toml: allow dotted key lengths > 2 within nested arrays of arrays (#26145)

Author: larpon

vlib/toml/parser/parser.v

@@ -927,11 +927,6 @@ pub fn (mut p Parser) double_array_of_tables(mut table map[string]ast.Value) ! {
 
 	p.ignore_while(all_formatting)
 
-	if dotted_key.len != 2 {
-		return error(@MOD + '.' + @STRUCT + '.' + @FN +
-			' nested array of tables does not support more than 2 levels. (excerpt): "...${p.excerpt()}..."')
-	}
-
 	p.check_explicitly_declared(dotted_key)!
 
 	first := DottedKey([dotted_key[0]]) // The array that holds the entries

vlib/toml/tests/toml_lang_test.v

@@ -21,7 +21,6 @@ const valid_exceptions = [
 	'string/escapes.toml',
 	'string/multiline-quotes.toml',
 	'table/array-implicit-and-explicit-after.toml',
-	'table/array-within-dotted.toml',
 ]
 // NOTE: entries in this list are tests of invalid TOML that should have the parser fail, but currently does not.
 const invalid_exceptions = [