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-rw-r--r--BUGS7
1 files changed, 7 insertions, 0 deletions
diff --git a/BUGS b/BUGS
index b821485f..33fef98e 100644
--- a/BUGS
+++ b/BUGS
@@ -165,3 +165,10 @@ Proof General will block the Emacs process when it is waiting for
a theory file (and it's ancestors) to be read. To avoid this,
assert the theory file rather than the ML file.
+* Cut-and-paste from Isabelle output (e.g. goals buffer) is
+problematic. You will find that this inserts otherwise-invisible
+special characters into the script buffer, which are used to do the
+highlighting. If you really need to do cut-and-paste, customize the
+variable proof-shell-leave-annotations-in-output to nil.
+Unfortunately this will turn off highlighting.
+