[texhax] variable number of columns in a longtable [UK FAQ instability]

[Uwe Lueck]

Donald Arseneau <asnd at triumf.ca> schrieb am 09.05.2008 23:40:58:
> General answer http://www.tex.ac.uk/cgi-bin/texfaq2html?keyword=optional

Try ... now it is 

    http://www.tex.ac.uk/cgi-bin/texfaq2html?keyword=conditional

Some other once most famous labels have disappeared, 
you should always try a UK-FAQ link before posting it. 

Uwe.