Newbie to Emacs-Lisp: Using the fill-paragraph function

Newbie to Emacs-Lisp: Using the fill-paragraph function

[Taylor Jones]

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I'm trying to write a function that inserts C function headers for me with a
little interactive prompting. This is a snippet of what I'm trying to do:

    (if (> (length return) 0)
    (progn
     (insert " *\n")
     (insert " * @return ")
     (insert return)
     (insert "\n")
     (fill-paragraph))
    )

As you can see, after I insert the " * @return <description of return
value>" I want to use the fill-paragraph function, just as I would do if I
were manually typing the line and using the M-q keybinding. When the
fill-parargraph function runs, I get an error message "wrong number of
arguments" and a bunch of gibberish. I've tried a bunch of different
combinations of things and checked the C-h f help page for the
fill-paragraph function, but I'm still stuck.

Any help would be greatly appreciated!

Taylor

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Re: Newbie to Emacs-Lisp: Using the fill-paragraph function

[Eli Zaretskii]

> Date: Tue, 24 Apr 2007 14:20:36 -0700
> From: "Taylor Jones" <taylor.jones@gmail.com>
> 
>     (if (> (length return) 0)
>     (progn
>      (insert " *\n")
>      (insert " * @return ")
>      (insert return)
>      (insert "\n")
>      (fill-paragraph))
>     )
> 
> As you can see, after I insert the " * @return <description of return
> value>" I want to use the fill-paragraph function, just as I would do if I
> were manually typing the line and using the M-q keybinding. When the
> fill-parargraph function runs, I get an error message "wrong number of
> arguments" and a bunch of gibberish.

Did you see in "C-h f" that fill-parargraph requires an argument?  You
need to supply it, otherwise Emacs will rightfully complain.