Gets whether %WEBKIT_HIT_TEST_RESULT_CONTEXT_EDITABLE flag is present in #WebKitHitTestResult:context.
%TRUE if there's an editable element at the coordinates of the @hit_test_result, or %FALSE otherwise
See Implementation
Gets whether %WEBKIT_HIT_TEST_RESULT_CONTEXT_EDITABLE flag is present in #WebKitHitTestResult:context.