[Issue 15475] Ddoc code sample with unbalanced paren comes out as macro

[via Digitalmars-d-bugs]

https://issues.dlang.org/show_bug.cgi?id=15475

--- Comment #3 from hsteoh at quickfur.ath.cx ---
The problem is the doc.d right now is a fragile tangle of spaghetti code, full
of special cases and unexpected gotchas, and changing one small thing may cause
unrelated breakage elsewhere. It really needs to be refactored into something
more maintainable.  But it's so complex that such a refactoring would have to
be done piecemeal, otherwise it would cause even more breakage.

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