Tactic Notation: use stable unique key for notations (Close: 3970)
Tactic Notation: use stable unique key for notations (Close: 3970)

This is a fixup of commit 2e09a22b that used uniquely generated kernel names
but forgot to substitute them.

coq/coq,jpdeplaix/coq,ale-f/coq,Ptival/coq,JasonGross/coq,Ptival/coq,gares/coq,Matafou/coq,Zimmi48/coq,ppedrot/coq,Matafou/coq,Lionel-Rieg/coq,JasonGross/coq,ppedrot/coq,SkySkimmer/coq,ejgallego/coq,TOSPIO/coq,mlasson/coq,TheTypoMaster/coq,TheTypoMaster/coq,gmalecha/coq,asr/coq,Zimmi48/coq,herbelin/github-coq,barras/coq,gares/coq,8l/coq,mattam82/coq,herbelin/github-coq,Lionel-Rieg/coq,gares/coq,mattam82/coq,8l/coq,ppedrot/coq,maximedenes/coq,amintimany/coq,coq/coq,Matafou/coq,mlasson/coq,aspiwack/coq,aspiwack/coq,Ptival/coq,TOSPIO/coq,jpdeplaix/coq,maximedenes/coq,barras/coq,coq/coq,letouzey/coq-wip,letouzey/coq-wip,SkySkimmer/coq,Zimmi48/coq,ale-f/coq,herbelin/github-coq,ppedrot/coq,JasonGross/coq,asr/coq,asr/coq,maximedenes/coq,gmalecha/coq,amintimany/coq,mlasson/coq,maximedenes/coq,ppedrot/coq,ejgallego/coq,william-lawvere/coq,SkySkimmer/coq,ejgallego/coq,gmalecha/coq,jpdeplaix/coq,SkySkimmer/coq,letouzey/coq-wip,gares/coq,mattam82/coq,silene/coq,8l/coq,Lionel-Rieg/coq,ejgallego/coq,maximedenes/coq,coq/coq,ale-f/coq,william-lawvere/coq,william-lawvere/coq,silene/coq,TOSPIO/coq,gares/coq,JasonGross/coq,Zimmi48/coq,TheTypoMaster/coq,silene/coq,barras/coq,amintimany/coq,letouzey/coq-wip,aspiwack/coq,letouzey/coq-wip