Add a readme for the dreammaker crate

src/dreamchecker/README.md

@@ -22,7 +22,7 @@ diagnostics, making it suitable for use in continuous integration environments.
 In addition to the simple inline diagnostics discovered by the [parsing suite],
 DreamCheckers's whole-program analysis can find problems such as:
 
-[parsing suite]: ../dreammaker/
+[parsing suite]: ../dreammaker/#diagnostics
 
 * Unknown `set` setting names.
 * Undefined types on unused variables.

src/dreammaker/README.md

@@ -0,0 +1,18 @@
+# `dreammaker` library
+
+This library crate implements a parser for the DreamMaker language. It is a
+core component of SpacemanDMM and powers the rest of the tooling.
+
+## Diagnostics
+
+* Preprocessor:
+  * Redefining a macro which is already defined.
+  * Undefining a macro which is not defined.
+  * Unterminated conditional blocks (`#if`/`#ifdef`).
+  * Using a define in a [buggy context][2072419].
+* Language:
+  * Incorrect or correct-but-strange syntax.
+  * Non-constant initial values for object variables.
+  * Integer constants which are outside of range.
+
+[2072419]: https://secure.byond.com/forum/?post=2072419

src/langserver/README.md

@@ -47,17 +47,11 @@ client support.
 
 ## Diagnostics
 
-* Preprocessor:
-  * Redefining a macro which is already defined.
-  * Undefining a macro which is not defined.
-  * Unterminated conditional blocks (`#if`/`#ifdef`).
-  * Using a define in a [buggy context][2072419].
-* Language:
-  * Incorrect or correct-but-strange syntax.
-  * Non-constant initial values for object variables.
-  * Integer constants which are outside of range.
+* All [parsing suite] diagnostics.
+* Optional [DreamChecker] diagnostics.
 
-[2072419]: https://secure.byond.com/forum/?post=2072419
+[parsing suite]: ../dreammaker/#diagnostics
+[DreamChecker]: ../dreamchecker/#diagnostics
 
 ## Signature help