[EventCalendar] ec3_get_events() not translating ampersands into character entities

[JD Puglisi]

OK...one more for you to try. Let's filter the title call in the calendar.

In template-functions.php, (around line 234
Find
$calendar_days[$day_id]->get_titles()

Replace it with
wp_specialchars($calendar_days[$day_id]->get_titles())

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I have now added your suggested fix. The page loads without visible
error messages but alas, the same validation errors persist. Here is
just one of the error messages:

---validator.w3.org---
Line 704, Column 197: reference not terminated by REFC delimiter.