and xwininfo(1)
</p></li><li class="listitem"><p>
  Titlebar right mouse button quickly raises or lowers a window
</p></li><li class="listitem"><p>
  Pointer actions 4 and 5 (mouse wheel) are shading and unshading
    (rollup, rolldown) a window
</p></li><li class="listitem"><p>
  Left pointer click on border or corner raises or lowers a window
    while move action will interactively resize the window
</p></li><li class="listitem"><p>
  Middle pointer click on border or corner will only do lower/raise
    