Gaps in table-columns crash fop because in the current code only the getting of the column number is skiped and afterwards continued with the _empty_ tablecolumn object before the immeaditly following code is testing for gaps. This patch should solve the problem.
Created attachment 17400 [details] Solves problems with gaps in table-columns
Created attachment 17401 [details] example
Applied. Thanks. Sorry for the delay. This seems to have slipped through the cracks. http://svn.apache.org/viewcvs?rev=399200&view=rev
batch transition pre-FOP1.0 resolved+fixed bugs to closed+fixed