Vector Markup Language MHT). Such files retain complete vector information, and can be reopened for editing using other Microsoft applications, such as Microsoft PowerPoint. VML was natively supported by Microsoft's Internet Explorer up to version 9 inline within HTML, using an undefined version of SGML namespaces. Support for VML was dropped in Internet Explorer 10 and subsequent versions. Support for "ink annotations" in Office Open XML files was added to LibreOffice during the 3.7 development cycle. VML is not natively supported by most web browsers. Web browsers such as Mozilla Firefox, Opera, Safari or Google Chrome support SVG instead of VML. Though VML
ProtoShare a Microsoft Word doc, as an archived HTML site, or to a web URL. ProtoShare is browser-based software, compatible with multiple operating systems. Internet Explorer 10, latest Firefox, latest Safari, and latest Chrome browsers on both Windows and Mac OS are supported in the Review section of the tool, which is where collaborators interact with and comment on prototypes. Mobile prototypes can also be linked to a handheld mobile device's browser for app simulation. The build and edit functionality of ProtoShare, where developers create the prototypes, is supported by the latest Firefox, Safari, and Chrome browsers on Windows and Mac