Fix some qdoc-warnings for Qt 5.8.

qtbase/src/corelib/tools/qstring.cpp:8341: warning: Unknown command '\length'
qtbase/src/corelib/tools/qstring.cpp:8354: warning: Unknown command '\length'
qtbase/src/corelib/tools/qstring.cpp:8366: warning: Unknown command '\length'
qtbase/src/corelib/doc/src/animation.qdoc:38: warning: Can't link to 'QAbstractAnimation::updateCurrentValue()'
qtbase/src/corelib/io/qdatastream.cpp:529: warning: Undocumented enum item 'Qt_5_8' in QDataStream::Version
qtbase/src/corelib/tools/qdatetime.cpp:4377: warning: No documentation for 'QDateTime::currentSecsSinceEpoch()'
qtbase/src/corelib/tools/qcommandlineoption.cpp:435: warning: Undocumented parameter 'flags' in QCommandLineOption::setFlags()
qtbase/src/network/ssl/qsslconfiguration.cpp:857: warning: Undocumented parameter 'dhparams' in QSslConfiguration::setDiffieHellmanParameters()
qtbase/src/network/ssl/qsslconfiguration.cpp:830: warning: Undocumented parameter 'hint' in QSslConfiguration::setPreSharedKeyIdentityHint()
qtbase/src/network/ssl/qssldiffiehellmanparameters.cpp:225: warning: No such enum item 'ErrorUnsafeParameters' in QSslDiffieHellmanParameters::Error
qtbase/src/network/ssl/qssldiffiehellmanparameters.cpp:225: warning: No such enum item 'ErrorInvalidInputData' in QSslDiffieHellmanParameters::Error
qtbase/src/network/ssl/qssldiffiehellmanparameters.cpp:225: warning: Undocumented enum item 'UnsafeParametersError' in QSslDiffieHellmanParameters::Error
qtbase/src/network/ssl/qssldiffiehellmanparameters.cpp:225: warning: Undocumented enum item 'NoError' in QSslDiffieHellmanParameters::Error
qtbase/src/network/ssl/qssldiffiehellmanparameters.cpp:225: warning: Undocumented enum item 'InvalidInputDataError' in QSslDiffieHellmanParameters::Error
qtbase/src/network/ssl/qssldiffiehellmanparameters.cpp:105: warning: Undocumented parameter 'encoding' in QSslDiffieHellmanParameters::QSslDiffieHellmanParameters()
qtbase/src/network/ssl/qssldiffiehellmanparameters.cpp:129: warning: Undocumented parameter 'encoding' in QSslDiffieHellmanParameters::QSslDiffieHellmanParameters()
qtbase/src/network/ssl/qssldiffiehellmanparameters.cpp:208: warning: Can't link to 'clear()'
qtbase/src/network/ssl/qssldiffiehellmanparameters.cpp:277: warning: Undocumented parameter 'dhparam' in operator<<()
qtbase/src/network/ssl/qssldiffiehellmanparameters.cpp:277: warning: No such parameter 'dhparm' in operator<<()
qtbase/src/widgets/kernel/qapplication.cpp:999: warning: Cannot find 'QApplication::autoMaximizeThreshold' specified with '\property' in any header file

Change-Id: I4ac00f0fc0dbc4d421cf7c0273635d9681962645
Reviewed-by: Topi Reiniö <topi.reinio@theqtcompany.com>

3 files changed, 14 insertions, 4 deletions

diff --git a/src/corelib/tools/qcommandlineoption.cpp b/src/corelib/tools/qcommandlineoption.cpp
index 1f7f9cc33b..7482315909 100644
--- a/src/corelib/tools/qcommandlineoption.cpp
+++ b/src/corelib/tools/qcommandlineoption.cpp
@@ -433,7 +433,7 @@ QCommandLineOption::Flags QCommandLineOption::flags() const
 }
 
 /*!
-    Set the set of flags that affect this command-line option.
+    Set the set of flags that affect this command-line option to \a flags.
 
     \since 5.8
     \sa flags(), QCommandLineOption::Flags
diff --git a/src/corelib/tools/qdatetime.cpp b/src/corelib/tools/qdatetime.cpp
index adb539c388..57de7a8f6e 100644
--- a/src/corelib/tools/qdatetime.cpp
+++ b/src/corelib/tools/qdatetime.cpp
@@ -4261,6 +4261,16 @@ bool QDateTime::operator<(const QDateTime &other) const
     \sa currentDateTime(), currentDateTimeUtc(), toTime_t(), toTimeSpec()
 */
 
+/*!
+    \fn qint64 QDateTime::currentSecsSinceEpoch()
+    \since 5.8
+
+    Returns the number of seconds since 1970-01-01T00:00:00 Universal
+    Coordinated Time.
+
+    \sa currentMSecsSinceEpoch()
+*/
+
 #if defined(Q_OS_WIN)
 static inline uint msecsFromDecomposed(int hour, int minute, int sec, int msec = 0)
 {
diff --git a/src/corelib/tools/qstring.cpp b/src/corelib/tools/qstring.cpp
index 8cabb3c5d2..55390189b6 100644
--- a/src/corelib/tools/qstring.cpp
+++ b/src/corelib/tools/qstring.cpp
@@ -8338,7 +8338,7 @@ QString &QString::setRawData(const QChar *unicode, int size)
     \a start in this object.
 
     \note This function performs no error checking.
-    The behavior is undefined when \a start < 0, \length < 0,
+    The behavior is undefined when \a start < 0, \a length < 0,
     or \a start + \a length > size().
 
     \sa left(), right()
@@ -8351,7 +8351,7 @@ QString &QString::setRawData(const QChar *unicode, int size)
     0 in this object.
 
     \note This function performs no error checking.
-    The behavior is undefined when \length < 0 or \a length > size().
+    The behavior is undefined when \a length < 0 or \a length > size().
 
     \sa mid(), right()
 */
@@ -8363,7 +8363,7 @@ QString &QString::setRawData(const QChar *unicode, int size)
     size() - \a length in this object.
 
     \note This function performs no error checking.
-    The behavior is undefined when \length < 0 or \a length > size().
+    The behavior is undefined when \a length < 0 or \a length > size().
 
     \sa mid(), left()
 */