* src/text.C (bool LyXText::backspace):

	don't try to go to previous par when in first par
	(fix crash in change tracking mode).

git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@13492 a592a061-630c-0410-9148-cb99ea01b6c8

diff --git a/src/text.C b/src/text.C
index 2ef4adb2a11ca99c936f34cbb2b1f1a21552f141..d19a3384937fc3abca90aadeecbba3e883a33ca0 100644 (file)
--- a/src/text.C
+++ b/src/text.C
@@ -1681,7 +1681,7 @@ bool LyXText::backspace(LCursor & cur)
                // the the backspace will collapse two paragraphs into
                // one.
 
-               if (cur.buffer().params().tracking_changes) {
+               if (cur.pit() != 0 && cur.buffer().params().tracking_changes) {
                        // Previous paragraph, mark "carriage return" as
                        // deleted:
                        Paragraph & par = pars_[cur.pit() - 1];