arrange so that ' .net' is split as .net and net. Previously it only produced .net, which meant that matching filename extensions, like in fn:pdf$ did not work well because of cases where a special char or a space occurred before the .
--HG-- branch : RECOLL_1_22_MAINT
Authored by: Jean-Francois Dockes 2016-06-20
Parent(s): [9c4c6b]
Child(ren): [f37828]