/usr/share/boost-build/tools/docutils.jam is in libboost1.49-dev 1.49.0-3.2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 | # Copyright David Abrahams 2004. Distributed under the Boost
# Software License, Version 1.0. (See accompanying
# file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
# Support for docutils ReStructuredText processing.
import type ;
import scanner ;
import generators ;
import os ;
import common ;
import toolset ;
import path ;
import feature : feature ;
import property ;
.initialized = ;
type.register ReST : rst ;
class rst-scanner : common-scanner
{
    rule __init__ ( paths * )
    {
        common-scanner.__init__ . $(paths) ;
    }
    
    rule pattern ( )
    {
         return "^[ 	]*\\.\\.[ 	]+include::[ 	]+([^
]+)"
        "^[ 	]*\\.\\.[ 	]+image::[ 	]+([^
]+)"
        "^[ 	]*\\.\\.[ 	]+figure::[ 	]+([^
]+)"
        ;
    }
}
scanner.register rst-scanner : include ;
type.set-scanner ReST : rst-scanner ;
generators.register-standard docutils.html : ReST : HTML ;
rule init ( docutils-dir ? : tools-dir ? )
{
    docutils-dir ?= [ modules.peek : DOCUTILS_DIR ] ;
    tools-dir ?= $(docutils-dir)/tools ;
    if ! $(.initialized)
    {
        .initialized = true ;
        .docutils-dir = $(docutils-dir) ;
        .tools-dir = $(tools-dir:R="") ;
       
        .setup = [ 
          common.prepend-path-variable-command PYTHONPATH 
            : $(.docutils-dir) $(.docutils-dir)/extras ] ;
    }
}
rule html ( target : source : properties *  )
{
    if ! [ on $(target) return $(RST2XXX) ]
    {
        local python-cmd = [ property.select <python.interpreter> : $(properties) ] ;
        RST2XXX on $(target) = $(python-cmd:G=:E="python") $(.tools-dir)/rst2html.py ;
    }
}
feature docutils : : free ;
feature docutils-html : : free ;
feature docutils-cmd : : free ;
toolset.flags docutils COMMON-FLAGS : <docutils> ;
toolset.flags docutils HTML-FLAGS : <docutils-html> ;
toolset.flags docutils RST2XXX : <docutils-cmd> ;
  
actions html
{
    $(.setup)
    "$(RST2XXX)" $(COMMON-FLAGS) $(HTML-FLAGS) $(>) $(<)
}
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