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Enriched text is a formatted text format for e-mail, defined by the IETF in RFC 1896 and associated with the text/enriched MIME type. It is "intended to facilitate the wider interoperation of simple enriched text across a wide variety of hardware and software platforms". As of 2012, enriched text remained almost unknown in e-mail traffic, while HTML e-mail is widely used. Enriched text, or at least the subset of HTML that can be transformed into enriched text, is seen as superior to full HTML for use with e-mail (mainly because of security considerations).〔(Why HTML is Inappropriate for E-Mail )〕A predecessor of this MIME type was called text/richtext in RFC 1341 and RFC 1521. Neither should be confused with Rich Text Format (MIME type text/rtf or application/rtf) which are unrelated specifications, devised by Microsoft.A single newline in enriched text is treated as a space. Formatting commands are in the same style as SGML and HTML. They must be balanced and nested. ==Examples== The following, on the other hand, is not: The following enriched text: yields Blood is thicker than water. :''-- Well-known proverb'' Enriched text is a supported format of Emacs,〔https://www.gnu.org/software/emacs/manual/html_node/emacs/Enriched-Text.html〕 Mutt〔http://www.mutt.org/doc/manual/manual-5.html〕 and Mulberry. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「enriched text」の詳細全文を読む スポンサード リンク
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