Improve wording in alloca.
1. it's not a bug; it's a caveat.
2. slightly unsafe gives me the willies.
3. nobody knows what large unbounded allocations are.
4. one .Xr to malloc should suffice
Index: alloca.3
===
RCS file: /cvs/src
@@ -51,9 +51,7 @@ function returns a pointer to the beginn
.Sh SEE ALSO
.Xr pagesize 1 ,
.Xr brk 2 ,
-.Xr calloc 3 ,
-.Xr malloc 3 ,
-.Xr realloc 3
+.Xr malloc 3
This is good. It has no relationship to callor or realloc.
-.Sh BUGS
+.Sh CAVEATS
OK.
The
.Fn alloca
-function is
