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diff --git a/src/engine/SCons/Tool/SCCS.xml b/src/engine/SCons/Tool/SCCS.xml
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+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+__COPYRIGHT__
+
+This file is processed by the bin/SConsDoc.py module.
+See its __doc__ string for a discussion of the format.
+-->
+
+<!DOCTYPE sconsdoc [
+<!ENTITY % scons SYSTEM '../../../../doc/scons.mod'>
+%scons;
+<!ENTITY % builders-mod SYSTEM '../../../../doc/generated/builders.mod'>
+%builders-mod;
+<!ENTITY % functions-mod SYSTEM '../../../../doc/generated/functions.mod'>
+%functions-mod;
+<!ENTITY % tools-mod SYSTEM '../../../../doc/generated/tools.mod'>
+%tools-mod;
+<!ENTITY % variables-mod SYSTEM '../../../../doc/generated/variables.mod'>
+%variables-mod;
+]>
+
+<sconsdoc xmlns="http://www.scons.org/dbxsd/v1.0"
+          xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+          xsi:schemaLocation="http://www.scons.org/dbxsd/v1.0 http://www.scons.org/dbxsd/v1.0/scons.xsd">
+
+<tool name="SCCS">
+<summary>
+<para>
+Sets construction variables for interacting with the
+Source Code Control System.
+</para>
+</summary>
+<sets>
+<item>SCCS</item>
+<item>SCCSFLAGS</item>
+<item>SCCSGETFLAGS</item>
+<item>SCCSCOM</item>
+</sets>
+<uses>
+<item>SCCSCOMSTR</item>
+</uses>
+</tool>
+
+<cvar name="SCCS">
+<summary>
+<para>
+The SCCS executable.
+</para>
+</summary>
+</cvar>
+
+<cvar name="SCCSCOM">
+<summary>
+<para>
+The command line used to
+fetch source files from SCCS.
+</para>
+</summary>
+</cvar>
+
+<cvar name="SCCSCOMSTR">
+<summary>
+<para>
+The string displayed when fetching
+a source file from a CVS repository.
+If this is not set, then &cv-link-SCCSCOM;
+(the command line) is displayed.
+</para>
+</summary>
+</cvar>
+
+<cvar name="SCCSFLAGS">
+<summary>
+<para>
+General options that are passed to SCCS.
+</para>
+</summary>
+</cvar>
+
+<cvar name="SCCSGETFLAGS">
+<summary>
+<para>
+Options that are passed specifically to the SCCS "get" subcommand.
+This can be set, for example, to
+<option>-e</option>
+to check out editable files from SCCS.
+</para>
+</summary>
+</cvar>
+
+<scons_function name="SCCS">
+<arguments signature="env">
+()
+</arguments>
+<summary>
+<para>
+A factory function that
+returns a Builder object
+to be used to fetch source files
+from SCCS.
+The returned Builder
+is intended to be passed to the
+&f-link-SourceCode;
+function.
+</para>
+
+<para>
+Example:
+</para>
+
+<example_commands>
+env.SourceCode('.', env.SCCS())
+</example_commands>
+
+<para>
+Note that
+&scons;
+will fetch source files
+from SCCS subdirectories automatically,
+so configuring SCCS
+as demonstrated in the above example
+should only be necessary if
+you are fetching from
+<filename>s.SCCS</filename>
+files in the same
+directory as the source files,
+or if you need to explicitly specify SCCS
+for a specific subdirectory.
+</para>
+</summary>
+</scons_function>
+
+</sconsdoc>