Update docstrings for TextItem
Update docstrings for TextItem

tropp/acq4,carlomt/dicom_tools,JenSte/pyqtgraph,acq4/acq4,ericdill/pyqtgraph,campagnola/acq4,jlombacher/pyqtgraph,carlomt/dicom_tools,mpvismer/pyqtgraph,meganbkratz/acq4,nmearl/pyqtgraph,mgraupe/acq4,tropp/acq4,campagnola/acq4,tropp/acq4,ng110/pyqtgraph,benvermaercke/pyqtgraph,nmearl/pyqtgraph,mgraupe/acq4,ddamiani/pyqtgraph,gvalentine/pyqtgraph,jlombacher/pyqtgraph,meganbkratz/acq4,duguxy/pyqtgraph,pbmanis/acq4,ddamiani/pyqtgraph,meganbkratz/acq4,derricw/pyqtgraph,ericdill/pyqtgraph,campagnola/acq4,acq4/acq4,Lx37/pyqtgraph,gvalentine/pyqtgraph,pbmanis/acq4,derricw/pyqtgraph,ng110/pyqtgraph,mgraupe/acq4,onlyjus/pyqtgraph,stscieisenhamer/pyqtgraph,benvermaercke/pyqtgraph,gvalentine/pyqtgraph,JenSte/pyqtgraph,ericdill/pyqtgraph,onlyjus/pyqtgraph,campagnola/acq4,ddamiani/pyqtgraph,acq4/acq4,welshjf/pyqtgraph,petebachant/pyqtgraph,Lx37/pyqtgraph,onlyjus/pyqtgraph,mgraupe/acq4,pbmanis/acq4,stscieisenhamer/pyqtgraph,acq4/acq4,benvermaercke/pyqtgraph,tropp/acq4,pmaunz/pyqtgraph,pbmanis/acq4,mpvismer/pyqtgraph,welshjf/pyqtgraph,pmaunz/pyqtgraph,mgraupe/acq4,duguxy/pyqtgraph,meganbkratz/acq4,welshjf/pyqtgraph,petebachant/pyqtgraph