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diff --git a/docs/Miscellaneous/Documentation Development.md b/docs/Miscellaneous/Documentation Development.md
new file mode 100644
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+++ b/docs/Miscellaneous/Documentation Development.md	
@@ -0,0 +1,178 @@
+---
+title: Documentation Development
+nav_order: 9
+permalink: /Documentation/Development
+---
+
+# Documentation Development  
+{: .no_toc }
+
+This chapter covers the consumption of the documentation, e.g. in an IDE, as well as the development process of the content itself.
+
+* TOC goes here
+{:toc}
+## Permanent Links
+
+The stable, or machine-accessible part of the documentation tree is rooted on the `/tB/` prefix. The URLs with this prefix, as well as the internal links (e.g. [`docs.twinbasic.com/tB/Modules/Math#round`](../tB/Modules/Math#round)), are stable.
+
+### /tB/Core/\<Statement\>
+
+- [AppActivate](../tB/Core/AppActivate)
+- [Beep](../tB/Core/Beep)
+- [Call](../tB/Core/Call)
+- [ChDir](../tB/Core/ChDir)
+- [ChDrive](../tB/Core/ChDrive)
+- [Class](../tB/Core/Class)
+- [Close](../tB/Core/Close)
+- [CoClass](../tB/Core/CoClass)
+- [Const](../tB/Core/Const)
+- [Continue](../tB/Core/Continue)
+- [Date](../tB/Core/Date)
+- [Declare](../tB/Core/Declare)
+- [Deftype](../tB/Core/Deftype)
+- [DeleteSetting](../tB/Core/DeleteSetting)
+- [Dim](../tB/Core/Dim)
+- [Do-Loop](../tB/Core/Do-Loop)
+- [End](../tB/Core/End)
+- [Enum](../tB/Core/Enum)
+- [Erase](../tB/Core/Erase)
+- [Error](../tB/Core/Error)
+- [Event](../tB/Core/Event)
+- [Exit](../tB/Core/Exit)
+- [FileCopy](../tB/Core/FileCopy)
+- [For-Next](/tB/Core/For-Next)
+- [Function](../tB/Core/Function)
+- [Get](../tB/Core/Get)
+- [GetSetting](../tB/Core/GetSetting)
+- [GoSub-Return](../tB/Core/GoSub-Return)
+- [GoTo](../tB/Core/GoTo)
+- [If-Then-Else](../tB/Core/If-Then-Else)
+- [Implements](../tB/Core/Implements)
+- [Input](../tB/Core/Input)
+- [Interface](../tB/Core/Interface)
+- [Is](../tB/Core/Is)
+- [Kill](../tB/Core/Kill)
+- [LBound](../tB/Core/LBound)
+- [Let](../tB/Core/Let)
+- [Line-Input](../tB/Core/Line-Input)
+- [Load](../tB/Core/Load)
+- [Lock](../tB/Core/Lock)
+- [LSet](../tB/Core/LSet)
+- [Mid-equals](../tB/Core/Mid-equals) for `Mid(...) = ...` 
+- [MidB-equals](../tB/Core/MidB-equals) for `MidB(...) = ...`
+- [MkDir](../tB/Core/MkDir)
+- [Module](../tB/Core/Module)
+- [Name](../tB/Core/Name)
+- [New](../tB/Core/New)
+- [Option](../tB/Core/Option)
+- [On-Error](../tB/Core/On-Error)
+- [On-GoSub](../tB/Core/On-GoSub)
+- [On-GoTo](../tB/Core/On-GoTo)
+- [Open](../tB/Core/Open)
+- [ParamArray](../tB/Core/ParamArray)
+- [Print](../tB/Core/Print)
+- [Private](../tB/Core/Private)
+- [Property](../tB/Core/Property)
+- [Public](../tB/Core/Public)
+- [Put](../tB/Core/Put)
+- [RaiseEvent](../tB/Core/RaiseEvent)
+- [ReDim](../tB/Core/ReDim)
+- [Reset](../tB/Core/Reset)
+- [Resume](../tB/Core/Resume)
+- [RmDir](../tB/Core/RmDir)
+- [RSet](../tB/Core/RSet)
+- [SavePicture](../tB/Core/SavePicture)
+- [SaveSetting](../tB/Core/SaveSetting)
+- [Seek](../tB/Core/Seek)
+- [Select-Case](../tB/Core/Select-Case)
+- [SendKeys](../tB/Core/SendKeys)
+- [Set](../tB/Core/Set)
+- [SetAttr](../tB/Core/SetAttr)
+- [Static](../tB/Core/Static)
+- [Sub](../tB/Core/Sub)
+- [Stop](../tB/Core/Stop)
+- [Time](../tB/Core/Time)
+- [Type](../tB/Core/Type)
+- [Unload](../tB/Core/Unload)
+- [Unlock](../tB/Core/Unlock)
+- [While-Wend](../tB/Core/While-Wend)
+- [Width](../tB/Core/Width)
+- [With](../tB/Core/With)
+- [Write](../tB/Core/Write)
+
+### /tB/Modules/\<ModuleName\>
+
+These are modules within VBA and VBRUN:
+
+- VBA
+  - [Collection](../tB/Modules/Collection)
+  - [Compilation](../tB/Modules/Compilation)
+  - [Constants](../tB/Modules/Constants)
+  - [Conversion](../tB/Modules/Conversion)
+  - [DateTime](../tB/Modules/DateTime)
+  - [ErrObject](../tB/Modules/ErrObject)
+  - [ExpressionService](../tB/Modules/ExpressionService)
+  - [FileSystem](../tB/Modules/FileSystem)
+  - [Financial](../tB/Modules/Financial)
+  - [Information](../tB/Modules/Information)
+  - [Interaction](../tB/Modules/Interaction)
+  - [Math](../tB/Modules/Math)
+  - [Strings](../tB/Modules/Strings)
+  - [TextEncodingConstants](../tB/Modules/TextEncodingConstants)
+  - Internal [_HiddenModule](../tB/Modules/_HiddenModule)
+- VBRUN
+  - [AmbientProperties](../tB/Modules/AmbientProperties)
+  - [AsyncProperty](../tB/Modules/AsyncProperty)
+  - [Constants](../tB/Modules/Constants)
+  - [ContainedControls](../tB/Modules/ContainedControls)
+  - [DataMembers](../tB/Modules/DataMembers)
+  - [DataObject](../tB/Modules/DataObject)
+  - [ErrorCallstack](../tB/Modules/ErrorCallstack)
+  - [ErrorContext](../tB/Modules/ErrorContext)
+  - [ErrorStackFrame](../tB/Modules/ErrorStackFrame)
+  - [Hyperlink](../tB/Modules/Hyperlink)
+  - [ParentControls](../tB/Modules/ParentControls)
+  - [PropertyBag](../tB/Modules/PropertyBag)
+
+## Documentation Development Environment
+
+The documentation is built (renderd to html) using [Jekyll][jekyllrb].
+
+1. Ensure that Jekyll and Ruby are installed.
+
+   - [Installing Jekyll via RubyInstaller on Windows](https://jekyllrb.com/docs/installation/windows/#installation-via-rubyinstaller)
+
+   Also ensure that Jekyll is in the PATH. To adjust the path on Windows, press <kbd>⊞ R</kbd>, type `SystemPropertiesAdvanced ` <kbd> Enter</kbd>, and click the **Environment Variables...** button. ![img](Images/environment-variables.png)
+
+2. Fork [https://github.com/twinbasic/documentation][docs-repo] to your own GitHub account if you plan on making any changes or for convenience. This can be skipped if you just want to build the documentation without changes.
+
+3. Clone either your fork in #2, or the [documentation repository itself][docs-repo].
+
+4. **Go to the `/docs` folder in the cloned working tree.** Building, serving, and other documentation operations are all done in this folder, *not* in the repository root.
+
+To build the documentation, i.e. render it from `.md` files to the `_site` folder:
+
+    bundle exec jekyll build
+
+To build and serve the documentation from http://localhost:4000:
+
+    bundle exec jekyll serve
+
+or, on Windows only:
+
+    serve.bat
+
+The documentation server detects changes in the filesystem and automatically regenerates the html files as needed. The server does *not* follow changes in `_config.yml`. If you change the configuration, the server has to be restarted. Interrupt the server by pressing **^C** repeatedly.
+
+To check that none of the internal links in the documentation are broken:
+
+    bundle exec htmlproofer ./_site --disable-external --no-enforce-https
+
+or, on Windows only
+
+    check.bat
+
+
+
+[docs-repo]: https://github.com/twinbasic/documentation
+[jekyllrb]: https://jekyllrb.com/
diff --git a/docs/Miscellaneous/Images/environment-variables.png b/docs/Miscellaneous/Images/environment-variables.png
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diff --git a/docs/Reference/Core/Option.md b/docs/Reference/Core/Option.md
index eb4d36e3..d409b6b4 100644
--- a/docs/Reference/Core/Option.md
+++ b/docs/Reference/Core/Option.md
@@ -11,7 +11,7 @@ Configures a compiler option.
 * TOC
 {:toc}
 
-## Option Base statement
+## Option Base
 {: #Base }
 
 Syntax: **Option Base** { **0** \| **1** }
diff --git a/docs/Reference/Modules/todo.md b/docs/Reference/Modules/todo.md
new file mode 100644
index 00000000..585b5bc5
--- /dev/null
+++ b/docs/Reference/Modules/todo.md
@@ -0,0 +1,34 @@
+---
+title: General TODO List for /tB/Modules/
+nav_exclude: true
+redirect_from:
+  - /tB/Modules/Collection
+  - /tB/Modules/Compilation
+  - /tB/Modules/Constants
+  - /tB/Modules/Conversion
+  - /tB/Modules/DateTime
+  - /tB/Modules/ErrObject
+  - /tB/Modules/ExpressionService
+  - /tB/Modules/FileSystem
+  - /tB/Modules/Information
+  - /tB/Modules/Interaction
+  - /tB/Modules/TextEncodingConstants
+  - /tB/Modules/_HiddenModule
+  - /tB/Modules/AmbientProperties
+  - /tB/Modules/AsyncProperty
+  - /tB/Modules/Constants
+  - /tB/Modules/ContainedControls
+  - /tB/Modules/DataMembers
+  - /tB/Modules/DataObject
+  - /tB/Modules/ErrorCallstack
+  - /tB/Modules/ErrorContext
+  - /tB/Modules/ErrorStackFrame
+  - /tB/Modules/Hyperlink
+  - /tB/Modules/ParentControls
+  - /tB/Modules/PropertyBag
+---
+
+> [!WARNING]
+>
+> Pardon, we have not documented this module yet.
+