Issue escaping " [ " when located in front of an URL

Steps to follow to reproduce:

• Create a new page
• Edit the page in wysiwyg
• Type in [xwiki]
• Select "xwiki"
• Click on "Link > Web Page..."
• Fill in a web page address
• Click create link
• Click the source tab
• Type some text after the url
• Return to wysiwyg editing

Result: " [ " is now part of the anchor text