Documentation of pretype_id (minor commit).
Documentation of pretype_id (minor commit).

git-svn-id: 44dc50bdcc0f5d1a212c497508dc9452e0b35e2b@13028 85f007b7-540e-0410-9357-904b9bb8a0f7

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