- The <STRONG>touchwin</STRONG> and <STRONG>touchline</STRONG> routines throw away all optimization infor-
- mation about which parts of the window have been touched, by pretending
- that the entire window has been drawn on. This is sometimes necessary
- when using overlapping windows, since a change to one window affects
- the other window, but the records of which lines have been changed in
- the other window do not reflect the change. The routine <STRONG>touchline</STRONG> only
- pretends that <EM>count</EM> lines have been changed, beginning with line <EM>start</EM>.
+ The <STRONG>touchwin</STRONG> and <STRONG>touchline</STRONG> routines throw away all optimization
+ information about which parts of the window have been touched, by
+ pretending that the entire window has been drawn on. This is sometimes
+ necessary when using overlapping windows, since a change to one window
+ affects the other window, but the records of which lines have been
+ changed in the other window do not reflect the change. The routine
+ <STRONG>touchline</STRONG> only pretends that <EM>count</EM> lines have been changed, beginning
+ with line <EM>start</EM>.