Do not put NUA's .c files into doxygen's internal scope. This resulted in...

Do not put NUA's .c files into doxygen's internal scope. This resulted in documentation for many important functions such as nua_invite to be missing from the generated online documentation.

darcs-hash:20060927094624-7659e-29abaaf087b481e76c616ae71c115e5a21a9b172.gz

libsofia-sip-ua/nua/Doxyfile

@@ -21,7 +21,9 @@ TAGFILES            += ../docs/sdp.doxytags=../sdp
 
 GENERATE_TAGFILE     = ../docs/nua.doxytags
 
-ALIASES             += CFILE="@internal @file" IFILE="@internal @file"
+# note: CFILEs contain internal code but public documentation, so 
+#       they cannot be part of the internal set
+ALIASES             += IFILE="@internal @file"
 
 ALIASES 	    += nua="@ref index \"nua\""
 # When GENERATE_TAGFILE=YES, we should use \ref main