<samp></samp> ⇐ = ⇐ -- leftwards double arrow, U+21D0 ISOtech
⇐ = ⇐
ISO 10646 does not say that lArr is the same as the 'is implied by' arrow but also does not have any other character for that function. So ? lArr can be used for 'is implied by' as ISOtech suggests
Definition at line 393 of file CharacterEntityReference.java.