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+.TH GROFF_MAN @MAN7EXT@ "@MDATE@" "Groff Version @VERSION@"
+.
+.SH NAME
+.
+groff_man \- groff `an' macros to support generation of man pages
+.SH SYNOPSIS
+.B groff
+.B \-m@TMAC_AN_PREFIX@an
+[
+.IR options .\|.\|.
+]
+[
+.IR files .\|.\|.
+]
+.
+.SH DESCRIPTION
+.
+The 
+.B tmac.an 
+macros used to generate man pages with 
+.I groff
+were written by James Clark.  
+This document provides a brief summary of the use of each macro in that
+package.
+.TP
+.BI .TP " title section " [ extra1 "] [" extra2 "] [" extra3 ]
+Sets the title of the man page to 
+.I title
+and the section to
+.IR section ,
+which must take on a value between 1 and\ 8.
+The value
+.I section
+may also have a string appended, e.g. `.pm', to indicate a specific
+subsection of the man pages.
+.TP
+.BI .SH " text for a heading"
+Sets up an unindented and unnumbered section heading.
+Prints out all the text following `.SH' up to the end of the line in bold
+face, with a size slightly smaller than that for indented section headings.
+.TP
+.BI .SS " text for a heading"
+Sets up an indented section heading.
+Prints out all the text following `.SS' up to the end of the line in bold
+face, with a size slightly larger than that for unindented section headings.
+.TP
+.BI ".TP [" nnn ]
+Sets up an indented paragraph.
+The indentation is set to 
+.I nnn
+if that argument is supplied.
+The first line of text following this macro is interpreted as a string to be
+printed flush-left, as it is appropriate for a label.
+It is not interpreted as part of a paragraph, so there is no attempt to fill
+the first line with text from the following input lines.
+Nevertheless, if the label is not as wide as the indentation, then the
+paragraph starts at the same line (but indented), continuing on the
+following lines.
+If the label is wider than the indentation, then the descriptive part of the
+paragraph begins on the line following the label, entirely indented.
+The `.TP' macro is the macro used for the explanations you are just reading.
+.TP
+.BR ".LP " or " .PP " or " .P"
+These macros are mutual aliases.
+Any of them causes a line break at the current position, followed by a
+vertical space downwards by the amount that is set in the `PD' counter.
+.TP
+.BI ".IP [" designator "] [" nnn ]
+Sets up an indented paragraph, using 
+.I designator 
+as a tag to mark its beginning.
+The indentation is permanently set to
+.I nnn
+if that argument is supplied.
+To set the indentation back to the previous level, one must call some other
+macro that uses indented paragraphs, and explicitly provide it with the
+value of the previous indentation.
+.IP
+For example, the following paragraphs were all set up with bullets as the
+designator, using `.IP \\(bu 4':
+.IP \(bu 4
+`IP' is one of the three macros used in 
+.B tmac.an
+to format lists.
+.IP \(bu 4
+`HP' is another.
+This macro produces a paragraph with a left hanging indentation.
+.IP \(bu 4
+`TP' is another.
+This macro produces an unindented label (given by the text on the first line
+following `TP'), followed by an indented paragraph with appropriately
+descriptive text.
+.TP
+.BI ".HP [" nnn ]
+Sets up paragraphs with hanging left indentation.
+The indentation is set to
+.I nnn
+if that argument is supplied.
+The following pargraph illustrates the effect of this macro with the hanging
+indentation set to\ 2:
+.HP 2
+This is a pagraph following an invocation of the `.HP' macro.
+As you can see, it produces a paragraph where all lines but the first are
+flushed right and are shorter than the preceding lines.
+.
+.SH "MACROS TO SET FONTS"
+.
+.TP
+.BI .SM 
+Causes the text on the same line or the text on the next line to appear in a
+font that is one point size smaller than the default font.
+.TP
+.BI .SB 
+Causes the text on the same line or the text on the next line to appear in
+small boldface font.
+.TP
+.BI ".BI " text
+Causes text on the same line to appear alternately in bold face and italic.
+The text must be on the same line as the macro call.
+Thus `.BI this word and that' would cause `this' and `and' to appear in bold
+face, while `word' and `that' appear in italics.
+.TP
+.BI ".IB " text
+Causes text to appear alternately in italic and bold face.
+The text must be on the same line as the macro call.
+.TP
+.BI ".BR " text
+Causes text on the same line to appear alternately in bold face and roman.
+The text must be on the same line as the macro call.
+.TP
+.BI ".RB " text
+Causes text on the same line to appear alternately in roman and bold face.
+The text must be on the same line as the macro call.
+.TP
+.BI ".R " text
+Causes text to appear in roman font.
+If no text is present on the line where the macro is called, then the text
+of the next line appears in roman.
+This is the default font to which text is returned at the end of processing
+of the other macros.
+.TP
+.BI ".B " text
+Causes text to appear in bold face.
+If no text is present on the line where the macro is called, then the text
+of the next line appears in bold face.
+.TP
+.BI ".I " text
+Causes text to appear in italic.
+If no text is present on the line where the macro is called, then the text
+of the next line appears in italic.
+.
+.SH "SEE ALSO"
+.
+Since the 
+.B tmac.an
+macros consist of groups of 
+.I groff 
+requests, one can, in principle, supplement the functionality of the
+.B tmac.an
+macros with individual 
+.I groff
+requests where necessary.
+A complete list of these requests is available on the WWW at
+.ce 1
+http://www.cs.pdx.edu/~trent/gnu/groff/groff_toc.html
+.
+.SH AUTHOR
+.
+This manual page was originally written for the Debian GNU/Linux system by
+Susan G. Kleinmann <sgk@debian.org>, corrected by Werner Lemberg
+<wl@gnu.org>, and is now part of the GNU troff distribution.