Internal output state flags at end of last string parsed. This is a combination of bit flags:

0x0001 - last string ended within a line of text
0x0002 - caps flag '\^' pending
0x0004 - lowercase flag '\v' pending
0x0008 - last string ended within an HTML tag
0x0010 - last string ended in double-quoted HTML tag attribute text
0x0020 - last string ended in single-quoted HTML tag attribute text
0x0040 - last string ended with an ordinary space
0x0080 - last string ended with a quoted space '\ '
0x0100 - <Q> parity level: 0=double quotes, 1=single quotes
0x0300 - distance from last '\t' tab column (0..3)

tag in progress at end of last string parsed

Explicitly reset to the start of a line. This can be called after a non-output operation that resets the line position, such as reading an input line.

Reset the state. This should be used when the output stream context is reset, such as when clearing the window.