so does "cplusplus" It seems to have to do with some kind of metadata is fetched and then used as a regular expression (to change markup in some other part of

so does "cplusplus" It seems to have to do with some kind of metadata is fetched and then used as a regular expression (to change markup in some other part of the page?); it's assumed that the text can be used as a regular expression without quotation but in the case of the doubled "+" character it becomes a non-valid RE.