There are small typos in:
- doc/source/how_to_use.rst
- doc/source/region_of_interest.rst
- examples/ViewBox.py
- pyqtgraph/flowchart/Node.py
- pyqtgraph/graphicsItems/AxisItem.py
- pyqtgraph/graphicsItems/PColorMeshItem.py
- pyqtgraph/graphicsItems/PlotDataItem.py
- pyqtgraph/graphicsItems/TargetItem.py
- pyqtgraph/graphicsItems/ViewBox/ViewBox.py
- pyqtgraph/widgets/RawImageWidget.py
Fixes:
- Should read `mapped` rather than `maped`.
- Should read `vector` rather than `vetctor`.
- Should read `value` rather than `vaule`.
- Should read `preferable` rather than `preferrable`.
- Should read `output` rather than `ouptut`.
- Should read `information` rather than `inforation`.
- Should read `information` rather than `infomation`.
- Should read `exempt` rather than `excempt`.
- Should read `emphasizing` rather than `emphacizing`.
- Should read `construction` rather than `constrution`.
