Constructor
Tells whether c should be converted.
Source string, may be changed at any time except during encoding 'foreach' iteration.
Encodes this.source in an 'foreach' iteration over encoded chunks. Each chunk is guaranteed not to be empty.
Encodes all characters except the ASCII graphic, that is, encodes ASCII whitespace and control characters and non-ASCII characters.
Encodes all characters except the ASCII graphic, that is, encodes ASCII whitespace and control characters and non-ASCII characters.