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anywhere in a script (provided no suspend/resume is used):
* the command "Backtrack n m p" (vernac_bactrack) performs the
following operation:
** do abort p times,
** do undo on the current proof (after the aborts) in order to reach a
stack depth of m (see vernac_undo_todepth)
** resets the global state to state labelled with n.
* The coq prompt in emacs mode has more informations, it contains:
** the usual coq prompt plus:
** the state number (global state label)
** the depth of the current proof stack
** the names of all pending proofs, in *unspecified* order, separated by '|'
Example:
state proof stack
num depth
__ _
aux < 12 |aux|SmallStepAntiReflexive| 4 < ù
^^^^^^ ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ ^
usual pending proofs usual
special char
git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@6947 85f007b7-540e-0410-9357-904b9bb8a0f7
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git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@5920 85f007b7-540e-0410-9357-904b9bb8a0f7
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git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@4560 85f007b7-540e-0410-9357-904b9bb8a0f7
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git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@1469 85f007b7-540e-0410-9357-904b9bb8a0f7
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git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@1090 85f007b7-540e-0410-9357-904b9bb8a0f7
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git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@421 85f007b7-540e-0410-9357-904b9bb8a0f7
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git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@87 85f007b7-540e-0410-9357-904b9bb8a0f7
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