File 0575-ct-prevent-documentation-errors-and-ease-m... of Package erlang

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File 0575-ct-prevent-documentation-errors-and-ease-maintenance.patch of Package erlang (Revision 05e07e74e02c3c6851eb7fb2c2e0ef8b)

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From ccaf90db65aba961b580a3c0448ba2c1d4359b9d Mon Sep 17 00:00:00 2001
From: "Paulo F. Oliveira" <paulo.ferraz.oliveira@gmail.com>
Date: Wed, 2 Nov 2022 23:59:31 +0000
Subject: [PATCH] ct: prevent documentation errors and ease maintenance

We:
1. expose a new type ct:handle/0 as per the current doc.
2. expose a new type ct:conn_log_option/0 as per the
   current doc
3. typespec all the functions in a very lazy approach
   (basically copy-paste from the doc.)
4. refer (in the xml) to the newly added specs for
   ease of maintenance
---
 lib/common_test/doc/src/ct.xml | 529 ++++++---------------------------
 lib/common_test/src/ct.erl     | 445 ++++++++++++++++++++++++++-
 2 files changed, 528 insertions(+), 446 deletions(-)

diff --git a/lib/common_test/doc/src/ct.xml b/lib/common_test/doc/src/ct.xml
index bc0e60f9a3..3a7cc21ba1 100644
--- a/lib/common_test/doc/src/ct.xml
+++ b/lib/common_test/doc/src/ct.xml
@@ -67,20 +67,20 @@
 
 <datatypes>
 <datatype>
- <name>handle() = pid()</name>
+ <name name="handle" />
 <desc>
 The identity (handle) of a connection.
 </desc>
 </datatype>
 
 <datatype>
- <name>config_key() = atom()</name>
+ <name name="config_key" />
 <desc>
 	A configuration key which exists in a configuration file
 </desc>
 </datatype>
 <datatype>
- <name>target_name() = atom()</name>
+ <name name="target_name" />
 <desc>
 A name and association to configuration data introduced
 through a require statement, or a call to
@@ -90,8 +90,11 @@
 </desc>
 </datatype>
 <datatype>
- <name>key_or_name() = config_key() | target_name()</name>
- <name>conn_log_options() = [conn_log_option()]</name>
+ <name name="key_or_name" />
+ <desc></desc>
+ </datatype>
+ <datatype>
+ <name name="conn_log_options" />
 <desc>
 	Options that can be given to the <c>cth_conn_log</c> hook,
 	which is used for logging of NETCONF and Telnet
@@ -103,21 +106,24 @@
 </datatype>
 
 <datatype>
- <name>conn_log_option() = {log_type,conn_log_type()} | {hosts,[key_or_name()]}</name>
- <name>conn_log_type() = raw | pretty | html | silent</name>
- <name>conn_log_mod() = ct_netconfc | ct_telnet</name>
+ <name name="conn_log_option" />
+ <desc></desc>
+ </datatype>
+ <datatype>
+ <name name="conn_log_type" />
+ <desc></desc>
+ </datatype>
+ <datatype>
+ <name name="conn_log_mod" />
+ <desc></desc>
 </datatype>
 
 </datatypes>
 
 <funcs>
 <func>
- <name since="">abort_current_testcase(Reason) -&gt; ok | {error, ErrorReason}</name>
+ <name since="" name="abort_current_testcase" arity="1" />
 <fsummary>Aborts the currently executing test case.</fsummary>
- <type>
- <v>Reason = term()</v>
- <v>ErrorReason = no_testcase_running | parallel_group</v>
- </type>
 <desc><marker id="abort_current_testcase-1"/>
 Aborts the currently executing test case. The user must know with
 certainty which test case is currently executing. The function is
@@ -130,14 +136,9 @@
 </func>
 
 <func>
- <name since="OTP R14B">add_config(Callback, Config) -&gt; ok | {error, Reason}</name>
+ <name since="OTP R14B" name="add_config" arity="2" />
 <fsummary>Loads configuration variables using the specified callback
 module and configuration string.</fsummary>
- <type>
- <v>Callback = atom()</v>
- <v>Config = string()</v>
- <v>Reason = term()</v>
- </type>
 <desc><marker id="add_config-2"/>
 Loads configuration variables using the specified callback module and
 configuration string. The callback module is to be either loaded or
@@ -149,14 +150,9 @@
 </func>
 
 <func>
- <name since="OTP R15B02">break(Comment) -&gt; ok | {error, Reason}</name>
+ <name since="OTP R15B02" name="break" arity="1" />
 <fsummary>Cancels any active timetrap and pause the execution of the
 current test case until the user calls function continue/0.</fsummary>
- <type>
- <v>Comment = string()</v>
- <v>Reason = {multiple_cases_running, TestCases} | 'enable break with release_shell option'</v>
- <v>TestCases = [atom()]</v>
- </type>
 <desc><marker id="break-1"/>
 Cancels any active timetrap and pauses the execution of the
 current test case until the user calls function <c>continue/0</c>.
@@ -179,14 +175,9 @@
 </func>
 
 <func>
- <name since="OTP R15B02">break(TestCase, Comment) -&gt; ok | {error, Reason}</name>
+ <name since="OTP R15B02" name="break" arity="2" />
 <fsummary>Works the same way as break/1, only argument TestCase makes it
 possible to pause a test case executing in a parallel group.</fsummary>
- <type>
- <v>TestCase = atom()</v>
- <v>Comment = string()</v>
- <v>Reason = 'test case not running' | 'enable break with release_shell option'</v>
- </type>
 <desc><marker id="break-2"/>
 Works the same way as
 <seemfa marker="#break/1"><c>ct:break/1</c></seemfa>, only
@@ -201,11 +192,8 @@
 </func>
 
 <func>
- <name since="OTP R15B">capture_get() -&gt; ListOfStrings</name>
+ <name since="OTP R15B" name="capture_get" arity="0" />
 <fsummary>Equivalent to capture_get([default]).</fsummary>
- <type>
- <v>ListOfStrings = [string()]</v>
- </type>
 <desc><marker id="capture_get-0"/>
 Equivalent to
 <seemfa marker="#capture_get/1">ct:capture_get([default])</seemfa>.
@@ -213,13 +201,9 @@
 </func>
 
 <func>
- <name since="OTP R15B">capture_get(ExclCategories) -&gt; ListOfStrings</name>
+ <name since="OTP R15B" name="capture_get" arity="1" />
 <fsummary>Returns and purges the list of text strings buffered during
 the latest session of capturing printouts to stdout.</fsummary>
- <type>
- <v>ExclCategories = [atom()]</v>
- <v>ListOfStrings = [string()]</v>
- </type>
 <desc><marker id="capture_get-1"/>
 Returns and purges the list of text strings buffered during the
 latest session of capturing printouts to <c>stdout</c>. Log
@@ -235,7 +219,7 @@
 </func>
 
 <func>
- <name since="OTP R15B">capture_start() -&gt; ok</name>
+ <name since="OTP R15B" name="capture_start" arity="0" />
 <fsummary>Starts capturing all text strings printed to stdout
 during execution of the test case.</fsummary>
 <desc><marker id="capture_start-0"/>
@@ -249,7 +233,7 @@
 </func>
 
 <func>
- <name since="OTP R15B">capture_stop() -&gt; ok</name>
+ <name since="OTP R15B" name="capture_stop" arity="0" />
 <fsummary>Stops capturing text strings (a session started with
 capture_start/0).</fsummary>
 <desc><marker id="capture_stop-0"/>
@@ -263,12 +247,9 @@
 </func>
 
 <func>
- <name since="">comment(Comment) -&gt; ok</name>
+ <name since="" name="comment" arity="1" />
 <fsummary>Prints the specified Comment in the comment field in the
 table on the test suite result page.</fsummary>
- <type>
- <v>Comment = term()</v>
- </type>
 <desc><marker id="comment-1"/>
 Prints the specified <c>Comment</c> in the comment field in the
 table on the test suite result page.
@@ -280,13 +261,9 @@
 </func>
 
 <func>
- <name since="OTP R15B">comment(Format, Args) -&gt; ok</name>
+ <name since="OTP R15B" name="comment" arity="2" />
 <fsummary>Prints the formatted string in the comment field in the
 table on the test suite result page.</fsummary>
- <type>
- <v>Format = string()</v>
- <v>Args = list()</v>
- </type>
 <desc><marker id="comment-2"/>
 Prints the formatted string in the comment field in the table
 on the test suite result page.
@@ -299,7 +276,7 @@
 </func>
 
 <func>
- <name since="OTP R15B02">continue() -&gt; ok</name>
+ <name since="OTP R15B02" name="continue" arity="0" />
 <fsummary>This function must be called to continue after a test
 case (not executing in a parallel group) has called break/1.</fsummary>
 <desc><marker id="continue-0"/>
@@ -310,12 +287,9 @@
 </func>
 
 <func>
- <name since="OTP R15B02">continue(TestCase) -&gt; ok</name>
+ <name since="OTP R15B02" name="continue" arity="1" />
 <fsummary>This function must be called to continue after a test case
 has called break/2.</fsummary>
- <type>
- <v>TestCase = atom()</v>
- </type>
 <desc><marker id="continue-1"/>
 This function must be called to continue after a test case has
 called <seemfa marker="#break/2"><c>ct:break/2</c></seemfa>.
@@ -326,14 +300,9 @@
 </func>
 
 <func>
- <name since="">decrypt_config_file(EncryptFileName, TargetFileName) -&gt; ok | {error, Reason}</name>
+ <name since="" name="decrypt_config_file" arity="2" />
 <fsummary>Decrypts EncryptFileName, previously generated with
 encrypt_config_file/2,3.</fsummary>
- <type>
- <v>EncryptFileName = string()</v>
- <v>TargetFileName = string()</v>
- <v>Reason = term()</v>
- </type>
 <desc><marker id="decrypt_config_file-2"/>
 Decrypts <c>EncryptFileName</c>, previously generated with
 <seemfa marker="#encrypt_config_file/2"><c>ct:encrypt_config_file/2,3</c></seemfa>.
@@ -345,15 +314,9 @@
 </func>
 
 <func>
- <name since="">decrypt_config_file(EncryptFileName, TargetFileName, KeyOrFile) -&gt; ok | {error, Reason}</name>
+ <name since="" name="decrypt_config_file" arity="3" />
 <fsummary>Decrypts EncryptFileName, previously generated with
 encrypt_config_file/2,3.</fsummary>
- <type>
- <v>EncryptFileName = string()</v>
- <v>TargetFileName = string()</v>
- <v>KeyOrFile = {key, string()} | {file, string()}</v>
- <v>Reason = term()</v>
- </type>
 <desc><marker id="decrypt_config_file-3"/>
 Decrypts <c>EncryptFileName</c>, previously generated with
 <seemfa marker="#encrypt_config_file/2"><c>ct:encrypt_config_file/2,3</c></seemfa>.
@@ -363,14 +326,9 @@
 </func>
 
 <func>
- <name since="">encrypt_config_file(SrcFileName, EncryptFileName) -&gt; ok | {error, Reason}</name>
+ <name since="" name="encrypt_config_file" arity="2" />
 <fsummary>Encrypts the source configuration file with DES3 and saves the
 result in file EncryptFileName.</fsummary>
- <type>
- <v>SrcFileName = string()</v>
- <v>EncryptFileName = string()</v>
- <v>Reason = term()</v>
- </type>
 <desc><marker id="encrypt_config_file-2"/>
 Encrypts the source configuration file with DES3 and saves the result
 in file <c>EncryptFileName</c>. The key, a string, must be
@@ -389,15 +347,9 @@
 </func>
 
 <func>
- <name since="">encrypt_config_file(SrcFileName, EncryptFileName, KeyOrFile) -&gt; ok | {error, Reason}</name>
+ <name since="" name="encrypt_config_file" arity="3" />
 <fsummary>Encrypts the source configuration file with DES3 and saves the
 result in the target file EncryptFileName.</fsummary>
- <type>
- <v>SrcFileName = string()</v>
- <v>EncryptFileName = string()</v>
- <v>KeyOrFile = {key, string()} | {file, string()}</v>
- <v>Reason = term()</v>
- </type>
 <desc><marker id="encrypt_config_file-3"/>
 Encrypts the source configuration file with DES3 and saves the result
 in the target file <c>EncryptFileName</c>. The encryption key
@@ -415,26 +367,19 @@
 </func>
 
 <func>
- <name since="">fail(Reason) -&gt; ok</name>
+ <name since="" name="fail" arity="1" />
 <fsummary>Terminates a test case with the specified error
 Reason.</fsummary>
- <type>
- <v>Reason = term()</v>
- </type>
 <desc><marker id="fail-1"/>
 Terminates a test case with the specified error <c>Reason</c>.
 </desc>
 </func>
 
 <func>
- <name since="OTP R15B">fail(Format, Args) -&gt; ok</name>
+ <name since="OTP R15B" name="fail" arity="2" />
 <fsummary>Terminates a test case with an error message specified by
 a format string and a list of values (used as arguments to
 io_lib:format/2).</fsummary>
- <type>
- <v>Format = string()</v>
- <v>Args = list()</v>
- </type>
 <desc><marker id="fail-2"/>
 Terminates a test case with an error message specified by a
 format string and a list of values (used as arguments to
@@ -443,7 +388,7 @@
 </func>
 
 <func>
- <name since="">get_config(Required) -&gt; Value</name>
+ <name since="" name="get_config" arity="1" />
 <fsummary>Equivalent to get_config(Required, undefined, []).</fsummary>
 <desc><marker id="get_config-1"/>
 Equivalent to <seemfa marker="#get_config/3"><c>ct:get_config(Required,
@@ -452,7 +397,7 @@
 </func>
 
 <func>
- <name since="">get_config(Required, Default) -&gt; Value</name>
+ <name since="" name="get_config" arity="2" />
 <fsummary>Equivalent to get_config(Required, Default, []).</fsummary>
 <desc><marker id="get_config-2"/>
 Equivalent to <seemfa marker="#get_config/3"><c>ct:get_config(Required,
@@ -461,17 +406,8 @@
 </func>
 
 <func>
- <name since="">get_config(Required, Default, Opts) -&gt; ValueOrElement</name>
+ <name since="" name="get_config" arity="3" />
 <fsummary>Reads configuration data values.</fsummary>
- <type>
- <v>Required = KeyOrName | {KeyOrName, SubKey} | {KeyOrName, SubKey, SubKey}</v>
- <v>KeyOrName = atom()</v>
- <v>SubKey = atom()</v>
- <v>Default = term()</v>
- <v>Opts = [Opt] | []</v>
- <v>Opt = element | all</v>
- <v>ValueOrElement = term() | Default</v>
- </type>
 <desc><marker id="get_config-3"/>
 Reads configuration data values.
 
@@ -527,11 +463,8 @@
 </func>
 
 <func>
- <name since="OTP 17.5">get_event_mgr_ref() -&gt; EvMgrRef</name>
+ <name since="OTP 17.5" name="get_event_mgr_ref" arity="0" />
 <fsummary>Gets a reference to the <c>Common Test</c> event manager.</fsummary>
- <type>
- <v>EvMgrRef = atom()</v>
- </type>
 <desc><marker id="get_event_mgr_ref-0"/>
 Gets a reference to the <c>Common Test</c> event manager.
 The reference can be used to, for example, add a user-specific
@@ -545,7 +478,7 @@
 </func>
 
 <func>
- <name since="OTP 21.0">get_progname() -&gt; string()</name>
+ <name since="OTP 21.0" name="get_progname" arity="0" />
 <fsummary>Returns the command used to start this Erlang instance.</fsummary>
 <desc><marker id="get_progname-0"/>
 Returns the command used to start this Erlang instance.
@@ -555,22 +488,8 @@
 </func>
 
 <func>
- <name since="">get_status() -&gt; TestStatus | {error, Reason} | no_tests_running</name>
+ <name since="" name="get_status" arity="0" />
 <fsummary>Returns status of ongoing test.</fsummary>
- <type>
- <v>TestStatus = [StatusElem]</v>
- <v>StatusElem = {current, TestCaseInfo} | {successful, Successful} | {failed, Failed} | {skipped, Skipped} | {total, Total}</v>
- <v>TestCaseInfo = {Suite, TestCase} | [{Suite, TestCase}]</v>
- <v>Suite = atom()</v>
- <v>TestCase = atom()</v>
- <v>Successful = integer()</v>
- <v>Failed = integer()</v>
- <v>Skipped = {UserSkipped, AutoSkipped}</v>
- <v>UserSkipped = integer()</v>
- <v>AutoSkipped = integer()</v>
- <v>Total = integer()</v>
- <v>Reason = term()</v>
- </type>
 <desc><marker id="get_status-0"/>
 Returns status of ongoing test. The returned list contains
 information about which test case is executing (a list of cases
@@ -581,13 +500,9 @@
 </func>
 
 <func>
- <name since="">get_target_name(Handle) -&gt; {ok, TargetName} | {error, Reason}</name>
+ <name since="" name="get_target_name" arity="1" />
 <fsummary>Returns the name of the target that the specified connection
 belongs to.</fsummary>
- <type>
- <v>Handle = handle()</v>
- <v>TargetName = target_name()</v>
- </type>
 <desc><marker id="get_target_name-1"/>
 Returns the name of the target that the specified connection
 belongs to.
@@ -595,13 +510,9 @@
 </func>
 
 <func>
- <name since="OTP 18.0">get_testspec_terms() -&gt; TestSpecTerms | undefined</name>
+ <name since="OTP 18.0" name="get_testspec_terms" arity="0" />
 <fsummary>Gets a list of all test specification terms used to
 configure and run this test.</fsummary>
- <type>
- <v>TestSpecTerms = [{Tag, Value}]</v>
- <v>Value = [term()]</v>
- </type>
 <desc><marker id="get_testspec_terms-0"/>
 Gets a list of all test specification terms used to configure
 and run this test.
@@ -609,16 +520,9 @@
 </func>
 
 <func>
- <name since="OTP 18.0">get_testspec_terms(Tags) -&gt; TestSpecTerms | undefined</name>
+ <name since="OTP 18.0" name="get_testspec_terms" arity="1" />
 <fsummary>Reads one or more terms from the test specification used to
 configure and run this test.</fsummary>
- <type>
- <v>Tags = [Tag] | Tag</v>
- <v>Tag = atom()</v>
- <v>TestSpecTerms = [{Tag, Value}] | {Tag, Value}</v>
- <v>Value = [{Node, term()}] | [term()]</v>
- <v>Node = atom()</v>
- </type>
 <desc><marker id="get_testspec_terms-1"/>
 Reads one or more terms from the test specification used to
 configure and run this test. <c>Tag</c> is any valid test
@@ -636,14 +540,9 @@
 </func>
 
 <func>
- <name since="OTP R15B">get_timetrap_info() -&gt; {Time, {Scaling,ScaleVal}}</name>
+ <name since="OTP R15B" name="get_timetrap_info" arity="0" />
 <fsummary>Reads information about the timetrap set for the current
 test case.</fsummary>
- <type>
- <v>Time = integer() | infinity</v>
- <v>Scaling = true | false</v>
- <v>ScaleVal = integer()</v>
- </type>
 <desc><marker id="get_timetrap_info-0"/>
 Reads information about the timetrap set for the current test
 case. <c>Scaling</c> indicates if <c>Common Test</c> will attempt
@@ -655,12 +554,8 @@
 </func>
 
 <func>
- <name since="OTP 19.1">get_verbosity(Category) -&gt; Level | undefined</name>
+ <name since="OTP 19.1" name="get_verbosity" arity="1" />
 <fsummary>Read the verbosity level for a logging category.</fsummary>
- <type>
- <v>Category = default | atom()</v>
- <v>Level = integer()</v>
- </type>
 <desc><marker id="get_verbosity-1"/>
 This function returns the verbosity level for the specified logging
 	category. See the <seeguide marker="write_test_chapter#logging">
@@ -670,18 +565,8 @@
 </func>
 
 <func>
- <name since="">install(Opts) -&gt; ok | {error, Reason}</name>
+ <name since="" name="install" arity="1" />
 <fsummary>Installs configuration files and event handlers.</fsummary>
- <type>
- <v>Opts = [Opt]</v>
- <v>Opt = {config, ConfigFiles} | {event_handler, Modules} | {decrypt, KeyOrFile}</v>
- <v>ConfigFiles = [ConfigFile]</v>
- <v>ConfigFile = string()</v>
- <v>Modules = [atom()]</v>
- <v>KeyOrFile = {key, Key} | {file, KeyFile}</v>
- <v>Key = string()</v>
- <v>KeyFile = string()</v>
- </type>
 <desc><marker id="install-1"/>
 Installs configuration files and event handlers.
 
@@ -697,15 +582,9 @@
 </func>
 
 <func>
- <name since="">listenv(Telnet) -&gt; [Env]</name>
+ <name since="" name="listenv" arity="1" />
 <fsummary>Performs command listenv on the specified Telnet connection
 and returns the result as a list of key-value pairs.</fsummary>
- <type>
- <v>Telnet = term()</v>
- <v>Env = {Key, Value}</v>
- <v>Key = string()</v>
- <v>Value = string()</v>
- </type>
 <desc><marker id="listenv-1"/>
 Performs command <c>listenv</c> on the specified Telnet connection
 and returns the result as a list of key-value pairs.
@@ -713,7 +592,7 @@
 </func>
 
 <func>
- <name since="">log(Format) -&gt; ok</name>
+ <name since="" name="log" arity="1" />
 <fsummary>Equivalent to log(default, 50, Format, [], []).</fsummary>
 <desc><marker id="log-1"/>
 Equivalent to
@@ -722,13 +601,9 @@
 </func>
 
 <func>
- <name since="">log(X1, X2) -&gt; ok</name>
+ <name since="" name="log" arity="2" />
 <fsummary>Equivalent to log(Category, Importance, Format,
 FormatArgs, []).</fsummary>
- <type>
- <v>X1 = Category | Importance | Format</v>
- <v>X2 = Format | FormatArgs</v>
- </type>
 <desc><marker id="log-2"/>
 Equivalent to <seemfa marker="#log/5"><c>ct:log(Category,
 Importance, Format, FormatArgs, [])</c></seemfa>.
@@ -736,14 +611,9 @@
 </func>
 
 <func>
- <name since="">log(X1, X2, X3) -&gt; ok</name>
+ <name since="" name="log" arity="3" />
 <fsummary>Equivalent to log(Category, Importance, Format,
 FormatArgs, Opts).</fsummary>
- <type>
- <v>X1 = Category | Importance</v>
- <v>X2 = Importance | Format</v>
- <v>X3 = Format | FormatArgs | Opts</v>
- </type>
 <desc><marker id="log-3"/>
 Equivalent to <seemfa marker="#log/5"><c>ct:log(Category,
 Importance, Format, FormatArgs, Opts)</c></seemfa>.
@@ -751,15 +621,9 @@
 </func>
 
 <func>
- <name since="OTP R15B02">log(X1, X2, X3, X4) -&gt; ok</name>
+ <name since="OTP R15B02" name="log" arity="4" />
 <fsummary>Equivalent to log(Category, Importance, Format,
 FormatArgs, Opts).</fsummary>
- <type>
- <v>X1 = Category | Importance</v>
- <v>X2 = Importance | Format</v>
- <v>X3 = Format | FormatArgs</v>
-	<v>X4 = FormatArgs | Opts</v>
- </type>
 <desc><marker id="log-4"/>
 Equivalent to <seemfa marker="#log/5"><c>ct:log(Category,
 Importance, Format, FormatArgs, Opts)</c></seemfa>.
@@ -767,16 +631,8 @@
 </func>
 
 <func>
- <name since="OTP 18.3">log(Category, Importance, Format, FormatArgs, Opts) -&gt; ok</name>
+ <name since="OTP 18.3" name="log" arity="5" />
 <fsummary>Prints from a test case to the log file.</fsummary>
- <type>
- <v>Category = atom()</v>
- <v>Importance = integer()</v>
- <v>Format = string()</v>
- <v>FormatArgs = list()</v>
- <v>Opts = [Opt]</v>
-	<v>Opt = {heading,string()} | no_css | esc_chars</v>
- </type>
 <desc><marker id="log-5"/>
 Prints from a test case to the log file.
 
@@ -798,13 +654,10 @@
 </func>
 
 <func>
- <name since="OTP R15B01">make_priv_dir() -&gt; ok | {error, Reason}</name>
+ <name since="OTP R15B01" name="make_priv_dir" arity="0" />
 <fsummary>If the test has been started with option create_priv_dir
 set to manual_per_tc, in order for the test case to use the private
 directory, it must first create it by calling this function.</fsummary>
- <type>
- <v>Reason = term()</v>
- </type>
 <desc><marker id="make_priv_dir-0"/>
 If the test is started with option <c>create_priv_dir</c>
 set to <c>manual_per_tc</c>, in order for the test case to use
@@ -814,13 +667,9 @@
 </func>
 
 <func>
- <name since="OTP R15B02">notify(Name, Data) -&gt; ok</name>
+ <name since="OTP R15B02" name="notify" arity="2" />
 <fsummary>Sends an asynchronous notification of type Name with Data
 to the <c>Common Test</c> event manager.</fsummary>
- <type>
- <v>Name = atom()</v>
- <v>Data = term()</v>
- </type>
 <desc><marker id="notify-2"/>
 Sends an asynchronous notification of type <c>Name</c> with
 <c>Data</c>to the Common Test event manager. This can later be
@@ -832,7 +681,7 @@
 </func>
 
 <func>
- <name since="">pal(Format) -&gt; ok</name>
+ <name since="" name="pal" arity="1" />
 <fsummary>Equivalent to pal(default, 50, Format, [], []).</fsummary>
 <desc><marker id="pal-1"/>
 Equivalent to
@@ -842,13 +691,9 @@
 </func>
 
 <func>
- <name since="">pal(X1, X2) -&gt; ok</name>
+ <name since="" name="pal" arity="2" />
 <fsummary>Equivalent to pal(Category, Importance, Format,
 FormatArgs, []).</fsummary>
- <type>
- <v>X1 = Category | Importance | Format</v>
- <v>X2 = Format | FormatArgs</v>
- </type>
 <desc><marker id="pal-2"/>
 Equivalent to <seemfa marker="#pal/5"><c>ct:pal(Category,
 Importance, Format, FormatArgs, [])</c></seemfa>.
@@ -856,14 +701,9 @@
 </func>
 
 <func>
- <name since="">pal(X1, X2, X3) -&gt; ok</name>
+ <name since="" name="pal" arity="3" />
 <fsummary>Equivalent to pal(Category, Importance, Format,
 FormatArgs, Opts).</fsummary>
- <type>
- <v>X1 = Category | Importance</v>
- <v>X2 = Importance | Format</v>
- <v>X3 = Format | FormatArgs | Opts</v>
- </type>
 <desc><marker id="pal-3"/>
 Equivalent to <seemfa marker="#pal/5"><c>ct:pal(Category,
 Importance, Format, FormatArgs, Opts)</c></seemfa>.
@@ -871,15 +711,9 @@
 </func>
 
 <func>
- <name since="OTP R15B02">pal(X1, X2, X3, X4) -&gt; ok</name>
+ <name since="OTP R15B02" name="pal" arity="4" />
 <fsummary>Equivalent to pal(Category, Importance, Format,
 FormatArgs, Opts).</fsummary>
- <type>
- <v>X1 = Category | Importance</v>
- <v>X2 = Importance | Format</v>
- <v>X3 = Format | FormatArgs</v>
-	<v>X4 = FormatArgs | Opts</v>
- </type>
 <desc><marker id="pal-4"/>
 Equivalent to <seemfa marker="#pal/5"><c>ct:pal(Category,
 Importance, Format, FormatArgs, Opts)</c></seemfa>.
@@ -887,16 +721,8 @@
 </func>
 
 <func>
- <name since="OTP 19.2">pal(Category, Importance, Format, FormatArgs, Opts) -&gt; ok</name>
+ <name since="OTP 19.2" name="pal" arity="5" />
 <fsummary>Prints and logs from a test case.</fsummary>
- <type>
- <v>Category = atom()</v>
- <v>Importance = integer()</v>
- <v>Format = string()</v>
- <v>FormatArgs = list()</v>
- <v>Opts = [Opt]</v>
-	<v>Opt = {heading,string()} | no_css</v>
- </type>
 <desc><marker id="pal-5"/>
 Prints and logs from a test case.
 
@@ -918,14 +744,9 @@
 </func>
 
 <func>
- <name since="">parse_table(Data) -&gt; {Heading, Table}</name>
+ <name since="" name="parse_table" arity="1" />
 <fsummary>Parses the printout from an SQL table and returns a list of
 tuples.</fsummary>
- <type>
- <v>Data = [string()]</v>
- <v>Heading = tuple()</v>
- <v>Table = [tuple()]</v>
- </type>
 <desc><marker id="parse_table-1"/>
 Parses the printout from an SQL table and returns a list of
 tuples.
@@ -940,7 +761,7 @@
 </func>
 
 <func>
- <name since="">print(Format) -&gt; ok</name>
+ <name since="" name="print" arity="1" />
 <fsummary>Equivalent to print(default, 50, Format, [], []).</fsummary>
 <desc><marker id="print-1"/>
 Equivalent to <seemfa marker="#print/5"><c>ct:print(default,
@@ -949,13 +770,9 @@
 </func>
 
 <func>
- <name since="OTP R15B02">print(X1, X2) -&gt; ok</name>
+ <name since="OTP R15B02" name="print" arity="2" />
 <fsummary>Equivalent to print(Category, Importance, Format,
 FormatArgs, []).</fsummary>
- <type>
- <v>X1 = Category | Importance | Format</v>
- <v>X2 = Format | FormatArgs</v>
- </type>
 <desc><marker id="print-2"/>
 Equivalent to <seemfa marker="#print/5"><c>ct:print(Category,
 Importance, Format, FormatArgs, [])</c></seemfa>.
@@ -963,14 +780,9 @@
 </func>
 
 <func>
- <name since="">print(X1, X2, X3) -&gt; ok</name>
+ <name since="" name="print" arity="3" />
 <fsummary>Equivalent to print(Category, Importance, Format,
 FormatArgs, Opts).</fsummary>
- <type>
- <v>X1 = Category | Importance</v>
- <v>X2 = Importance | Format</v>
- <v>X3 = Format | FormatArgs | Opts</v>
- </type>
 <desc><marker id="print-3"/>
 Equivalent to <seemfa marker="#print/5"><c>ct:print(Category,
 Importance, Format, FormatArgs, Opts)</c></seemfa>.
@@ -978,15 +790,9 @@
 </func>
 
 <func>
- <name since="OTP R15B02">print(X1, X2, X3, X4) -&gt; ok</name>
+ <name since="OTP R15B02" name="print" arity="4" />
 <fsummary>Equivalent to print(Category, Importance, Format,
 FormatArgs, Opts).</fsummary>
- <type>
- <v>X1 = Category | Importance</v>
- <v>X2 = Importance | Format</v>
- <v>X3 = Format | FormatArgs</v>
-	<v>X4 = FormatArgs | Opts</v>
- </type>
 <desc><marker id="print-4"/>
 Equivalent to <seemfa marker="#print/5"><c>ct:print(Category,
 Importance, Format, FormatArgs, Opts)</c></seemfa>.
@@ -994,16 +800,8 @@
 </func>
 
 <func>
- <name since="OTP 19.2">print(Category, Importance, Format, FormatArgs, Opts) -&gt; ok</name>
+ <name since="OTP 19.2" name="print" arity="5" />
 <fsummary>Prints from a test case to the console.</fsummary>
- <type>
- <v>Category = atom()</v>
- <v>Importance = integer()</v>
- <v>Format = string()</v>
- <v>FormatArgs = list()</v>
- <v>Opts = [Opt]</v>
-	<v>Opt = {heading,string()}</v>
- </type>
 <desc><marker id="print-5"/>
 Prints from a test case to the console.
 
@@ -1021,15 +819,9 @@
 </func>
 
 <func>
- <name since="OTP R14B">reload_config(Required) -&gt; ValueOrElement | {error, Reason}</name>
+ <name since="OTP R14B" name="reload_config" arity="1" />
 <fsummary>Reloads configuration file containing specified configuration
 key.</fsummary>
- <type>
- <v>Required = KeyOrName | {KeyOrName, SubKey} | {KeyOrName, SubKey, SubKey}</v>
- <v>KeyOrName = atom()</v>
- <v>SubKey = atom()</v>
- <v>ValueOrElement = term()</v>
- </type>
 <desc><marker id="reload_config-1"/>
 Reloads configuration file containing specified configuration key.
 
@@ -1044,15 +836,9 @@
 </func>
 
 <func>
- <name since="OTP 20.2">remaining_test_procs() -&gt; {TestProcs,SharedGL,OtherGLs}</name>
+ <name since="OTP 20.2" name="remaining_test_procs" arity="0" />
 <fsummary>>This function will return the identity of test- and group
 leader processes that are still running at the time of this call.</fsummary>
- <type>
- <v>TestProcs = [{pid(),GL}]</v>
-	<v>GL = pid()</v>
- <v>SharedGL = pid()</v>
- <v>OtherGLs = [pid()]</v>
- </type>
 <desc><marker id="remaining_test_procs-0"/>
 This function will return the identity of test- and group
 	leader processes that are still running at the time of this call.
@@ -1080,15 +866,10 @@
 </func> 
 
 <func>
- <name since="OTP R14B">remove_config(Callback, Config) -&gt; ok</name>
+ <name since="OTP R14B" name="remove_config" arity="2" />
 <fsummary>Removes configuration variables (together with
 their aliases) that were loaded with specified callback module and
 configuration string.</fsummary>
- <type>
- <v>Callback = atom()</v>
- <v>Config = string()</v>
- <v>Reason = term()</v>
- </type>
 <desc><marker id="remove_config-2"/>
 Removes configuration variables (together with their aliases)
 that were loaded with specified callback module and configuration
@@ -1097,14 +878,8 @@
 </func>
 
 <func>
- <name since="">require(Required) -&gt; ok | {error, Reason}</name>
+ <name since="" name="require" arity="1" />
 <fsummary>Checks if the required configuration is available.</fsummary>
- <type>
- <v>Required = Key | {Key, SubKeys} | {Key, SubKey, SubKeys}</v>
- <v>Key = atom()</v>
- <v>SubKeys = SubKey | [SubKey]</v>
- <v>SubKey = atom()</v>
- </type>
 <desc><marker id="require-1"/>
 Checks if the required configuration is available. Arbitrarily
 deep tuples can be specified as <c>Required</c>. Only the last
@@ -1151,15 +926,9 @@
 </func>
 
 <func>
- <name since="">require(Name, Required) -&gt; ok | {error, Reason}</name>
+ <name since="" name="require" arity="2" />
 <fsummary>Checks if the required configuration is available and gives
 it a name.</fsummary>
- <type>
- <v>Name = atom()</v>
- <v>Required = Key | {Key, SubKey} | {Key, SubKey, SubKey}</v>
- <v>SubKey = Key</v>
- <v>Key = atom()</v>
- </type>
 <desc><marker id="require-2"/>
 Checks if the required configuration is available and gives it a
 name. The semantics for <c>Required</c> is the same as in
@@ -1210,12 +979,9 @@
 </func>
 
 <func>
- <name since="">run(TestDirs) -&gt; Result</name>
+ <name since="" name="run" arity="1" />
 <fsummary>Runs all test cases in all suites in the specified
 directories.</fsummary>
- <type>
- <v>TestDirs = TestDir | [TestDir]</v>
- </type>
 <desc><marker id="run-1"/>
 Runs all test cases in all suites in the specified directories.
 
@@ -1224,7 +990,7 @@
 </func>
 
 <func>
- <name since="">run(TestDir, Suite) -&gt; Result</name>
+ <name since="" name="run" arity="2" />
 <fsummary>Runs all test cases in the specified suite.</fsummary>
 <desc><marker id="run-2"/>
 Runs all test cases in the specified suite.
@@ -1234,14 +1000,8 @@
 </func>
 
 <func>
- <name since="">run(TestDir, Suite, Cases) -&gt; Result</name>
+ <name since="" name="run" arity="3" />
 <fsummary>Runs the specified test cases.</fsummary>
- <type>
- <v>TestDir = string()</v>
- <v>Suite = atom()</v>
- <v>Cases = atom() | [atom()]</v>
- <v>Result = [TestResult] | {error, Reason}</v>
- </type>
 <desc><marker id="run-3"/>
 Runs the specified test cases.
 
@@ -1256,59 +1016,9 @@
 </func>
 
 <func>
- <name since="">run_test(Opts) -&gt; Result</name>
+ <name since="" name="run_test" arity="1" />
 <fsummary>Runs tests as specified by the combination of options in
 Opts.</fsummary>
- <type>
- <v>Opts = [OptTuples]</v>
- <v>OptTuples = {dir, TestDirs} | {suite, Suites} | {group, Groups} | {testcase, Cases} | {spec, TestSpecs} | {join_specs, Bool} | {label, Label} | {config, CfgFiles} | {userconfig, UserConfig} | {allow_user_terms, Bool} | {logdir, LogDir} | {silent_connections, Conns} | {stylesheet, CSSFile} | {cover, CoverSpecFile} | {cover_stop, Bool} | {step, StepOpts} | {event_handler, EventHandlers} | {include, InclDirs} | {auto_compile, Bool} | {abort_if_missing_suites, Bool} | {create_priv_dir, CreatePrivDir} | {multiply_timetraps, M} | {scale_timetraps, Bool} | {repeat, N} | {duration, DurTime} | {until, StopTime} | {force_stop, ForceStop} | {decrypt, DecryptKeyOrFile} | {refresh_logs, LogDir} | {logopts, LogOpts} | {verbosity, VLevels} | {basic_html, Bool} | {esc_chars, Bool} | {keep_logs,KeepSpec} | {ct_hooks, CTHs} | {enable_builtin_hooks, Bool} | {release_shell, Bool}</v>
- <v>TestDirs = [string()] | string()</v>
- <v>Suites = [string()] | [atom()] | string() | atom()</v>
- <v>Cases = [atom()] | atom()</v>
- <v>Groups = GroupNameOrPath | [GroupNameOrPath]</v>
- <v>GroupNameOrPath = [atom()] | atom() | all</v>
- <v>TestSpecs = [string()] | string()</v>
- <v>Label = string() | atom()</v>
- <v>CfgFiles = [string()] | string()</v>
- <v>UserConfig = [{CallbackMod, CfgStrings}] | {CallbackMod, CfgStrings}</v>
- <v>CallbackMod = atom()</v>
- <v>CfgStrings = [string()] | string()</v>
- <v>LogDir = string()</v>
- <v>Conns = all | [atom()]</v>
- <v>CSSFile = string()</v>
- <v>CoverSpecFile = string()</v>
- <v>StepOpts = [StepOpt] | []</v>
- <v>StepOpt = config | keep_inactive</v>
- <v>EventHandlers = EH | [EH]</v>
- <v>EH = atom() | {atom(), InitArgs} | {[atom()], InitArgs}</v>
- <v>InitArgs = [term()]</v>
- <v>InclDirs = [string()] | string()</v>
- <v>CreatePrivDir = auto_per_run | auto_per_tc | manual_per_tc</v>
- <v>M = integer()</v>
- <v>N = integer()</v>
- <v>DurTime = string(HHMMSS)</v>
- <v>StopTime = string(YYMoMoDDHHMMSS) | string(HHMMSS)</v>
- <v>ForceStop = skip_rest | Bool</v>
- <v>DecryptKeyOrFile = {key, DecryptKey} | {file, DecryptFile}</v>
- <v>DecryptKey = string()</v>
- <v>DecryptFile = string()</v>
- <v>LogOpts = [LogOpt]</v>
- <v>LogOpt = no_nl | no_src</v>
- <v>VLevels = VLevel | [{Category, VLevel}]</v>
- <v>VLevel = integer()</v>
- <v>Category = atom()</v>
-	<v>KeepSpec = all | pos_integer()</v>
- <v>CTHs = [CTHModule | {CTHModule, CTHInitArgs}]</v>
- <v>CTHModule = atom()</v>
- <v>CTHInitArgs = term()</v>
- <v>Result = {Ok, Failed, {UserSkipped, AutoSkipped}} | TestRunnerPid | {error, Reason}</v>
- <v>Ok = integer()</v>
- <v>Failed = integer()</v>
- <v>UserSkipped = integer()</v>
- <v>AutoSkipped = integer()</v>
- <v>TestRunnerPid = pid()</v>
- <v>Reason = term()</v>
- </type>
 <desc><marker id="run_test-1"/>
 Runs tests as specified by the combination of options in
 <c>Opts</c>. The options are the same as those used with program
@@ -1328,17 +1038,8 @@
 </func>
 
 <func>
- <name since="">run_testspec(TestSpec) -&gt; Result</name>
+ <name since="" name="run_testspec" arity="1" />
 <fsummary>Runs a test specified by TestSpec.</fsummary>
- <type>
- <v>TestSpec = [term()]</v>
- <v>Result = {Ok, Failed, {UserSkipped, AutoSkipped}} | {error, Reason}</v>
- <v>Ok = integer()</v>
- <v>Failed = integer()</v>
- <v>UserSkipped = integer()</v>
- <v>AutoSkipped = integer()</v>
- <v>Reason = term()</v>
- </type>
 <desc><marker id="run_testspec-1"/>
 Runs a test specified by <c>TestSpec</c>. The same terms are used
 as in test specification files.
@@ -1348,12 +1049,8 @@
 </func>
 
 <func>
- <name since="OTP 19.1">set_verbosity(Category, Level) -&gt; ok</name>
+ <name since="OTP 19.1" name="set_verbosity" arity="2" />
 <fsummary>Set the verbosity level for a logging category.</fsummary>
- <type>
- <v>Category = default | atom()</v>
- <v>Level = integer()</v>
- </type>
 <desc><marker id="set_verbosity-2"/>
 Use this function to set, or modify, the verbosity level for a logging
 	category. See the <seeguide marker="write_test_chapter#logging">
@@ -1363,16 +1060,9 @@
 </func>
 
 <func>
- <name since="OTP R14B">sleep(Time) -&gt; ok</name>
+ <name since="OTP R14B" name="sleep" arity="1" />
 <fsummary>This function, similar to timer:sleep/1, suspends the
 test case for a specified time.</fsummary>
- <type>
- <v>Time = {hours, Hours} | {minutes, Mins} | {seconds, Secs} | Millisecs | infinity</v>
- <v>Hours = integer()</v>
- <v>Mins = integer()</v>
- <v>Secs = integer()</v>
- <v>Millisecs = integer() | float()</v>
- </type>
 <desc><marker id="sleep-1"/>
 This function, similar to <c>timer:sleep/1</c> in STDLIB,
 suspends the test case for a specified time.
@@ -1385,7 +1075,7 @@
 </func>
 
 <func>
- <name since="">start_interactive() -&gt; ok</name>
+ <name since="" name="start_interactive" arity="0" />
 <fsummary>Starts <c>Common Test</c> in interactive mode.</fsummary>
 <desc><marker id="start_interactive-0"/>
 Starts <c>Common Test</c> in interactive mode.
@@ -1413,11 +1103,8 @@
 </func>
 
 <func>
- <name since="">step(TestDir, Suite, Case) -&gt; Result</name>
+ <name since="" name="step" arity="3" />
 <fsummary>Steps through a test case with the debugger.</fsummary>
- <type>
- <v>Case = atom()</v>
- </type>
 <desc><marker id="step-3"/>
 Steps through a test case with the debugger.
 
@@ -1426,13 +1113,8 @@
 </func>
 
 <func>
- <name since="">step(TestDir, Suite, Case, Opts) -&gt; Result</name>
+ <name since="" name="step" arity="4" />
 <fsummary>Steps through a test case with the debugger.</fsummary>
- <type>
- <v>Case = atom()</v>
- <v>Opts = [Opt] | []</v>
- <v>Opt = config | keep_inactive</v>
- </type>
 <desc><marker id="step-4"/>
 Steps through a test case with the debugger. If option
 <c>config</c> has been specified, breakpoints are also set on
@@ -1443,7 +1125,7 @@
 </func>
 
 <func>
- <name since="">stop_interactive() -&gt; ok</name>
+ <name since="" name="stop_interactive" arity="0" />
 <fsummary>Exits the interactive mode.</fsummary>
 <desc><marker id="stop_interactive-0"/>
 Exits the interactive mode.
@@ -1455,13 +1137,9 @@
 </func>
 
 <func>
- <name since="OTP R15B02">sync_notify(Name, Data) -&gt; ok</name>
+ <name since="OTP R15B02" name="sync_notify" arity="2" />
 <fsummary>Sends a synchronous notification of type Name with Data to
 the <c>Common Test</c> event manager.</fsummary>
- <type>
- <v>Name = atom()</v>
- <v>Data = term()</v>
- </type>
 <desc><marker id="sync_notify-2"/>
 Sends a synchronous notification of type <c>Name</c> with
 <c>Data</c> to the <c>Common Test</c> event manager. This can later be
@@ -1474,33 +1152,16 @@
 </func>
 
 <func>
- <name since="">testcases(TestDir, Suite) -&gt; Testcases | {error, Reason}</name>
+ <name since="" name="testcases" arity="2" />
 <fsummary>Returns all test cases in the specified suite.</fsummary>
- <type>
- <v>TestDir = string()</v>
- <v>Suite = atom()</v>
- <v>Testcases = list()</v>
- <v>Reason = term()</v>
- </type>
 <desc><marker id="testcases-2"/>
 Returns all test cases in the specified suite.
 </desc>
 </func>
 
 <func>
- <name since="OTP R14B">timetrap(Time) -&gt; ok</name>
+ <name since="OTP R14B" name="timetrap" arity="1" />
 <fsummary>Sets a new timetrap for the running test case.</fsummary>
- <type>
- <v>Time = {hours, Hours} | {minutes, Mins} | {seconds, Secs} | Millisecs | infinity | Func</v>
- <v>Hours = integer()</v>
- <v>Mins = integer()</v>
- <v>Secs = integer()</v>
- <v>Millisecs = integer()</v>
- <v>Func = {M, F, A} | function()</v>
- <v>M = atom()</v>
- <v>F = atom()</v>
- <v>A = list()</v>
- </type>
 <desc><marker id="timetrap-1"/>
 Sets a new timetrap for the running test case.
 
@@ -1512,15 +1173,9 @@
 </func>
 
 <func>
- <name since="">userdata(TestDir, Suite) -&gt; SuiteUserData | {error, Reason}</name>
+ <name since="" name="userdata" arity="2" />
 <fsummary>Returns any data specified with tag userdata in the list of
 tuples returned from Suite:suite/0.</fsummary>
- <type>
- <v>TestDir = string()</v>
- <v>Suite = atom()</v>
- <v>SuiteUserData = [term()]</v>
- <v>Reason = term()</v>
- </type>
 <desc><marker id="userdata-2"/>
 Returns any data specified with tag <c>userdata</c> in the list
 of tuples returned from
@@ -1529,17 +1184,9 @@
 </func>
 
 <func>
- <name since="">userdata(TestDir, Suite, Case::GroupOrCase) -&gt; TCUserData | {error, Reason}</name>
+ <name since="" name="userdata" arity="3" />
 <fsummary>Returns any data specified with tag userdata in the list of
 tuples returned from Suite:group(GroupName) or Suite:Case().</fsummary>
- <type>
- <v>TestDir = string()</v>
- <v>Suite = atom()</v>
- <v>GroupOrCase = {group, GroupName} | atom()</v>
- <v>GroupName = atom()</v>
- <v>TCUserData = [term()]</v>
- <v>Reason = term()</v>
- </type>
 <desc><marker id="userdata-3"/>
 Returns any data specified with tag <c>userdata</c> in the list
 of tuples returned from <c>Suite:group(GroupName)</c> or
diff --git a/lib/common_test/src/ct.erl b/lib/common_test/src/ct.erl
index 02c14651d9..012bb5c740 100644
--- a/lib/common_test/src/ct.erl
+++ b/lib/common_test/src/ct.erl
@@ -66,10 +66,12 @@
 %% For ct_gen_conn
 -export_type([config_key/0,
 	 target_name/0,
-	 key_or_name/0]).
+	 key_or_name/0,
+ handle/0]).
 
 %% For cth_conn_log
--export_type([conn_log_options/0,
+-export_type([conn_log_option/0,
+ conn_log_options/0,
 	 conn_log_type/0,
 	 conn_log_mod/0]).
 
@@ -79,6 +81,7 @@
 -type config_key() :: atom(). % Config key which exists in a config file
 -type target_name() :: atom().% Name associated to a config_key() though 'require'
 -type key_or_name() :: config_key() | target_name().
+-type handle() :: pid().
 
 %% Types used when logging connections with the 'cth_conn_log' hook
 -type conn_log_options() :: [conn_log_option()].
@@ -89,34 +92,172 @@
 %%----------------------------------------------------------------------
 
 
+-spec install(Opts) -> ok | {error, Reason}
+ when Opts :: [Opt],
+ Opt :: {config, ConfigFiles} | {event_handler, Modules} | {decrypt, KeyOrFile},
+ ConfigFiles :: [ConfigFile],
+ ConfigFile :: string(),
+ Modules :: [atom()],
+ KeyOrFile :: {key, Key} | {file, KeyFile},
+ Key :: string(),
+ KeyFile :: string(),
+ Reason :: term().
 install(Opts) ->
 ct_run:install(Opts).
 
+-spec run(TestDir, Suite, Cases) -> Result
+ when TestDir :: string(),
+ Suite :: atom(),
+ Cases :: atom() | [atom()],
+ Result :: [TestResult] | {error, Reason},
+ TestResult :: term(),
+ Reason :: term().
 run(TestDir,Suite,Cases) ->
 ct_run:run(TestDir,Suite,Cases).
 
+-spec run(TestDir, Suite) -> Result
+ when TestDir :: string(),
+ Suite :: atom(),
+ Result :: [TestResult] | {error, Reason},
+ TestResult :: term(),
+ Reason :: term().
 run(TestDir,Suite) ->
 ct_run:run(TestDir,Suite).
 
+-spec run(TestDirs) -> Result
+ when TestDirs :: TestDir | [TestDir],
+ TestDir :: string(),
+ Result :: [TestResult] | {error, Reason},
+ TestResult :: term(),
+ Reason :: term().
 run(TestDirs) ->
 ct_run:run(TestDirs).
 
+-spec run_test(Opts) -> Result
+ when Opts :: [OptTuples],
+ OptTuples :: {dir, TestDirs}
+ | {suite, Suites}
+ | {group, Groups}
+ | {testcase, Cases}
+ | {spec, TestSpecs}
+ | {join_specs, boolean()}
+ | {label, Label}
+ | {config, CfgFiles}
+ | {userconfig, UserConfig}
+ | {allow_user_terms, boolean()}
+ | {logdir, LogDir}
+ | {silent_connections, Conns}
+ | {stylesheet, CSSFile}
+ | {cover, CoverSpecFile}
+ | {cover_stop, boolean()}
+ | {step, StepOpts}
+ | {event_handler, EventHandlers}
+ | {include, InclDirs}
+ | {auto_compile, boolean()}
+ | {abort_if_missing_suites, boolean()}
+ | {create_priv_dir, CreatePrivDir}
+ | {multiply_timetraps, M}
+ | {scale_timetraps, boolean()}
+ | {repeat, N}
+ | {duration, DurTime}
+ | {until, StopTime}
+ | {force_stop, ForceStop}
+ | {decrypt, DecryptKeyOrFile}
+ | {refresh_logs, LogDir}
+ | {logopts, LogOpts}
+ | {verbosity, VLevels}
+ | {basic_html, boolean()}
+ | {esc_chars, boolean()}
+ | {keep_logs,KeepSpec}
+ | {ct_hooks, CTHs}
+ | {enable_builtin_hooks, boolean()}
+ | {release_shell, boolean()},
+ TestDirs :: [string()] | string(),
+ Suites :: [string()] | [atom()] | string() | atom(),
+ Cases :: [atom()] | atom(),
+ Groups :: GroupNameOrPath | [GroupNameOrPath],
+ GroupNameOrPath :: [atom()] | atom() | all,
+ TestSpecs :: [string()] | string(),
+ Label :: string() | atom(),
+ CfgFiles :: [string()] | string(),
+ UserConfig :: [{CallbackMod, CfgStrings}] | {CallbackMod, CfgStrings},
+ CallbackMod :: atom(),
+ CfgStrings :: [string()] | string(),
+ LogDir :: string(),
+ Conns :: all | [atom()],
+ CSSFile :: string(),
+ CoverSpecFile :: string(),
+ StepOpts :: [StepOpt],
+ StepOpt :: config | keep_inactive,
+ EventHandlers :: EH | [EH],
+ EH :: atom() | {atom(), InitArgs} | {[atom()], InitArgs},
+ InitArgs :: [term()],
+ InclDirs :: [string()] | string(),
+ CreatePrivDir :: auto_per_run | auto_per_tc | manual_per_tc,
+ M :: integer(),
+ N :: integer(),
+ DurTime :: HHMMSS,
+ HHMMSS :: string(),
+ StopTime :: YYMoMoDDHHMMSS | HHMMSS,
+ YYMoMoDDHHMMSS :: string(),
+ ForceStop :: skip_rest | boolean(),
+ DecryptKeyOrFile :: {key, DecryptKey} | {file, DecryptFile},
+ DecryptKey :: string(),
+ DecryptFile :: string(),
+ LogOpts :: [LogOpt],
+ LogOpt :: no_nl | no_src,
+ VLevels :: VLevel | [{Category, VLevel}],
+ VLevel :: integer(),
+ Category :: atom(),
+ KeepSpec :: all | pos_integer(),
+ CTHs :: [CTHModule | {CTHModule, CTHInitArgs}],
+ CTHModule :: atom(),
+ CTHInitArgs :: term(),
+ Result :: {Ok, Failed, {UserSkipped, AutoSkipped}} | TestRunnerPid | {error, Reason},
+ Ok :: integer(),
+ Failed :: integer(),
+ UserSkipped :: integer(),
+ AutoSkipped :: integer(),
+ TestRunnerPid :: pid(),
+ Reason :: term().
 run_test(Opts) ->
 ct_run:run_test(Opts).
 
+-spec run_testspec(TestSpec) -> Result
+ when TestSpec :: [term()],
+ Result :: {Ok, Failed, {UserSkipped, AutoSkipped}} | {error, Reason},
+ Ok :: integer(),
+ Failed :: integer(),
+ UserSkipped :: integer(),
+ AutoSkipped :: integer(),
+ Reason :: term().
 run_testspec(TestSpec) ->
 ct_run:run_testspec(TestSpec).
 
+-spec step(TestDir, Suite, Case) -> Result
+ when TestDir :: string(),
+ Suite :: atom(),
+ Case :: atom(),
+ Result :: term().
 step(TestDir,Suite,Case) ->
 ct_run:step(TestDir,Suite,Case).
 
+-spec step(TestDir, Suite, Case, Opts) -> Result
+ when TestDir :: string(),
+ Suite :: atom(),
+ Case :: atom(),
+ Opts :: [Opt],
+ Opt :: config | keep_inactive,
+ Result :: term().
 step(TestDir,Suite,Case,Opts) ->
 ct_run:step(TestDir,Suite,Case,Opts).
 
+-spec start_interactive() -> ok.
 start_interactive() ->
 _ = ct_util:start(interactive),
 ok.
 
+-spec stop_interactive() -> ok.
 stop_interactive() ->
 ct_util:stop(normal),
 ok.
@@ -125,24 +266,65 @@ stop_interactive() ->
 %%% MISC INTERFACE
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 
+-spec require(Required) -> ok | {error, Reason}
+ when Required :: Key | {Key, SubKeys} | {Key, SubKey, SubKeys},
+ Key :: atom(),
+ SubKeys :: SubKey | [SubKey],
+ SubKey :: atom(),
+ Reason :: term().
 require(Required) ->
 ct_config:require(Required).
 
+-spec require(Name, Required) -> ok | {error, Reason}
+ when Name :: atom(),
+ Required :: Key | {Key, SubKey} | {Key, SubKey, SubKey},
+ SubKey :: Key,
+ Key :: atom(),
+ Reason :: term().
 require(Name,Required) ->
 ct_config:require(Name,Required).
 
+-spec get_config(Required) -> Value
+ when Required :: KeyOrName | {KeyOrName, SubKey} | {KeyOrName, SubKey, SubKey},
+ KeyOrName :: atom(),
+ SubKey :: atom(),
+ Value :: term().
 get_config(Required) ->
 ct_config:get_config(Required,undefined,[]).
 
+-spec get_config(Required, Default) -> Value
+ when Required :: KeyOrName | {KeyOrName, SubKey} | {KeyOrName, SubKey, SubKey},
+ KeyOrName :: atom(),
+ SubKey :: atom(),
+ Default :: term(),
+ Value :: term().
 get_config(Required,Default) ->
 ct_config:get_config(Required,Default,[]).
 
+-spec get_config(Required, Default, Opts) -> ValueOrElement
+ when Required :: KeyOrName | {KeyOrName, SubKey} | {KeyOrName, SubKey, SubKey},
+ KeyOrName :: atom(),
+ SubKey :: atom(),
+ Default :: term(),
+ Opts :: [Opt],
+ Opt :: element | all,
+ ValueOrElement :: term() | Default.
 get_config(Required,Default,Opts) ->
 ct_config:get_config(Required,Default,Opts).
 
+-spec reload_config(Required) -> ValueOrElement | {error, Reason}
+ when Required :: KeyOrName | {KeyOrName, SubKey} | {KeyOrName, SubKey, SubKey},
+ KeyOrName :: atom(),
+ SubKey :: atom(),
+ ValueOrElement :: term(),
+ Reason :: term().
 reload_config(Required)->
 ct_config:reload_config(Required).
 
+-spec get_testspec_terms() -> TestSpecTerms | undefined
+ when TestSpecTerms :: [{Tag, Value}],
+ Tag :: atom(),
+ Value :: [term()].
 get_testspec_terms() ->
 case ct_util:get_testdata(testspec) of
 	undefined ->
@@ -151,6 +333,12 @@ get_testspec_terms() ->
 	 ct_testspec:testspec_rec2list(CurrSpecRec)
 end.
 
+-spec get_testspec_terms(Tags) -> TestSpecTerms | undefined
+ when Tags :: [Tag] | Tag,
+ Tag :: atom(),
+ TestSpecTerms :: [{Tag, Value}] | {Tag, Value},
+ Value :: [{Node, term()}] | [term()],
+ Node :: atom().
 get_testspec_terms(Tags) ->
 case ct_util:get_testdata(testspec) of
 	undefined ->
@@ -171,9 +359,18 @@ escape_chars(Format, Args) ->
 	 {error,Reason}
 end.
 
+-spec log(Format) -> ok
+ when Format :: string().
 log(Format) ->
 log(default,?STD_IMPORTANCE,Format,[],[]).
 
+-spec log(X1, X2) -> ok
+ when X1 :: Category | Importance | Format,
+ X2 :: Format | FormatArgs,
+ Category :: atom() | integer() | string(),
+ Importance :: integer(),
+ Format :: string(),
+ FormatArgs :: list().
 log(X1,X2) ->
 {Category,Importance,Format,Args} = 
 	if is_atom(X1) -> {X1,?STD_IMPORTANCE,X2,[]};
@@ -182,6 +379,16 @@ log(X1,X2) ->
 	end,
 log(Category,Importance,Format,Args,[]).
 
+-spec log(X1, X2, X3) -> ok
+ when X1 :: Category | Importance,
+ X2 :: Importance | Format,
+ X3 :: Format | FormatArgs | Opts,
+ Category :: atom() | integer() | string(),
+ Importance :: integer(),
+ Format :: string(),
+ FormatArgs :: list(),
+ Opts :: [Opt],
+ Opt :: {heading,string()} | no_css | esc_chars.
 log(X1,X2,X3) ->
 {Category,Importance,Format,Args,Opts} = 
 	if is_atom(X1), is_integer(X2) -> {X1,X2,X3,[],[]};
@@ -191,6 +398,17 @@ log(X1,X2,X3) ->
 	end,
 log(Category,Importance,Format,Args,Opts).
 
+-spec log(X1, X2, X3, X4) -> ok
+ when X1 :: Category | Importance,
+ X2 :: Importance | Format,
+ X3 :: Format | FormatArgs,
+ X4 :: FormatArgs | Opts,
+ Category :: atom() | integer() | string(),
+ Importance :: integer(),
+ Format :: string(),
+ FormatArgs :: list(),
+ Opts :: [Opt],
+ Opt :: {heading,string()} | no_css | esc_chars.
 log(X1,X2,X3,X4) ->
 {Category,Importance,Format,Args,Opts} = 
 	if is_atom(X1), is_integer(X2) -> {X1,X2,X3,X4,[]};
@@ -199,12 +417,28 @@ log(X1,X2,X3,X4) ->
 	end,
 log(Category,Importance,Format,Args,Opts).
 
+-spec log(Category, Importance, Format, FormatArgs, Opts) -> ok
+ when Category :: atom() | integer() | string(),
+ Importance :: integer(),
+ Format :: string(),
+ FormatArgs :: list(),
+ Opts :: [Opt],
+ Opt :: {heading,string()} | no_css | esc_chars.
 log(Category,Importance,Format,Args,Opts) ->
 ct_logs:tc_log(Category,Importance,Format,Args,Opts).
 
+-spec print(Format) -> ok
+ when Format :: string().
 print(Format) ->
 print(default,?STD_IMPORTANCE,Format,[],[]).
 
+-spec print(X1, X2) -> ok
+ when X1 :: Category | Importance | Format,
+ X2 :: Format | FormatArgs,
+ Category :: atom() | integer() | string(),
+ Importance :: integer(),
+ Format :: string(),
+ FormatArgs :: list().
 print(X1,X2) ->
 {Category,Importance,Format,Args} = 
 	if is_atom(X1) -> {X1,?STD_IMPORTANCE,X2,[]};
@@ -213,6 +447,16 @@ print(X1,X2) ->
 	end,
 print(Category,Importance,Format,Args,[]).
 
+-spec print(X1, X2, X3) -> ok
+ when X1 :: Category | Importance,
+ X2 :: Importance | Format,
+ X3 :: Format | FormatArgs | Opts,
+ Category :: atom() | integer() | string(),
+ Importance :: integer(),
+ Format :: string(),
+ FormatArgs :: list(),
+ Opts :: [Opt],
+ Opt :: {heading,string()}.
 print(X1,X2,X3) ->
 {Category,Importance,Format,Args,Opts} = 
 	if is_atom(X1), is_integer(X2) -> {X1,X2,X3,[],[]};
@@ -222,6 +466,17 @@ print(X1,X2,X3) ->
 	end,
 print(Category,Importance,Format,Args,Opts).
 
+-spec print(X1, X2, X3, X4) -> ok
+ when X1 :: Category | Importance,
+ X2 :: Importance | Format,
+ X3 :: Format | FormatArgs,
+ X4 :: FormatArgs | Opts,
+ Category :: atom() | integer() | string(),
+ Importance :: integer(),
+ Format :: string(),
+ FormatArgs :: list(),
+ Opts :: [Opt],
+ Opt :: {heading,string()}.
 print(X1,X2,X3,X4) ->
 {Category,Importance,Format,Args,Opts} = 
 	if is_atom(X1), is_integer(X2) -> {X1,X2,X3,X4,[]};
@@ -230,12 +485,28 @@ print(X1,X2,X3,X4) ->
 	end,
 print(Category,Importance,Format,Args,Opts).
 
+-spec print(Category, Importance, Format, FormatArgs, Opts) -> ok
+ when Category :: atom() | integer() | string(),
+ Importance :: integer(),
+ Format :: string(),
+ FormatArgs :: list(),
+ Opts :: [Opt],
+ Opt :: {heading,string()}.
 print(Category,Importance,Format,Args,Opts) ->
 ct_logs:tc_print(Category,Importance,Format,Args,Opts).
 
+-spec pal(Format) -> ok
+ when Format :: string().
 pal(Format) ->
 pal(default,?STD_IMPORTANCE,Format,[]).
 
+-spec pal(X1, X2) -> ok
+ when X1 :: Category | Importance | Format,
+ X2 :: Format | FormatArgs,
+ Category :: atom() | integer() | string(),
+ Importance :: integer(),
+ Format :: string(),
+ FormatArgs :: list().
 pal(X1,X2) ->
 {Category,Importance,Format,Args} = 
 	if is_atom(X1) -> {X1,?STD_IMPORTANCE,X2,[]};
@@ -244,6 +515,15 @@ pal(X1,X2) ->
 	end,
 pal(Category,Importance,Format,Args,[]).
 
+-spec pal(X1, X2, X3) -> ok
+ when X1 :: Category | Importance,
+ X2 :: Importance | Format,
+ X3 :: Format | FormatArgs | Opt,
+ Category :: atom() | integer() | string(),
+ Importance :: integer(),
+ Format :: string(),
+ FormatArgs :: list(),
+ Opt :: {heading,string()} | no_css.
 pal(X1,X2,X3) ->
 {Category,Importance,Format,Args,Opts} = 
 	if is_atom(X1), is_integer(X2) -> {X1,X2,X3,[],[]};
@@ -253,6 +533,17 @@ pal(X1,X2,X3) ->
 	end,
 pal(Category,Importance,Format,Args,Opts).
 
+-spec pal(X1, X2, X3, X4) -> ok
+ when X1 :: Category | Importance,
+ X2 :: Importance | Format,
+ X3 :: Format | FormatArgs,
+ X4 :: FormatArgs | Opts,
+ Category :: atom() | integer() | string(),
+ Importance :: integer(),
+ Format :: string(),
+ FormatArgs :: list(),
+ Opts :: [Opt],
+ Opt :: {heading,string()} | no_css.
 pal(X1,X2,X3,X4) ->
 {Category,Importance,Format,Args,Opts} = 
 	if is_atom(X1), is_integer(X2) -> {X1,X2,X3,X4,[]};
@@ -261,25 +552,45 @@ pal(X1,X2,X3,X4) ->
 	end,
 pal(Category,Importance,Format,Args,Opts).
 
+-spec pal(Category, Importance, Format, FormatArgs, Opts) -> ok
+ when Category :: atom() | integer() | string(),
+ Importance :: integer(),
+ Format :: string(),
+ FormatArgs :: list(),
+ Opts :: [Opt],
+ Opt :: {heading,string()} | no_css.
 pal(Category,Importance,Format,Args,Opts) ->
 ct_logs:tc_pal(Category,Importance,Format,Args,Opts).
 
+-spec set_verbosity(Category, Level) -> ok
+ when Category :: default | atom(),
+ Level :: integer().
 set_verbosity(Category, Level) ->
 ct_util:set_verbosity({Category,Level}).
 
+-spec get_verbosity(Category) -> Level | undefined
+ when Category :: default | atom(),
+ Level :: integer().
 get_verbosity(Category) ->
 ct_util:get_verbosity(Category).
 
+-spec capture_start() -> ok.
 capture_start() ->
 test_server:capture_start().
 
+-spec capture_stop() -> ok.
 capture_stop() ->
 test_server:capture_stop().
 
+-spec capture_get() -> ListOfStrings
+ when ListOfStrings :: [string()].
 capture_get() ->
 %% remove default log printouts (e.g. ct:log/2 printouts)
 capture_get([default]).
 
+-spec capture_get(ExclCategories) -> ListOfStrings
+ when ExclCategories :: [atom()],
+ ListOfStrings :: [string()].
 capture_get([ExclCat | ExclCategories]) ->
 Strs = test_server:capture_get(),
 CatsStr = [atom_to_list(ExclCat) | 
@@ -296,8 +607,9 @@ capture_get([ExclCat | ExclCategories]) ->
 capture_get([]) ->
 test_server:capture_get().
 
--spec fail(term()) -> no_return().
 
+-spec fail(Reason) -> no_return()
+ when Reason :: term().
 fail(Reason) ->
 try
 	exit({test_case_failed,Reason})
@@ -310,8 +622,10 @@ fail(Reason) ->
 	 erlang:raise(Class, R, Stk)
 end.
 
--spec fail(io:format(), [term()]) -> no_return().
 
+-spec fail(Format, Args) -> no_return()
+ when Format :: io:format(),
+ Args :: [term()].
 fail(Format, Args) ->
 try io_lib:format(Format, Args) of
 	Str ->
@@ -330,6 +644,8 @@ fail(Format, Args) ->
 	 exit({BadArgs,{?MODULE,fail,[Format,Args]}})
 end.
 
+-spec comment(Comment) -> ok
+ when Comment :: term().
 comment(Comment) when is_list(Comment) ->
 Formatted =
 	case (catch io_lib:format("~ts",[Comment])) of
@@ -343,6 +659,9 @@ comment(Comment) ->
 Formatted = io_lib:format("~tp",[Comment]),
 send_html_comment(lists:flatten(Formatted)).
 
+-spec comment(Format, Args) -> ok
+ when Format :: string(),
+ Args :: list().
 comment(Format, Args) when is_list(Format), is_list(Args) ->
 Formatted =
 	case (catch io_lib:format(Format, Args)) of
@@ -358,14 +677,19 @@ send_html_comment(Comment) ->
 ct_util:set_testdata({{comment,group_leader()},Html}),
 test_server:comment(Html).
 
+-spec make_priv_dir() -> ok | {error, Reason}
+ when Reason :: term().
 make_priv_dir() ->
 test_server:make_priv_dir().
 
+-spec get_target_name(Handle) -> {ok, TargetName} | {error, Reason}
+ when Handle :: handle(),
+ TargetName :: target_name(),
+ Reason :: term().
 get_target_name(Handle) ->
 ct_util:get_target_name(Handle).
 
 -spec get_progname() -> string().
-
 get_progname() ->
 case init:get_argument(progname) of
 	{ok, [[Prog]]} ->
@@ -374,12 +698,26 @@ get_progname() ->
 	 "no_prog_name"
 end.
 
+-spec parse_table(Data) -> {Heading, Table}
+ when Data :: [string()],
+ Heading :: tuple(),
+ Table :: [tuple()].
 parse_table(Data) ->
 ct_util:parse_table(Data).
 
+-spec listenv(Telnet) -> {ok, [Env]}
+ when Telnet :: term(),
+ Env :: {Key, Value},
+ Key :: string(),
+ Value :: string().
 listenv(Telnet) ->
 ct_util:listenv(Telnet).
 
+-spec testcases(TestDir, Suite) -> Testcases | {error, Reason}
+ when TestDir :: string(),
+ Suite :: atom(),
+ Testcases :: list(),
+ Reason :: term().
 testcases(TestDir, Suite) ->
 case make_and_load(TestDir, Suite) of
 	E = {error,_} ->
@@ -415,6 +753,11 @@ make_and_load(Dir, Suite) ->
 	 end
 end.
 
+-spec userdata(TestDir, Suite) -> SuiteUserData | {error, Reason}
+ when TestDir :: string(),
+ Suite :: atom(),
+ SuiteUserData :: [term()],
+ Reason :: term().
 userdata(TestDir, Suite) ->
 case make_and_load(TestDir, Suite) of
 	E = {error,_} ->
@@ -440,6 +783,13 @@ get_userdata(List, _) when is_list(List) ->
 get_userdata(_BadTerm, Spec) ->
 {error,list_to_atom(Spec ++ " must return a list")}.
 
+-spec userdata(TestDir, Suite, Case::GroupOrCase) -> TCUserData | {error, Reason}
+ when TestDir :: string(),
+ Suite :: atom(),
+ GroupOrCase :: {group, GroupName} | atom(),
+ GroupName :: atom(),
+ TCUserData :: [term()],
+ Reason :: term().
 userdata(TestDir, Suite, {group,GroupName}) ->
 case make_and_load(TestDir, Suite) of
 	E = {error,_} ->
@@ -458,6 +808,19 @@ userdata(TestDir, Suite, Case) when is_atom(Case) ->
 	 get_userdata(Info, atom_to_list(Case)++"/0")
 end.
 
+-spec get_status() -> TestStatus | {error, Reason} | no_tests_running
+ when TestStatus :: [StatusElem],
+ StatusElem :: {current, TestCaseInfo} | {successful, Successful} | {failed, Failed} | {skipped, Skipped} | {total, Total},
+ TestCaseInfo :: {Suite, TestCase} | [{Suite, TestCase}],
+ Suite :: atom(),
+ TestCase :: atom(),
+ Successful :: integer(),
+ Failed :: integer(),
+ Skipped :: {UserSkipped, AutoSkipped},
+ UserSkipped :: integer(),
+ AutoSkipped :: integer(),
+ Total :: integer(),
+ Reason :: term().
 get_status() ->
 case get_testdata(curr_tc) of
 	{ok,TestCase} ->
@@ -489,37 +852,87 @@ get_testdata(Key) ->
 	 {ok,Data}
 end.
 
+-spec abort_current_testcase(Reason) -> ok | {error, ErrorReason}
+ when Reason :: term(),
+ ErrorReason :: no_testcase_running | parallel_group. 
 abort_current_testcase(Reason) ->
 test_server_ctrl:abort_current_testcase(Reason).
 
+-spec get_event_mgr_ref() -> EvMgrRef
+ when EvMgrRef :: atom().
 get_event_mgr_ref() ->
 ?CT_EVMGR_REF.
 
+-spec encrypt_config_file(SrcFileName, EncryptFileName) -> ok | {error, Reason}
+ when SrcFileName :: string(),
+ EncryptFileName :: string(),
+ Reason :: term().
 encrypt_config_file(SrcFileName, EncryptFileName) ->
 ct_config:encrypt_config_file(SrcFileName, EncryptFileName).
 
+-spec encrypt_config_file(SrcFileName, EncryptFileName, KeyOrFile) -> ok | {error, Reason}
+ when SrcFileName :: string(),
+ EncryptFileName :: string(),
+ KeyOrFile :: {key, string()} | {file, string()},
+ Reason :: term().
 encrypt_config_file(SrcFileName, EncryptFileName, KeyOrFile) ->
 ct_config:encrypt_config_file(SrcFileName, EncryptFileName, KeyOrFile).
 
+-spec decrypt_config_file(EncryptFileName, TargetFileName) -> ok | {error, Reason}
+ when EncryptFileName :: string(),
+ TargetFileName :: string(),
+ Reason :: term().
 decrypt_config_file(EncryptFileName, TargetFileName) ->
 ct_config:decrypt_config_file(EncryptFileName, TargetFileName).
 
+-spec decrypt_config_file(EncryptFileName, TargetFileName, KeyOrFile) -> ok | {error, Reason}
+ when EncryptFileName :: string(),
+ TargetFileName :: string(),
+ KeyOrFile :: {key, string()} | {file, string()},
+ Reason :: term().
 decrypt_config_file(EncryptFileName, TargetFileName, KeyOrFile) ->
 ct_config:decrypt_config_file(EncryptFileName, TargetFileName, KeyOrFile).
 
+-spec add_config(Callback, Config) -> ok | {error, Reason}
+ when Callback :: atom(),
+ Config :: string(),
+ Reason :: term().
 add_config(Callback, Config)->
 ct_config:add_config(Callback, Config).
 
+-spec remove_config(Callback, Config) -> ok
+ when Callback :: atom(),
+ Config :: string().
 remove_config(Callback, Config) ->
 ct_config:remove_config(Callback, Config).
 
+-spec timetrap(Time) -> infinity | pid()
+ when Time :: {hours, Hours} | {minutes, Mins} | {seconds, Secs} | Millisecs | infinity | Func,
+ Hours :: integer(),
+ Mins :: integer(),
+ Secs :: integer(),
+ Millisecs :: integer(),
+ Func :: {M, F, A} | function(),
+ M :: atom(),
+ F :: atom(),
+ A :: list().
 timetrap(Time) ->
 test_server:timetrap_cancel(),
 test_server:timetrap(Time).
 
+-spec get_timetrap_info() -> {Time, {Scaling,ScaleVal}}
+ when Time :: integer() | infinity,
+ Scaling :: boolean(),
+ ScaleVal :: integer().
 get_timetrap_info() ->
 test_server:get_timetrap_info().
 
+-spec sleep(Time) -> ok
+ when Time :: {hours, Hours} | {minutes, Mins} | {seconds, Secs} | Millisecs | infinity,
+ Hours :: integer(),
+ Mins :: integer(),
+ Secs :: integer(),
+ Millisecs :: integer() | float().
 sleep({hours,Hs}) ->
 sleep(trunc(Hs * 1000 * 60 * 60));
 sleep({minutes,Ms}) ->
@@ -529,12 +942,22 @@ sleep({seconds,Ss}) ->
 sleep(Time) ->
 test_server:adjusted_sleep(Time).
 
+-spec notify(Name, Data) -> ok
+ when Name :: atom(),
+ Data :: term().
 notify(Name,Data) ->
 ct_event:notify(Name, Data).
 
+-spec sync_notify(Name, Data) -> ok
+ when Name :: atom(),
+ Data :: term().
 sync_notify(Name,Data) ->
 ct_event:sync_notify(Name, Data).
 
+-spec break(Comment) -> ok | {error, Reason}
+ when Comment :: string(),
+ Reason :: {multiple_cases_running, TestCases} | 'enable break with release_shell option',
+ TestCases :: [atom()].
 break(Comment) ->
 case {ct_util:get_testdata(starter),
 	 ct_util:get_testdata(release_shell)} of
@@ -557,6 +980,10 @@ break(Comment) ->
 	 end
 end.
 
+-spec break(TestCase, Comment) -> ok | {error, Reason}
+ when TestCase :: atom(),
+ Comment :: string(),
+ Reason :: 'test case not running' | 'enable break with release_shell option'.
 break(TestCase, Comment) ->
 case {ct_util:get_testdata(starter),
 	 ct_util:get_testdata(release_shell)} of
@@ -583,12 +1010,20 @@ break(TestCase, Comment) ->
 	 end
 end.
 
+-spec continue() -> ok.
 continue() -> 
 test_server:continue().
 
+-spec continue(TestCase) -> ok
+ when TestCase :: atom().
 continue(TestCase) -> 
 test_server:continue(TestCase).
 
 
+-spec remaining_test_procs() -> {TestProcs,SharedGL,OtherGLs}
+ when TestProcs :: [{pid(),GL}],
+ GL :: pid(),
+ SharedGL :: pid(),
+ OtherGLs :: [pid()].
 remaining_test_procs() ->
 ct_util:remaining_test_procs().
-- 
2.35.3

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File 0575-ct-prevent-documentation-errors-and-ease-maintenance.patch of Package erlang (Revision 05e07e74e02c3c6851eb7fb2c2e0ef8b)

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