“ The Portal namespace is used slightly differently on Wikisource than it is on Wikipedia. Here it acts as a subject index or for organising and navigating the works in the main namespace. Fair use – Nothing on Wikisource should be under copyright, even if it qualifies as "fair use". Everything must be either in the public domain or freely licensed. Disambiguation – Wikisource mostly uses {{disambiguation}} pages in the same way as Wikipedia, for different works or authors with the same name. ”

“ Layout Toggles through a variety of available layouts that may improve readability. Cookie remember your last layout used. Noting that a default layout can be set by contributor of the work. Page links Toggles display page links/markers on and off—links through to the actual transcription of the work and the scan image of the page. ”

“ Further, in terms of principle, the extension incorporates the Wikimedia concept that anyone can contribute with the process of proofreading sources; everything is open and available to all.
Display options Where a work is transcluded into the main namespace there are a number of means to easily change the display options. ”