WIKIUSERNAME -- your Wiki username with web prefix
Your %WIKINAME% with Main web prefix, useful to point to your Medical Histology home page
Examples
%WIKIUSERNAME% expands to Main.WikiGuest, renders as WikiGuest
When used in a template topic, this macro will be expanded when the template is used to create a new topic. See TemplateTopics#TemplateTopicsVars for details