[changelog/8.12] Use sections and provide a local TOC.
[changelog/8.12] Use sections and provide a local TOC.

coq/coq,ejgallego/coq,silene/coq,SkySkimmer/coq,silene/coq,ejgallego/coq,Zimmi48/coq,Zimmi48/coq,Zimmi48/coq,SkySkimmer/coq,ejgallego/coq,SkySkimmer/coq,gares/coq,JasonGross/coq,Zimmi48/coq,gares/coq,coq/coq,JasonGross/coq,ejgallego/coq,SkySkimmer/coq,coq/coq,gares/coq,gares/coq,coq/coq,JasonGross/coq,JasonGross/coq,silene/coq,gares/coq