clean ReaderDictionary:cleanSelection
clean ReaderDictionary:cleanSelection

crengine now does a much better job at finding word boundaries, so
less cleanup is needed

houqp/koreader,mwoz123/koreader,poire-z/koreader,koreader/koreader,pazos/koreader,poire-z/koreader,robert00s/koreader,NiLuJe/koreader,Frenzie/koreader,Markismus/koreader,mihailim/koreader,apletnev/koreader,NiLuJe/koreader,lgeek/koreader,koreader/koreader,Hzj-jie/koreader,Frenzie/koreader