cli: Identifiers doesn't start with :

alib2cli/src/grammar/AltCliLexer.g4

@@ -122,7 +122,7 @@ INTEGER : [0-9]+;
 //FILE : ([0-9] | [a-z] | [A-Z] | '/' | '.' | '-' | '~' | '~' | '_' | ':' | '\\')+ ;
 // TODO: Id
-IDENTIFIER  : ([a-z] | [A-Z] | '_' | ':' ) ([0-9] | [a-z] | [A-Z] | '_' | ':' )* ;
+IDENTIFIER  : ([a-z] | [A-Z] | '_' ) ([0-9] | [a-z] | [A-Z] | '_' | ':' )* ;
 STRING  : DQUOTE ( STR_TEXT | EOL )* DQUOTE ;

alib2cli/test-src/aql/basic/execute6.aql

+execute <:int #2
\ No newline at end of file