compiler.*: doc improvements

basis/compiler/compiler-docs.factor

@@ -54,6 +54,8 @@ $nl
 
 ABOUT: "compiler"
 
+HELP: compiled { $var-description "An " { $link assoc } " used during the compilation process which maps from words to their generated code." } ;
+
 HELP: frontend
 { $values { "word" word } { "tree" sequence } }
 { $description "First step of the compilation process. It outputs a high-level tree in SSA form." } ;

core/compiler/units/units-docs.factor

@@ -91,6 +91,15 @@ $nl
 $nl
 "If classes, methods or generic words were redefined, then inline cache call sites need to be updated as well. Passing " { $link t } " as the " { $snippet "reset-pics?" } " parameter enables this code path."
 }
+{ $examples
+  "Manually creating a word using the non-optimizing compiler:"
+  { $example
+    "USING: compiler.units io ;"
+    "IN: test SYMBOL: foo"
+    "{ { foo [ \"hello!\" write nl ] } } t t modify-code-heap foo"
+    "hello!"
+  }
+}
 { $notes "This word is called at the end of " { $link with-compilation-unit } "." } ;
 
 HELP: compile