Changes

<br>Using the keyboard, move the selection pointer to the line containing the symbol. If the selection is not visible, press the '''Down Arrow''' button twice, the selection will be visible on the uppermost symbol; selection with the mouse is simpler and can be achieved by left-clicking the line once. <br>To select several sequential symbols at once keep '''Shift''' pressed and select with '''Up''' or '''Down Arrow '''buttons. <br>To select several sequential symbols at once with the mouse keep '''Shift''' pressed, scroll using the '''Vertical Scroll Bar''' to the required position, and click it. <br>To select many sequential symbols at once, select the starting symbol, keep '''Ctrl '''pressed and move the selection with the '''Home/End '''or '''Page Up/Page Down '''buttons, then release '''Ctrl''', press '''Shift '''and press '''Up/Down '''arrow buttons depending on the direction of selecting. <br>To select many sequential symbols at once with the mouse keep '''Ctrl '''pressed and click the symbols. <br>If you need to select several non-sequential symbols using the keyboard, start on the first symbol, press and keep down '''Ctrl '''and move the selection border to the desired position using the '''Up/Down Arrows''', '''Home/End''' or '''Page Up/Page Down''', then press '''Space'''. To perform such selection with the mouse keep '''Ctrl''' pressed and click the symbols to be selected. <br><div style="background-color: #E3FBE5;">Note: To select all symbols, select '''Edit''' in the main menu and then click '''Select All''', or use the '''Ctrl+A''' keyboard shortcut.</div><br>