* lisp/org-agenda.el (org-agenda-finalize):
(org-agenda-format-item): Do not downcase tags.
(org-downcase-keep-props): Remove unused function.
(org-agenda-filter-expand-tags): Do not case-fold search.
* lisp/org.el (org-tags-expand): Document `downcased' argument as
obsolete and do not allow to expand downcased tags.
* testing/lisp/test-org.el (test-org/tags-expand): Remove test for
downcased tags expansion.
* doc/org-manual.org (TODO keywords, tags, properties, etc.):
Suggest that user-defined are usually lowercase, but don't make it
a requirement.
Reported-by: David Masterson <dsmasterson92630@outlook.com>
Link: https://orgmode.org/list/SJ0PR03MB5455D8D0C4F71AA495A9ABF79B709@SJ0PR03MB5455.namprd03.prod.outlook.com/
13a1a4fb96