Test. Added new unit tests for import/paste: test_import_paste.py. Mi…

…nor doc updates for the new tests.

docs/Development.md

@@ -84,7 +84,8 @@ Checklist for releases
 * Regenerate .po and .mo localisation files (see above)
 * Check at least one non-English language
 * Check any iCal files in validator, e.g. https://icalendar.org/validator.html
-* Run test_entries.py, test_repeats.py & test_ongoing.py unit tests
+* Run test_entries.py, test_repeats.py, test_import_paste.py & test_ongoing.py
+  unit tests
 * Check all test files (testxx_*.ics & generated files) display correctly
 * Check darkmode & backgrounds CSS still work
 * Check mouse clicks/touchscreen taps/swipes work (all views)

docs/known_issues.md

@@ -16,8 +16,9 @@ Major
   (Also, a Month View, e.g. https://www.rmrsoft.com/epoc/month.htm )
 
 * Setting alarms is under development. See [Usage.md](Usage.md) for
-  current details. (Note: a separate alarm program should handle the
-  actual alarm notifications.)
+  current details. Alarms with absolute times are not supported at all.
+  (Note: a separate alarm program should handle the actual alarm
+  notifications.)
 
 * Several event properties are not implemented (attendees, url,
   transparency (i.e. free/busy), user tags, attachments, etc.)