After #13420, a type member may miss XmlDoc in the syntax tree ([ast](https://fsprojects.github.io/fantomas-tools/#/ast?data=N4KABGBEAmCmBmBLAdrAzpAXFSAacUiaAYmolmPAIYA2as%2BEkAxgPZwWQAuAngA6wwAQTABeADrIIEAPRywAIUnSwAW1iqARrABOYAB4A6BWADuiLgAswAc1hcAFAEoxYAKyQQAXyA)): ```fsharp type A = /// B member x.B with get() = 5 ``` cc @nojaf
