README: Document END directive.

Has been supported since the first release, but was never documented.
2 files changed, 7 insertions(+), 0 deletions(-)

M CHANGES.md
M README.md
M CHANGES.md +1 -0
@@ 9,6 9,7 @@ Glass 0.6 — ????-??-??
   * The `>>>` unsigned shift right operator is now supported.
   * The `'` character can now be written as `''` in character literals.
   * The `"` character can now be written as `""` in string literals.
+  * Documented the `end` directive, supported since the initial release.
 
 Glass 0.5 — 2017-01-18
 ----------------------

          
M README.md +6 -0
@@ 257,6 257,12 @@ Directives
              ENDIF
              ENDM
     
+  * Source file end: `end`
+    
+    Indicates the end of the current source file. Specifying this is optional,
+    and usually omitted. Any content on lines beyond this directive will not be
+    parsed.
+    
   * Error: `error`
     
     Generates an error and aborts the compilation. Optionally a message can be