i, HTML element type i18n transformer iconic tags ID, data type IDE (Integrated Development Environment) IE [See Microsoft Internet Explorer] IETF (Internet Engineering Task Force) if, XPath operator if, XSLT instruction 2nd IIS (Internet Information Server) Imagemagick, suite 2nd 3rd imagemaps images 2nd abbreviated locations of 2nd alignment of attributes for checking presence of 2nd 3rd descriptions of 2nd dimensions of 2nd 3rd 4th 5th element types for formatting hints for generating by a stylesheet 2nd 3rd 4th 5th 6th 7th 8th 9th linked 2nd 3rd pathnames for 2nd 3rd 4th 5th 6th spacer 2nd standalone transparency of trimming margins of img, HTML element type 2nd 3rd 4th reusing in a custom vocabulary include, CInclude element type include, XInclude element type Inkscape, editor inner focus input, HTML element type input, XForms element type instance, XForms element type instances [See source documents] instructions integer, data type Integrated Development Environment [See IDE] internal DTD subset 2nd 3rd entity declarations in 2nd in output documents Internet Information Server [See IIS] ISO (International Standards Organization) ISO 88591, character encoding 2nd