* lisp/org-macro.el (org-macro-expand): Do not try to interpret the
macro replacement text as a regex so that escaped backslashes and
commas in macro arguments will be interpreted correctly.
* lisp/org-macro.el (org-macro--collect-macros): Fix a bug where
reading a macro in a setup file would remove other macros read so
far from template. Change function signature.
(org-macro-initialize-templates): Apply signature change from function
above.
* testing/lisp/test-org-macro.el: Add test.