Hiding lines
	You can also manually hide lines. To do this, select the lines to hide (all but the very first or last line) and select . The selected lines will be hidden and in the bookmark margin two icons will appear ( indicating the start and
 indicating the start and  indicating the end of the hidden section). Clicking on any of these two icons will show the lines again.
 indicating the end of the hidden section). Clicking on any of these two icons will show the lines again.


