For example, character 10 represents the "line feed" function (which causes a printer to advance its paper), and character 8 represents "backspace". RFC 2822 refers to control characters that do not include carriage return, line feed or white space as non-whitespace control characters. Except for the control characters that prescribe elementary line-oriented formatting, ASCII does not define any mechanism for describing the structure or appearance of text within a document. Other schemes, such as markup languages, address page and document layout and formatting.
আরএফসি ২৮২২ কি ধরনের নিয়ন্ত্রণ অক্ষর বোঝায়?
control characters that do not include carriage return, line feed or white space as non-whitespace control characters