README.rst: documentation pointers for non-conformance

diff --git a/README.rst b/README.rst
index b05544ff693696ba6ec4282b0bed2d33611840f4..7a4f8ab5cf21e09fa315d937c6815edfc6ab6fbe 100644 (file)
--- a/README.rst
+++ b/README.rst
@@ -39,11 +39,19 @@ mind that most of these implementations predate (this part of) POSIX.
 glibc
 -----
 
-* With no indicator suffixes, iconv() returns EILSEQ for
-  valid but untranslatable sequences.
+* With no indicator suffixes, iconv() returns EILSEQ for valid but
+  untranslatable sequences. This is documented in both glibc's
+  documentation (charset.texi) and in the Linux man-pages iconv(3)
+  page.
 
 libiconv
 --------
 
-* With no indicator suffixes, iconv() returns EILSEQ for
-  valid but untranslatable sequences.
+* With no indicator suffixes, iconv() returns EILSEQ for valid but
+  untranslatable sequences. This is documented in both the libiconv
+  and Linux man-pages iconv(3) pages.
+
+* Depending on the platform, libiconv may use ``const char **`` for
+  the type of the input buffer. POSIX has ``char **``. This is
+  documented in the NOTES section of libiconv's iconv(3) man page.
+