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-rw-r--r--generic/proof-shell.el1
1 files changed, 1 insertions, 0 deletions
diff --git a/generic/proof-shell.el b/generic/proof-shell.el
index ae851a01..848eb1e3 100644
--- a/generic/proof-shell.el
+++ b/generic/proof-shell.el
@@ -397,6 +397,7 @@ exited by hand (or exits by itself)."
proof-included-files-list nil
proof-shell-busy nil
proof-shell-proof-completed nil
+ proof-nesting-depth 0
proof-shell-error-or-interrupt-seen nil
proof-shell-silent nil
proof-shell-last-output nil