Update VBA.g4

added to changelog

Author: retailcoder

Rubberduck.Parsing/Grammar/VBA.g4

@@ -74,6 +74,7 @@
 *   - fixed precompiler directives, which can now be nested. they still can't interfere with other blocks though.
 *   - optional parameters can be a valueStmt.
 *   - added support for Octal and Currency literals.
+*   - implemented proper specs for DATELITERAL.
 *
 *======================================================================================
 *
@@ -937,9 +938,9 @@ IDENTIFIER :  (~[\[\]\(\)\r\n\t.,'"|!@#$%^&*-+:=; ])+ | L_SQUARE_BRACKET (~[!\]\
 
 
 // letters
-fragment LETTER : [a-zA-Z_äöüÄÖÜ];
+fragment LETTER : [a-zA-Z_äöüÄÖÜ];
 fragment DIGIT : [0-9];
-fragment LETTERORDIGIT : [a-zA-Z0-9_äöüÄÖÜ];
+fragment LETTERORDIGIT : [a-zA-Z0-9_äöüÄÖÜ];
 
 // case insensitive chars
 fragment A:('a'|'A');
@@ -967,4 +968,4 @@ fragment V:('v'|'V');
 fragment W:('w'|'W');
 fragment X:('x'|'X');
 fragment Y:('y'|'Y');
-fragment Z:('z'|'Z');
+fragment Z:('z'|'Z');