Move operations do nothing if the cursor is at an edge where the movement is not possible. The following synonyms are supported where possible:
All other keystrokes are treated as a command to insert the given character and move right (with line wrapping).
This attribute is a flag which controls the interpretation of blanks in the window. When it is on, trailing blanks on each line are ignored; any cursor motion that would land the cursor on a trailing blank goes to the end of that line instead, and trailing blanks are stripped when the window contents are gathered.