Permanent links to a page will display the no-such-page error if the content is moved and the redirect deleted (unlike diff links; see below). Making them more permanent would greatly aid external citation of documents on Wikisource (and presumably elsewhere), and allow the community to tidy up without breaking external links.
For example, the following two links should ideally display the same content:
- working: http://en.wikisource.org/w/index.php?title=The_How_and_Why_Library/Geography/Section_III&oldid=397759
- broken: http://en.wikisource.org/w/index.php?title=The_How_and_Why_Library:_Geography:_Section_III&oldid=397759
Contrast this with diff links, which *are* permanent:
- working: http://en.wikisource.org/w/index.php?title=The_How_and_Why_Library/Geography/Section_III&diff=397759
- working: http://en.wikisource.org/w/index.php?title=The_How_and_Why_Library:_Geography:_Section_III&diff=397759
Version: unspecified
Severity: minor