xcode - Custom shortcut with alt key not working -

as of xcode 9 gm, custom shortcut had configured "structure > add documentation" stopped working. instead of regular behavior, it's printing ÷ instead. i've read several questions on how deal special shortcuts using ukelele example wondering if there way use "old behavior".

steps:

1. open xcode > preferences > key bindings
2. search add documentation
3. set shortcut ⌥ alt7 , press ↵ enter
4. add new function, place cursor above it. function foo(bar: string) {}
5. press ⌥ alt7

expected:

new documentation header should inserted xcode

/// insert function documentation here !!! /// /// - parameter bar: parameter doc function foo(bar: string) {} 

result:

÷ inserted

÷ function foo(bar: string) {}