When a preceding paragraph's size is increased, for example - font size is changed, or paragraph is split to two, then the selection of the consequent paragraphs is wrong. When the cursor is on the second line and attempt to select some part of it with the mouse is made, the first or the third line is selected. Steps to reproduce: 1. Create two paragraphs with multiple lines 2. Insert new paragraph after the first paragraph 3. Try to select second line of the third paragraph with the mouse Observed result: First line is selected instead of second line being selected