Keypad key "8" Not Working in XML Editor (v4.2 on Prem)

[sschnelbach]

All three of us, using different browsers, have noticed that the 8 on the keypad does not work in the Author view of the XML Editor, but does work in the Source view and everywhere else. 

AEM Guides v4.2

On Prem Installation

[AswiniLakshminarayanan]

We are aware of this issue and it is being evaluated (Ref:DXML-12106)
for now, numbers from main keypad can be used as an alternate way to input the numbers.