diff --git a/poky/documentation/tools/mega-manual.sed b/poky/documentation/tools/mega-manual.sed
new file mode 100644
index 0000000..c525ab4
--- /dev/null
+++ b/poky/documentation/tools/mega-manual.sed
@@ -0,0 +1,39 @@
+#
+# SPDX-License-Identifier: CC-BY-2.0-UK
+#
+# Processes bitbake-user-manual (<word>-<word>-<word> style).
+# This style is for manual three-word folders, which currently is only the BitBake User Manual.
+# We used to have the "yocto-project-qs" and "poky-ref-manual" folders but no longer do.
+# s@"ulink" href="http://www.yoctoproject.org/docs/3.1/[a-z]*-[a-z]*-[a-z]*/[a-z]*-[a-z]*-[a-z]*.html#@"link" href="#@g
+s@"ulink" href="http://www.yoctoproject.org/docs/3.1/bitbake-user-manual/bitbake-user-manual.html#@"link" href="#@g
+
+# Processes all other manuals (<word>-<word> style).
+# This style is for manual folders that use two word, which is the standard now (e.g. "ref-manual").
+# Here is the one-liner:
+# s@"ulink" href="http://www.yoctoproject.org/docs/3.1/[a-z]*-[a-z]*/[a-z]*-[a-z]*.html#@"link" href="#@g
+
+s@"ulink" href="http://www.yoctoproject.org/docs/3.1/sdk-manual/sdk-manual.html#@"link" href="#@g
+s@"ulink" href="http://www.yoctoproject.org/docs/3.1/bsp-guide/bsp-guide.html#@"link" href="#@g
+s@"ulink" href="http://www.yoctoproject.org/docs/3.1/dev-manual/dev-manual.html#@"link" href="#@g
+s@"ulink" href="http://www.yoctoproject.org/docs/3.1/overview-manual/overview-manual.html#@"link" href="#@g
+s@"ulink" href="http://www.yoctoproject.org/docs/3.1/brief-yoctoprojectqs/brief-yoctoprojectqs.html#@"link" href="#@g
+s@"ulink" href="http://www.yoctoproject.org/docs/3.1/kernel-dev/kernel-dev.html#@"link" href="#@g
+s@"ulink" href="http://www.yoctoproject.org/docs/3.1/profile-manual/profile-manual.html#@"link" href="#@g
+s@"ulink" href="http://www.yoctoproject.org/docs/3.1/ref-manual/ref-manual.html#@"link" href="#@g
+s@"ulink" href="http://www.yoctoproject.org/docs/3.1/toaster-manual/toaster-manual.html#@"link" href="#@g
+
+# Process cases where just an external manual is referenced without an id anchor
+s@<a class="ulink" href="http://www.yoctoproject.org/docs/3.1/brief-yoctoprojectqs/brief-yoctoprojectqs.html" target="_top">Yocto Project Quick Build</a>@Yocto Project Quick Build@g
+s@<a class="ulink" href="http://www.yoctoproject.org/docs/3.1/bitbake-user-manual/bitbake-user-manual.html" target="_top">BitBake User Manual</a>@BitBake User Manual@g
+s@<a class="ulink" href="http://www.yoctoproject.org/docs/3.1/dev-manual/dev-manual.html" target="_top">Yocto Project Development Tasks Manual</a>@Yocto Project Development Tasks Manual@g
+s@<a class="ulink" href="http://www.yoctoproject.org/docs/3.1/overview-manual/overview-manual.html" target="_top">Yocto Project Overview and Concepts Manual</a>@Yocto project Overview and Concepts Manual@g
+s@<a class="ulink" href="http://www.yoctoproject.org/docs/3.1/sdk-manual/sdk-manual.html" target="_top">Yocto Project Application Development and the Extensible Software Development Kit (eSDK)</a>@Yocto Project Application Development and the Extensible Software Development Kit (eSDK)@g
+s@<a class="ulink" href="http://www.yoctoproject.org/docs/3.1/bsp-guide/bsp-guide.html" target="_top">Yocto Project Board Support Package (BSP) Developer's Guide</a>@Yocto Project Board Support Package (BSP) Developer's Guide@g
+s@<a class="ulink" href="http://www.yoctoproject.org/docs/3.1/profile-manual/profile-manual.html" target="_top">Yocto Project Profiling and Tracing Manual</a>@Yocto Project Profiling and Tracing Manual@g
+s@<a class="ulink" href="http://www.yoctoproject.org/docs/3.1/kernel-dev/kernel-dev.html" target="_top">Yocto Project Linux Kernel Development Manual</a>@Yocto Project Linux Kernel Development Manual@g
+s@<a class="ulink" href="http://www.yoctoproject.org/docs/3.1/ref-manual/ref-manual.html" target="_top">Yocto Project Reference Manual</a>@Yocto Project Reference Manual@g
+s@<a class="ulink" href="http://www.yoctoproject.org/docs/3.1/toaster-manual/toaster-manual.html" target="_top">Toaster User Manual</a>@Toaster User Manual@g
+
+# Process a single, rouge occurrence of a linked reference to the Mega-Manual.
+s@<a class="ulink" href="http://www.yoctoproject.org/docs/3.1/mega-manual/mega-manual.html" target="_top">Yocto Project Mega-Manual</a>@Yocto Project Mega-Manual@g
+