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+DMBS - Dean's Makefile Build System
+===================================
+
+
+Module: CORE
+------------
+
+The CORE module provides the core DMBS infrastructure used by other DMBS
+modules, and must always be imported. Additionally, this module provides the
+help system for DMBS.
+
+## Importing This Module into a Makefile:
+
+To use this module in your application makefile, add the following code to your
+makefile:
+
+    include $(DMBS_PATH)/core.mk
+
+## Prerequisites:
+
+None.
+
+## Build Targets:
+
+The following targets are supported by this module:
+
+<table>
+ <tbody>
+   <tr>
+    <td>help</td>
+    <td>Show help for the current project, including a list of all available targets, variables and macros from the imported modules.</td>
+   </tr>
+   <tr>
+    <td>list_targets</td>
+    <td>Show a list of all build targets from the imported modules.</td>
+   </tr>
+   <tr>
+    <td>list_modules</td>
+    <td>Show a list of all imported modules.</td>
+   </tr>
+   <tr>
+    <td>list_mandatory</td>
+    <td>Show a list of all mandatory variables from the imported modules.</td>
+   </tr>
+   <tr>
+    <td>list_optional</td>
+    <td>Show a list of all optional variables from the imported modules.</td>
+   </tr>
+   <tr>
+    <td>list_provided</td>
+    <td>Show a list of all variables provided by the imported modules.</td>
+   </tr>
+   <tr>
+    <td>list_macros</td>
+    <td>Show a list of all macros provided by the imported modules.</td>
+   </tr>
+ </tbody>
+</table>
+
+## Mandatory Variables:
+
+The following variables must be defined (with a `NAME = VALUE` syntax, one
+variable per line) in the user makefile to be able to use this module:
+
+<table>
+ <tbody>
+   <tr>
+    <td>N/A</td>
+    <td>This module has no mandatory variables.</td>
+   </tr>
+ </tbody>
+</table>
+
+## Optional Variables:
+
+The following variables may be defined (with a `NAME = VALUE` syntax, one
+variable per line) in the user makefile. If not specified, a default value will
+be assumed.
+
+<table>
+ <tbody>
+   <tr>
+    <td>N/A</td>
+    <td>This module has no optional variables.</td>
+   </tr>
+ </tbody>
+</table>
+
+## Provided Variables:
+
+The following variables may be referenced in a user makefile (via `$(NAME)`
+syntax) if desired, as they are provided by this module.
+
+<table>
+ <tbody>
+   <tr>
+    <td>DMBS_VERSION</td>
+    <td>Current version of this DMBS release, as a ISO 8601 integer (such as `20160403` for `2016-04-03`).</td>
+   </tr>
+ </tbody>
+</table>
+
+## Provided Macros:
+
+The following macros may be referenced in a user makefile (via
+`$(call NAME, ARG1, ARG2, ...)` syntax) if desired, as they are provided by
+this module.
+
+<table>
+ <tbody>
+   <tr>
+    <td>DMBS_CHECK_VERSION</td>
+    <td>Macro to check the current DMBS version against the first argument and abort if the required version is newer than the current version.</td>
+   </tr>
+   <tr>
+    <td>ERROR_IF_UNSET</td>
+    <td>Macro to check the given makefile variable name passed as the first argument, and abort if it has not been set by any makefile module.</td>
+   </tr>
+   <tr>
+    <td>ERROR_IF_EMPTY</td>
+    <td>Macro to check the given makefile variable name passed as the first argument, and abort if it has an empty value.</td>
+   </tr>
+   <tr>
+    <td>ERROR_IF_NONBOOL</td>
+    <td>Macro to check the given makefile variable name passed as the first argument, and abort if it has a value other than `Y` or `N`.</td>
+   </tr>
+ </tbody>
+</table>
+
+## Module Changelog:
+
+The changes to this module since its initial release are listed below, as of the
+DMBS version where the change was made.
+
+### 20160403
+Initial release.