(lemacs.info)Nroff Mode

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Nroff Mode

   Nroff mode is a mode like Text mode but modified to handle nroff
commands present in the text.  Invoke `M-x nroff-mode' to enter this
mode.  Nroff mode differs from Text mode in only a few ways.  All nroff
command lines are considered paragraph separators, so that filling never
garbles the nroff commands.  Pages are separated by `.bp' commands.
Comments start with backslash-doublequote.  There are also three special
commands that are not available in Text mode:

     Move to the beginning of the next line that isn't an nroff command
     (`forward-text-line').  An argument is a repeat count.

     Like `M-n' but move up (`backward-text-line').

     Prints in the echo area the number of text lines (lines that are
     not nroff commands) in the region (`count-text-lines').

   The other feature of Nroff mode is Electric Nroff newline mode.
This is a minor mode that you can turn on or off with `M-x
electric-nroff-mode' (Note: Minor Modes.).  When the mode is on and
you use RET to end a line containing an nroff command that opens a kind
of grouping, Emacs automatically inserts the matching nroff command to
close that grouping on the following line.  For example, if you are at
the beginning of a line and type `.(b RET', the matching command `.)b'
will be inserted on a new line following point.

   Entering Nroff mode calls the value of the variable `text-mode-hook'
with no arguments, if that value exists and is not `nil'; then it does
the same with the variable `nroff-mode-hook'.

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