2.3.1 [W3C-HTML52] Section 5.6.2. Making entire documents editable: The designMode IDL attribute
E0001: If the designMode IDL attribute matches the value “inherit” then designMode is enabled if the parent designMode is enabled, and disabled if the parent designMode is disabled
The specification states:
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7.6.2 Making entire documents editable: The designMode IDL attribute ... The designMode IDL attribute on the Document object takes two values, "on" and "off". On setting, the new value must be compared in an ASCII case-insensitive manner to these two values; if it matches the "on" value, then designMode must be enabled, and if it matches the "off" value, then designMode must be disabled. Other values must be ignored.
EdgeHTML Mode
If the designMode
IDL
attribute matches the value “inherit” then designMode
is enabled if the parent designMode
is enabled,
and disabled if the parent designMode
is
disabled.