revert r17737; it was designed to fix bug 2993, but it created bug 3503. Consequently...

git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@18454 a592a061-630c-0410-9148-cb99ea01b6c8

diff --git a/src/insets/InsetCollapsable.cpp b/src/insets/InsetCollapsable.cpp
index 1c7ec55961c0103f498b8f8fdde3c74f3527aaa3..9b7b80f0b1aa63dc87ad9ccf440cc53591492be2 100644 (file)
--- a/src/insets/InsetCollapsable.cpp
+++ b/src/insets/InsetCollapsable.cpp
@@ -442,9 +442,6 @@ void InsetCollapsable::setStatus(Cursor & cur, CollapseStatus status)
        setButtonLabel();
        if (status_ == Collapsed)
                cur.leaveInset(*this);
-       // Because we save CollapseStatus in lyx file, change of status
-       // should lead to a dirty buffer. (This fixes bug 2993).
-       cur.bv().buffer()->markDirty();
 }