Strenghten a bit SearchText detector: a word followed by a colon is not enough to qulify as a COLUMN token, tha word must also be in a set of valid column names.


git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@25940 20353a03-c40f-0410-a6d1-a30d3c3de9de