bug in OnFields expanders

[Narabzad]

There is a bug in AdapOnFields and OnFields expanders that sometimes it converts characters Unicode to query term weights.
This happens rarely. However, it should be fixed in future versions.

[hosseinfani]

For example at this file \ds\qe\robust04\topics.robust04.qld.map.dataset.csv

700,gasoline tax U S ,0.1052,5,
termluster.topn5.3.qld,0.3141,gasoline tax u s would tax gallon gasolin gallon would ,
tagmee.topn3,0.1701,gasoline tax u s Fuel tax United States dollar ,
conceptluster.topn5.3.qld,0.1701,gasoline tax u s fuel tax united states dollar ,
onfields.topn3.10.2.25.1.qld,0.13,"{'u.s.': 2, 'tax': 2, 'u': 2.0, 'gasolin': 2, 'in': 1.746, 'san': 1.09, 'diego': 1.065, 'senat': 1.055, 'ditch': 1.055, 'nelson': 1.035, 'increas': 1.025, 'shelton': 1.022, 'deficitcut': 1.01} ",
adaponfields.topn3.exgov2.4.0.25.10.2.25.1.qld,0.1103,"{'u.s.': 2, 'tax': 2, 'gasolin': 2, 'us': 2.0, 'fuel': 1.47, '01600': 1.446, '02000': 1.378, '01500': 1.239, '02200': 1.235, '01700': 1.167, '02100': 1.167, '00578': 1.163, '01800': 1.159, '00628': 1.151} ",,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,

or they are octal numbers!