Mark R_ext/Connections.h as @eapihdr.

git-svn-id: https://svn.r-project.org/R/trunk@88181 00db46b3-68df-0310-9c12-caf00c1e9a41

Author: hornik

doc/manual/R-exts.texi

@@ -17285,6 +17285,7 @@ use.
 @eapihdr R_ext/QuartzDevice.h
 @eapihdr R_ext/GraphicsEngine.h
 @eapihdr R_ext/GraphicsDevice.h
+@eapihdr R_ext/Connections.h
 
 Let us re-iterate the advice to include in C++ code system headers
 before the @R{} header files, especially @file{Rinternals.h} (included

src/library/tools/R/sotools.R

@@ -705,9 +705,9 @@ nonAPI <- c("chol_", "chol2inv_", "cg_", "ch_", "rg_",
             "Rf_isFrame",
             "BODY", "FORMALS", "CLOENV", "ENCLOS",
             "IS_ASCII", "IS_UTF8",
-## in the non-API header R_ext/Connections.h
-            "R_new_custom_connection", "R_ReadConnection",
-            "R_WriteConnection", "R_GetConnection",
+## in the experimental API header R_ext/Connections.h
+##            "R_new_custom_connection", "R_ReadConnection",
+##            "R_WriteConnection", "R_GetConnection",
 
 ## in ../../../include/R_ext/Applic.h -- these are API now:
 ## 	"dqrcf_", "dqrqty_", "dqrqy_", "dqrrsd_", "dqrxb_",