Improving printing of "[]" (nil) in spite of the risk of collision with possible further use of token "[]" + slight restructuration.
Improving printing of "[]" (nil) in spite of the risk of collision
with possible further use of token "[]" + slight restructuration.

barras/coq,william-lawvere/coq,Zimmi48/coq,SkySkimmer/coq,8l/coq,mlasson/coq,mlasson/coq,JasonGross/coq,silene/coq,ale-f/coq,jpdeplaix/coq,shindere/coq,Zimmi48/coq,SkySkimmer/coq,ppedrot/coq,Lionel-Rieg/coq,ppedrot/coq,mattam82/coq,barras/coq,maximedenes/coq,amintimany/coq,coq/coq,herbelin/github-coq,SkySkimmer/coq,ale-f/coq,mlasson/coq,coq/coq,mattam82/coq,gares/coq,ejgallego/coq,jpdeplaix/coq,JasonGross/coq,maximedenes/coq,8l/coq,8l/coq,pirapira/coq2rust,barras/coq,pirapira/coq2rust,coq/coq,amintimany/coq,jpdeplaix/coq,TOSPIO/coq,aspiwack/coq,silene/coq,SkySkimmer/coq,gares/coq,shindere/coq,pirapira/coq2rust,ppedrot/coq,shindere/coq,maximedenes/coq,letouzey/coq-wip,ppedrot/coq,ale-f/coq,letouzey/coq-wip,gares/coq,ejgallego/coq,asr/coq,gmalecha/coq,Zimmi48/coq,Zimmi48/coq,herbelin/github-coq,Matafou/coq,Ptival/coq,TOSPIO/coq,letouzey/coq-wip,letouzey/coq-wip,gares/coq,amintimany/coq,gmalecha/coq,TOSPIO/coq,Ptival/coq,Lionel-Rieg/coq,ppedrot/coq,Matafou/coq,coq/coq,asr/coq,mattam82/coq,ejgallego/coq,ejgallego/coq,william-lawvere/coq,asr/coq,TheTypoMaster/coq,gares/coq,TheTypoMaster/coq,TheTypoMaster/coq,JasonGross/coq,letouzey/coq-wip,herbelin/github-coq,Matafou/coq,gmalecha/coq,Ptival/coq,maximedenes/coq,maximedenes/coq,JasonGross/coq,Lionel-Rieg/coq,aspiwack/coq,silene/coq,aspiwack/coq,william-lawvere/coq