#2 Search bug with --api

[Kevin Scannell]

$ gr --api
b'asal é.
b.
<?xml version="1.0" encoding="utf-8" standalone="no"?>
<!DOCTYPE matches SYSTEM "http://borel.slu.edu/dtds/api-output.dtd">
<matches>
<error fromy="0" fromx="0" toy="0" tox="0" ruleId="Lingua::GA::Gramadoir" msg="Focal anaithnid" context="b. duine." contextoffset="0" errorlength="1"/>
</matches>

i.e. the unknown word "b" is marked incorrectly as the "b" in "b'asal".