Set NetSurf$Dir IconSprites .!Sprites Set File$Type_F79 CSS | Acorn URI protocol If "" = "" Then Set Alias$Open_URI_http .URILaunch If "" = "" Then Set Alias$Open_URI_https .URILaunch If "" = "" Then Set Alias$Open_URI_file .URILaunch | Claim URI files If "" = "" Then Set Alias$@RunType_F91 .URILaunch