Text alignment viewer (based on the ncurses library). In the viewer,
press `?' for help and press `g' to check the alignment start from a
-region in the format like `chr10:10,000,000'. Note that if the region
-showed on the screen contains no mapped reads, a blank screen will be
-seen. This is a known issue and will be improved later.
+region in the format like `chr10:10,000,000'.
.RE