Here you go. I didn't write this, though.<font:fontName:fontSize> - sets the font and fontsize as indicated. Example: <font:arial bold:20><tag:???> - not sure what this does<color:rrggbb(aa)> - sets text color in hex format. Example: <color:ff0000> will display red text<bitmap:filePath> - displays a bitmap image indicated by the file path. Example: <bitmap:base/client/ui/demoBanner><spush> - saves the current text formatting so that temporary changes to formatting can be made. Used with spop.<spop> - restores the previously saved text formatting. Used with spush.<sbreak> - not sure what this does<just:left> - left justify<just:right> - right justify<just:center> - center justify<a:ExternalURL>LinkTitle</a> - inserts a hyperlink into the text which will open the user's browser.The external URLmust not have the "http://" format. Example: <a:blockland.us>Blockland</a></a> - Ends a link, text typed after this is normal text unless another <a:ExternalURL> is there.<lmargin: ##> - sets the left margin identation<lmargin%: ##> - sets the left margin identation by % of the screen<rmargin: ##> - sets the right margin identation<rmargin%: ##> - sets the right margin identation by % of the screen<clip:pixels> - cuts off text when it fills more than (pixels) pixels<div:??> - makes a grey background for the text<tab:##(,##,etc)> - sets the tab stops (multiple tabs are separated by commas)<br> - Breaks the current line and begins a new one.<shadow:x:y> - Gives the text a shadow offsetted by x and y.<shadowcolor:rrggbb(aa)> - Sets the color of the text shadow.<linkcolor:rrggbb(aa)> - Sets the color of a link.
This is a better list.