**BUG** Concise problem statement: Following on from bug report: https://easyeda.com/bbs_view_1968.htm it has been discovered that after saving the schematic and reopening it, the tilde character `~` has been stripped out of the text netlist in the schematic! Steps to reproduce bug: 1. Open https://easyeda.com/editor#id=XxqICUAS0 2. Add `~` character where indicated. 3. Save schematic. 4. Close schematic. 5. Reopen schematic. Results: `~` character has been stripped out of text! Expected results: Text should be unchanged from save to reopen. Url: https://easyeda.com/editor#id=XxqICUAS0 Browser: Chrome, Firefox in Kubuntu 12.04 LTS.