Mat-Selection-List disabled options keyboard selectable

[PanWill]

Bug, feature request, or proposal:

Hello, I am not sure but I think that one shouldn't be able to override disable via keyboard selection (ie: going to the disabled option via tab, down arrow and return). But could be I missed something in the docs.

What is the expected behavior?

What is the current behavior?

See StackBlitz please

What are the steps to reproduce?

https://stackblitz.com/edit/angular-material2-issue-m5gtdy
tab to selection list hit down key and enter

What is the use-case or motivation for changing an existing behavior?

Which versions of Angular, Material, OS, TypeScript, browsers are affected?

Is there anything else we should know?

[devversion]

It's actually intentional. We wanted to make sure that users with a screen reader still have the possibility to see what options are part of the selection list.

[PanWill]

Ok, read yes, navigate yes, but act on (hitting enter)? When that is not the same functionality as non screen readers the intention seems counter intuitive. We want screen reader users to have functionality that does not exist otherwise and causing errors to be sent in forms? Is there a way to disable this? Thank you for your response, I can look into disabling keyboard navigation.

[devversion]

@PanWill Well, a value change while the list is disabled should be surely not the case. I will look into it.

[devversion]

@PanWill It seems like I misread your issue at first and just considered the keyboard navigation. Changing the value shouldn't be possible if the list is disabled. Thanks for your issue. I will look into this asap.

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