
gave teh right answer in teh test case is interesting (if you are
interested in that sort of thing:-)
I used
sum(@cols,preceding-sibling::*/@cols)
instead of
sum((@cols,preceding-sibling::*/@cols))
which means that instead of summing the sequence of this @col and teh
earlier ones, it instead called the function sum with two arguments
first @col and second the earlier '@col.
You (or at least I) might have expected the two argument sum to be an
error, but before complaining to Michael that i got no warning, I
checked the spec and was reminded of the optional second argument that
allows you to specify a sum of an empty sequence.
David
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