clarify scoped names a bit more

docs/source/programming.rst

@@ -111,11 +111,14 @@ Be careful when importing other modules; blocks in your own code cannot have
 the same name as a block defined in an imported module or library.
 
 .. sidebar::
-    Use qualified names ("dotted names") to reference symbols defined elsewhere
+    Using qualified names ("dotted names") to reference symbols defined elsewhere
 
-    In prog8 every symbol is 'public' and can be accessed from anywhere else, given its *full* "dotted name".
+    Every symbol is 'public' and can be accessed from anywhere else, when given its *full* "dotted name".
     So, accessing a variable ``counter`` defined in subroutine ``worker`` in block ``main``,
     can be done from anywhere by using ``main.worker.counter``.
+    Unlike most other programming langues, as soon as a name is scoped,
+    Prog8 treats it as a name starting in the *global* namespace.
+    Relative name lookup is only performed for *non-scoped* names.
 
 The address can be used to place a block at a specific location in memory.
 Usually it is omitted, and the compiler will automatically choose the location (usually immediately after

docs/source/syntaxreference.rst

@@ -270,6 +270,15 @@ Examples of valid identifiers::
 	приблизительно
 	π
 
+**Scoped names**
+
+Sometimes called "qualified names" or "dotted names", a scoped name is a sequence of identifiers separated by a dot.
+They are used to reference symbols in other scopes. Note that unlike many other programming languages,
+scoped names always need to be fully scoped (because they always start in the global scope). Also see :ref:`blocks`::
+
+    main.start              ; the entrypoint subroutine
+    main.start.variable     ; a variable in the entrypoint subroutine
+
 
 Code blocks
 -----------

docs/source/todo.rst

@@ -2,6 +2,7 @@
 TODO
 ====
 
+- add functions to const eval that we know how to evaluate (math.*, etc)
 - [on branch: shortcircuit] investigate McCarthy evaluation again? this may also reduce code size perhaps for things like if a>4 or a<2 ....
 
 ...