?? in existing source code

[Doug Gwyn]

In article <6944 at ki4pv.uucp> tanner at ki4pv.UUCP writes:
>	total	97 files	25758 lines
>	"??"	 4 files	    6 lines
>All of the "??" instances were in strings to be output in case of
>exception conditions.

So, would any of them be adversely impacted by the trigraph mappings?

For those of you who haven't bothered to find out what trigraphs
really are, only the following sequences are mapped as trigraphs:
	??=  ??(  ??/  ??)  ??'  ??<  ??!  ??>  ??-
Other occurrences of ?? are not affected.