3f'>gexp: Allow character literals in GEXP->SEXP.

Age	Commit message (Expand)	Author
2022-08-03	gnu: mingw-w64-tools: Update to 10.0.0.	Kaelyn Takata
2022-08-03	gnu: mingw: Update to 10.0.0.	Kaelyn Takata
Marius Bakke
2019-09-23	repl, marionette: 'self-quoting?' matches keywords.	Ludovic Courtès
2019-07-04	Add (guix repl).	Ludovic Courtès