Syntactically delimit match construct (fix #16284).
Syntactically delimit match construct (fix #16284).

ejgallego/coq,SkySkimmer/coq,Zimmi48/coq,SkySkimmer/coq,Zimmi48/coq,coq/coq,Zimmi48/coq,coq/coq,coq/coq,ejgallego/coq,SkySkimmer/coq,ejgallego/coq,SkySkimmer/coq,Zimmi48/coq,ejgallego/coq,coq/coq