From 9f223fa9ed8fbc437dd60b446e1e4f82e88a1096 Mon Sep 17 00:00:00 2001 From: David Aspinall Date: Fri, 12 Jul 2002 08:14:27 +0000 Subject: Mention probs with tracing mode. --- BUGS | 15 +++++++++++++++ 1 file changed, 15 insertions(+) (limited to 'BUGS') diff --git a/BUGS b/BUGS index eb39f2e4..80146e4b 100644 --- a/BUGS +++ b/BUGS @@ -20,6 +20,21 @@ versions, and those which only apply to particular versions. If you have more than one theorem with the same name in a buffer, their proof visibilities are controlled together. +** Issues with tracing mode (Isabelle only) + +1. Large volumes of output can cause Emacs to hog CPU spending +all its time processing the output (esp with fontifying and X-symbol +decoding). It becomes difficult to use normal editing commands, +even C-c C-c to interrupt the prover. Workaround: hitting C-g, +the Emacs quit key, will interrupt the prover in this state. +See manual for further description of this. + +2. Interrupt response may be lost in large volumes of output, when +using pty communication. Symptom is interrupt on C-g, but PG thinks +the prover is still busy. Workaround: hit return in the shell buffer, +or set proof-shell-process-connection-type to nil to use piped +communication. + ** If the proof assistant goes into a loop displaying lots of information It may be difficult or impossible to interrupt it, because Emacs -- cgit v1.2.3