1199 Adobe Illustrator 88 Image (Vector) The documents (files) created by Adobe Illustrator are PostScript language documents. A PostScript language document description that minimally conforms to the Document Structuring Conventions has two main parts: a prolog and a script. The prolog encapsulates information needed by other programs to interpret the file. The script describes the graphic elements on the page. 165 Georgia Tech Research Institute / Georgia Tech Research Institute 11 Jun 2012 http://mercator.elte.hu/~saman/hu/okt/AI7FileFormat.pdf 19 Jul 2013 application/postscript MIME com.adobe.illustrator-image Apple Uniform Type Identifier fmt/417 PUID ai File extension 882 Adobe Illustrator 88 v1 The first line of the file declares with the Comment prefix %! that the file contains a PostScript program. It then specifies that the file conforms to version 2.0 of the Document Structuring Conventions. The second line contains a %%Creator comment that identifies the version of Adobe Illustrator that generated the PostScript document. The Trademark symbol was found both before and after version 88. 1 Absolute from BOF 0 0 252150532D41646F62652D322E30{1-16}252543726561746F72(3A|3A20)41646F626520496C6C7573747261746F72(28544D29203838|20383828544D29) 883 Adobe Illustrator 88 v2 The first line of the file declares with the Comment prefix %! that the file contains a PostScript program. It then specifies that the file conforms to version 2.0 of the Document Structuring Conventions and further that the file conforms to version 1.2 of the conventions for Encapsulated PostScript Files. In Header DocProcSets: Adobe_Illustrator_88 In Header is DocProcSets: Adobe_Illustrator_88 or Adobe_Illustrator88 1 Absolute from BOF 0 0 252150532D41646F62652D322E3020455053462D312E32{10-2096}2525446F63756D656E7450726F63536574733A41646F62655F496C6C7573747261746F725F3838 884 Adobe Illustrator 88 v3 The first line of the file declares with the Comment prefix %! that the file contains a PostScript program. It then specifies that the file conforms to version 2.0 of the Document Structuring Conventions and further that the file conforms to version 1.2 of the conventions for Encapsulated PostScript Files. In Header is DocProcSets: Adobe_Illustrator_88 or DocProcSets: Adobe_Illustrator88 1 Absolute from BOF 0 0 252150532D41646F62652D322E3020455053462D312E32{10-2096}2525446F63756D656E7450726F63536574733A2041646F62655F496C6C7573747261746F72(5F3838|3838) Has priority over 86 Encapsulated PostScript File Format Has priority over 331 Encapsulated PostScript File Format Has priority over 332 Encapsulated PostScript File Format Has priority over 771 PostScript Has priority over 773 PostScript