9 files changed, 16 insertions, 0 deletions
diff --git a/lib/stdlib/src/beam_lib.erl b/lib/stdlib/src/beam_lib.erl
index c71dad6163..91ff2438c6 100644
--- a/lib/stdlib/src/beam_lib.erl
+++ b/lib/stdlib/src/beam_lib.erl
@@ -41,6 +41,8 @@
 	 terminate/2,code_change/3]).
 -export([make_crypto_key/2, get_crypto_key/1]).	%Utilities used by compiler
 
+-export_type([attrib_entry/0, compinfo_entry/0, labeled_entry/0]).
+
 -import(lists, [append/1, delete/2, foreach/2, keysort/2, 
 		member/2, reverse/1, sort/1, splitwith/2]).
 
diff --git a/lib/stdlib/src/dets.erl b/lib/stdlib/src/dets.erl
index 7f1c13770b..4f94b117ec 100644
--- a/lib/stdlib/src/dets.erl
+++ b/lib/stdlib/src/dets.erl
@@ -88,6 +88,7 @@
 %% Not documented, or not ready for publication.
 -export([lookup_keys/2]).
 
+-export_type([tab_name/0]).
 
 -compile({inline, [{einval,2},{badarg,2},{undefined,1},
                    {badarg_exit,2},{lookup_reply,2}]}).
diff --git a/lib/stdlib/src/digraph.erl b/lib/stdlib/src/digraph.erl
index 9bdea671a9..e1d5706adc 100644
--- a/lib/stdlib/src/digraph.erl
+++ b/lib/stdlib/src/digraph.erl
@@ -36,6 +36,8 @@
 
 -export([get_short_path/3, get_short_cycle/2]).
 
+-export_type([d_type/0, vertex/0]).
+
 -record(digraph, {vtab = notable :: ets:tab(),
 		  etab = notable :: ets:tab(),
 		  ntab = notable :: ets:tab(),
diff --git a/lib/stdlib/src/erl_compile.erl b/lib/stdlib/src/erl_compile.erl
index d9d15e05f8..dd48d2489b 100644
--- a/lib/stdlib/src/erl_compile.erl
+++ b/lib/stdlib/src/erl_compile.erl
@@ -23,6 +23,8 @@
 
 -export([compile_cmdline/1]).
 
+-export_type([cmd_line_arg/0]).
+
 %% Mapping from extension to {M,F} to run the correct compiler.
 
 compiler(".erl") ->    {compile,         compile};
diff --git a/lib/stdlib/src/ets.erl b/lib/stdlib/src/ets.erl
index d7b5dbc636..b0a197d784 100644
--- a/lib/stdlib/src/ets.erl
+++ b/lib/stdlib/src/ets.erl
@@ -42,6 +42,8 @@
 
 -export([i/0, i/1, i/2, i/3]).
 
+-export_type([tab/0]).
+
 %%------------------------------------------------------------------------------
 
 -type tab()        :: atom() | tid().
diff --git a/lib/stdlib/src/io.erl b/lib/stdlib/src/io.erl
index 1f8076e864..2484a2082a 100644
--- a/lib/stdlib/src/io.erl
+++ b/lib/stdlib/src/io.erl
@@ -32,6 +32,7 @@
 	 parse_erl_form/1,parse_erl_form/2,parse_erl_form/3]).
 -export([request/1,request/2,requests/1,requests/2]).
 
+-export_type([device/0, format/0]).
 
 %%-------------------------------------------------------------------------
 
diff --git a/lib/stdlib/src/io_lib.erl b/lib/stdlib/src/io_lib.erl
index 26f6ec8931..4ca9d079b7 100644
--- a/lib/stdlib/src/io_lib.erl
+++ b/lib/stdlib/src/io_lib.erl
@@ -75,6 +75,8 @@
 	 collect_line/2, collect_line/3, collect_line/4,
 	 get_until/3, get_until/4]).
 
+-export_type([chars/0]).
+
 %%----------------------------------------------------------------------
 
  %% XXX: overapproximates a deep list of (unicode) characters
diff --git a/lib/stdlib/src/io_lib_fread.erl b/lib/stdlib/src/io_lib_fread.erl
index 74316dc730..2153951a8c 100644
--- a/lib/stdlib/src/io_lib_fread.erl
+++ b/lib/stdlib/src/io_lib_fread.erl
@@ -22,6 +22,8 @@
 
 -export([fread/2,fread/3]).
 
+-export_type([continuation/0, fread_2_ret/0, fread_3_ret/0]).
+
 -import(lists, [reverse/1,reverse/2]).
 
 %%-----------------------------------------------------------------------
diff --git a/lib/stdlib/src/proc_lib.erl b/lib/stdlib/src/proc_lib.erl
index 9aa5e0a71e..86742c966f 100644
--- a/lib/stdlib/src/proc_lib.erl
+++ b/lib/stdlib/src/proc_lib.erl
@@ -34,6 +34,8 @@
 %% Internal exports.
 -export([wake_up/3]).
 
+-export_type([spawn_option/0]).
+
 %%-----------------------------------------------------------------------------
 
 -type priority_level() :: 'high' | 'low' | 'max' | 'normal'.