Guðmundr of the sheaf in Norwegian Yule celebrations. According to "Hervarar saga ok Heiðreks", the Norwegians came to see Guðmundr as a god; Höfler argued that in both the wolf-form suggested by "Úlfhéðinn" and the horse-form suggested by "faxi", Guðmundr was a death-demon and his death-horse the prototype of the death-horse Sleipnir portrayed on the Gotland picture stones. Ingemar Nordgren regards the first Guðmundr as "a cult-god" and his son, the Guðmundr of the sagas, as portraying him in theriomorphic form, and suggests that he is either an earlier fertility god who came to be identified with Óðinn and that Glæsisvellir
Sleipnir (web browser) can be changed. Internet Explorer's Trident and Mozilla's Gecko were supported. As of version 3.5.0.4000, support for the WebKit rendering engine was implemented and Gecko rendering engine support was terminated. Other features include tab grouping, mouse gestures, page zooming, a search bar, Greasemonkey-like user script support, and plugin support. Bookmarks on Sleipnir can be synced with different platform, using a function called Fenrir Pass. Sleipnir version 5 and onward introduce a proprietary text rendering visually resembling Mac OS text rendering. The feature is not mentioned in their Mac feature set. Sleipnir 2 for Windows: Sleipnir 2 features customizable functions and