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| author |   Ingo Schwarze <schwarze@openbsd.org> | 2015-09-26 12:56:04 +0000 |
|---|---|---|
| committer | Ingo Schwarze <schwarze@openbsd.org> | 2015-09-26 12:56:04 +0000 |
| commit | 825b6671e63797c2bffa5c25b45a250e6f0dc417 (patch) | |
| tree | a6c6eda1fd972f95a4e53ccbe50d8cca332e66bd /mandoc.1 | |
| parent | 2ce3d6ed9e313a0ef2626fa8945ad7b6003845f1 (diff) | |
| download | mandoc-825b6671e63797c2bffa5c25b45a250e6f0dc417.tar.gz mandoc-825b6671e63797c2bffa5c25b45a250e6f0dc417.tar.zst mandoc-825b6671e63797c2bffa5c25b45a250e6f0dc417.zip | |
briefly document -T tree output
Diffstat (limited to 'mandoc.1')
| -rw-r--r-- | mandoc.1 | 44 |
1 files changed, 42 insertions, 2 deletions
@@ -1,4 +1,4 @@ -.\" $Id: mandoc.1,v 1.160 2015/09/14 15:36:14 schwarze Exp $ +.\" $Id: mandoc.1,v 1.161 2015/09/26 12:56:04 schwarze Exp $ .\" .\" Copyright (c) 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv> .\" Copyright (c) 2012, 2014, 2015 Ingo Schwarze <schwarze@openbsd.org> @@ -15,7 +15,7 @@ .\" ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF .\" OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. .\" -.Dd $Mdocdate: September 14 2015 $ +.Dd $Mdocdate: September 26 2015 $ .Dt MANDOC 1 .Os .Sh NAME @@ -284,6 +284,8 @@ See .Sx PostScript Output . .It Fl T Cm tree Produce an indented parse tree. +See +.Sx Syntax tree output . .It Fl T Cm utf8 Encode output in the UTF\-8 multi-byte format. See @@ -490,6 +492,44 @@ to force a UTF\-8 locale. See .Sx Locale Output for details and options. +.Ss Syntax tree output +Use +.Fl T Cm tree +to show a human readable representation of the syntax tree. +It is useful for debugging the source code of manual pages. +The exact format is subject to change, don't write parsers for it. +Each output line shows one syntax tree node. +Child nodes are indented with respect to their parent node. +The columns are: +.Pp +.Bl -enum -compact +.It +For macro nodes, the macro name; for text and +.Xr tbl 7 +nodes, the content. There is a special format for +.Xr eqn 7 +nodes. +.It +Node type (text, elem, block, head, body, body-end, tail, tbl, eqn). +.It +Flags: +.Bl -dash -compact +.It +An opening parenthesis if the node is an opening delimiter. +.It +An asterisk if the node starts a new input line. +.It +The input line number (starting at one). +.It +A colon. +.It +The input column number (starting at one). +.It +A closing parenthesis if the node is a closing delimiter. +.It +A full stop if the node ends a sentence. +.El +.El .Sh ENVIRONMENT .Bl -tag -width MANPAGER .It Ev MANPAGER |