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function(e,t,r){var n=r(954055),o=r(869639),a=r(410475);e.exports=function(e){var t,r,c=e.getSelection();if(!c.isCollapsed())return e;var s=c.getAnchorOffset();if(0===s)return e;var u=c.getAnchorKey(),l=e.getCurrentContent(),f=l.getBlockForKey(u).getLength();if(f<=1)return e;s===f?(t=c.set("anchorOffset",s-1),r=c):r=(t=c.set("focusOffset",s+1)).set("anchorOffset",s+1);var i=a(l,t),g=n.removeRange(l,t,"backward"),d=g.getSelectionAfter(),h=d.getAnchorOffset()-1,p=d.merge({anchorOffset:h,focusOffset:h}),v=n.replaceWithFragment(g,p,i),C=o.push(e,v,"insert-fragment");return o.acceptSelection(C,r)}}