RFC 1867 Form-based File Upload in HTML November 1995 This proposal makes two changes to HTML: 1) Add a FILE option for the TYPE attribute of INPUT. 2) Allow an ACCEPT attribute for INPUT tag, which is a list of media types or type patterns allowed for the input. In addition, it defines a new MIME media type, multipart/form-data, and specifies the behavior of HTML user agents when interpreting a form with ENCTYPE="multipart/form-data" and/or tags. These changes might be considered independently, but are all necessary for reasonable file upload. The author of an HTML form who wants to request one or more files from a user would write (for example):The change to the HTML DTD is to add one item to the entity "InputType". In addition, it is proposed that the INPUT tag have an ACCEPT attribute, which is a list of comma-separated media types. ... (other elements) ... Nebel & Masinter Experimental