EQ-ness

[Richard Stallman]

[[[ To any NSA and FBI agents reading my email: please consider    ]]]
[[[ whether defending the US Constitution against all enemies,     ]]]
[[[ foreign or domestic, requires you to follow Snowden's example. ]]]

  > In particular, the bookmark name, which is the
  > car of a bookmark, is a string with a property
  > that holds the entire bookmark.  The bookmark
  > is a list with shared (circular) structure.

  > Emacs has no trouble writing and reading such
  > lists.

Is print-circle non-nil when you write these values?
If not, what do they look like when they come back?
What method is used to make that generate a cyclic list?

-- 
Dr Richard Stallman (https://stallman.org)
Chief GNUisance of the GNU Project (https://gnu.org)
Founder, Free Software Foundation (https://fsf.org)
Internet Hall-of-Famer (https://internethalloffame.org)