The following four links should all parse the same, but there's a missing check in Parser.php for double-width brackets prior to a single- or double-width comma. (Even if the namespace doesn't exist, copy-pasting these to any wiki should illustrate the problem.)

• [[ns:page (context), context|]]
• [[ns:page (context)， context|]]
• [[ns:page （context）, context|]]
• [[ns:page （context）， context|]]

Version: 1.22.0
Severity: minor