Reencode VBALexer and VBAParser to UTF-8

Author: Vogel612

Rubberduck.Parsing/Grammar/VBALexer.g4

@@ -299,9 +299,9 @@ WS : [ \t];
 GUIDLITERAL : '{' [0-9A-F]+ '-' [0-9A-F]+ '-' [0-9A-F]+ '-' [0-9A-F]+ '-' [0-9A-F]+ '}';
 IDENTIFIER :  ~[[\]()\r\n\t.,'"|!@#$%^&*\-+:=; 0-9-/\\] ~[[\]()\r\n\t.,'"|!@#$%^&*\-+:=; ]*;
 LINE_CONTINUATION : [ \t]* UNDERSCORE [ \t]* '\r'? '\n';
-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];
 fragment A:('a'|'A');
 fragment B:('b'|'B');
 fragment C:('c'|'C');