OptionalentitiesMapping from an character entity reference to its decoded value. Entity references should contain only [a-zA-Z] and may optionally start with an ampersand "&" and end with a semicolon ";".
{
"Δ": "\u0394",
"LongRightArrow;": "\u27F6"
}
OptionalisIf true then numeric character references must be terminated
with a semicolon to be decoded. Otherwise, numeric character references are recognized even if they aren't
terminated with a semicolon.
The options recognized by
createEntityDecoder.