This page contains some tests for the MathML ms element. These are rendered via the 'ms.js' polyfill. The polyfill adds the quote marks to the content because the lquote and rquote attributes are not part of core. It also escapes the quoting chars.
Simple string should have '"' around it.
String with quotes (which should be escaped)
Simple string should have '"' around it.
String with quotes (which should be escaped)
String with Guillemets, which are used in French and some other languages (should be escaped). Used in computer languages??? It provides a different test case nonetheless.
Nothing should change when doing rtl because the renderer should reverse the entire string. Hence the lquote remains the first character in the string. If the renderer handles rtl, the entire string (with quotes) will be reversed; otherwise it will look the same.
String with quotes (which should be escaped)
String with quotes (which should be escaped)