================
Comment at: lib/Format/UnwrappedLineParser.h:236
@@ +235,3 @@
+    PP_If0, // #if 0
+    PP_Else // #else
+  };
----------------
Daniel Jasper wrote:
> Why do we need to know whether we are in an #else?
We can't just ignore #else to handle #if 0 .. #else <some code> #endif case. We 
can use PP_If to represent #else for this case, but it's misleading. And I'd 
prefer to have a closer model of the language syntax, if it comes at no cost. 
And we can also detect errors like #if ... #else .... #else. However I have no 
idea what to do with them ;)


http://llvm-reviews.chandlerc.com/D855
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