4.6 Blank Lines
Here are special commands and techniques for putting in and taking out
Insert one or more blank lines after the cursor (`open-line').
Delete all but one of many consecutive blank lines
When you want to insert a new line of text before an existing line,
you can do it by typing the new line of text, followed by <RET>.
However, it may be easier to see what you are doing if you first make a
blank line and then insert the desired text into it. This is easy to do
using the key `C-o' (`open-line'), which inserts a newline after point
but leaves point in front of the newline. After `C-o', type the text
for the new line. `C-o F O O' has the same effect as `F O O <RET>',
except for the final location of point.
You can make several blank lines by typing `C-o' several times, or
by giving it a numeric argument to tell it how many blank lines to make.
Note: Arguments, for how. If you have a fill prefix, then `C-o'
command inserts the fill prefix on the new line, when you use it at the
beginning of a line. Note: Fill Prefix.
The easy way to get rid of extra blank lines is with the command
`C-x C-o' (`delete-blank-lines'). `C-x C-o' in a run of several blank
lines deletes all but one of them. `C-x C-o' on a solitary blank line
deletes that blank line. When point is on a nonblank line, `C-x C-o'
deletes any blank lines following that nonblank line.
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