# [texhax] \hangindent inside vertical mode

VAFA KHALIGHI vafaklg at gmail.com
Thu Sep 29 03:23:28 CEST 2011

but they are not.

On Thu, Sep 29, 2011 at 4:13 AM, Heiko Oberdiek <
heiko.oberdiek at googlemail.com> wrote:

> On Thu, Sep 29, 2011 at 01:14:33AM +1000, VAFA KHALIGHI wrote:
>
> > \hangindent-20pt \hangafter0 does not work inside a \vbox. Is the reason
> > explained somewhere in The TeXBook?
>
> Why do you think it does not work?
> Because -20pt is less than 0pt, the lines will be indented at
> the right side by 20pt.
>
> The TeXbook, "Chapter 14: How TeX Breaks Paragraphs into Lines":
>
> | The command `\hangindent=<dimen>' specifies a so-called hanging
> | indentation, and the command `\hangafter=<number>' specifies the duration
> | of that indentation. Let x and n be the respective values of \hangindent
> | and \hangafter, and let h be the value of \hsize; then if n >= 0, hanging
> | indentation will occur on lines n + 1, n + 2, ... of the paragraph, but
> if
> | n < 0 it will occur on lines 1, 2, ... , |n|. Hanging indentation means
> | that lines will be of width h - |x| instead of their normal width h; if
> | x >= 0, the lines will be indented at the left margin, otherwise they
> will
> | be indented at the right margin. For example, the "dangerous bend"
> | paragraphs of this manual have a hanging indentation of 3 picas that
> lasts
> | for two lines; they were set with \hangindent=3pc and
> | \hangafter=-2.
>
> Yours sincerely
>  Heiko Oberdiek
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