Tests

numvar_dimensioned()
	E_NUMVAR_ARRAY
	E_INVAL_DIM for table
	E_TYPE_MISMATCH

option_decl()
	E_SYNTAX	

list_expr()
	E_FUNARG_AS_ARRAY

table_expr()
	E_FUNARG_AS_ARRAY

check_jump()
	Add context?

lex_parse_quoted_str()
	E_STR_NOEND

lex_parse_data_elem()
	E_STR_NOEND

* Change syntax errors to semantic errors for string - numeric expressions
combinations, internal functions with invalid number of arguments of wrong
type of arguments, etc. Check 20, 36, 37, 102, 103, 104, 105, 106, 113, 143,
144, 145, 147, 149, 150, 155, 156, 157, 158, 159, 185, 189, 191, 192, 193,
194, 195, 206, 207, 208.

* Add debug opcode for column positions.

* Check at compile time indexes for arrays that are constants.

