Doc: Fix qdoc warnings

src/corelib/kernel/qmetatype.cpp:1605: (qdoc) warning: Command '\snippet (//! [[implicit]])' failed at end of file 'qmetatyp>
src/corelib/kernel/qmetatype.cpp:1615: (qdoc) warning: Command '\snippet (//! [[member]])' failed at end of file 'qmetatype/>
src/corelib/kernel/qmetatype.cpp:1626: (qdoc) warning: Command '\snippet (//! [[memberOk]])' failed at end of file 'qmetatyp>
src/corelib/kernel/qmetatype.cpp:1639: (qdoc) warning: Command '\snippet (//! [[unaryfunc]])' failed at end of file 'qmetaty>
src/corelib/text/qbytearraymatcher.cpp:233: (qdoc) warning: No such parameter 'view' in QByteArrayMatcher::indexIn()
src/corelib/time/qdatetime.cpp:1854: (qdoc) warning: Can't link to 'QLocaleie:pmText()'
src/corelib/thread/qsemaphore.cpp:494: (qdoc) warning: Undocumented return value (hint: use 'return' or 'returns' in the text
src/corelib/thread/qsemaphore.cpp:505: (qdoc) warning: Undocumented parameter 'timeout' in QSemaphore::try_acquire_for()
src/corelib/thread/qsemaphore.cpp:505: (qdoc) warning: Undocumented return value (hint: use 'return' or 'returns' in the text
src/corelib/thread/qsemaphore.cpp:516: (qdoc) warning: Undocumented parameter 'tp' in QSemaphore::try_acquire_until()
src/corelib/thread/qsemaphore.cpp:516: (qdoc) warning: Undocumented return value (hint: use 'return' or 'returns' in the text

Change-Id: Ib612c69525ec7542f2ad3dd9a07e89f266718fd8
Reviewed-by: Topi Reiniö <topi.reinio@qt.io>

src/corelib/kernel/qmetatype.cpp

@@ -1601,7 +1601,7 @@ Q_GLOBAL_STATIC(QMetaTypeMutableViewRegistry, customTypesMutableViewRegistry)
     Registers the possibility of an implicit conversion from type From to type To in the meta
     type system. Returns \c true if the registration succeeded, otherwise false.
 
-    \snippet qmetatype/registerConverters.cpp [implicit]
+    \snippet qmetatype/registerConverters.cpp implicit
 */
 
 /*!
@@ -1611,7 +1611,7 @@ Q_GLOBAL_STATIC(QMetaTypeMutableViewRegistry, customTypesMutableViewRegistry)
     Registers a method \a function like To From::function() const as converter from type From
     to type To in the meta type system. Returns \c true if the registration succeeded, otherwise false.
 
-    \snippet qmetatype/registerConverters.cpp [member]
+    \snippet qmetatype/registerConverters.cpp member
 */
 
 /*!
@@ -1622,7 +1622,7 @@ Q_GLOBAL_STATIC(QMetaTypeMutableViewRegistry, customTypesMutableViewRegistry)
     to type To in the meta type system. Returns \c true if the registration succeeded, otherwise false.
 
     The \a ok pointer can be used by the function to indicate whether the conversion succeeded.
-    \snippet qmetatype/registerConverters.cpp [memberOk]
+    \snippet qmetatype/registerConverters.cpp memberOk
 
 */
 
@@ -1635,7 +1635,7 @@ Q_GLOBAL_STATIC(QMetaTypeMutableViewRegistry, customTypesMutableViewRegistry)
 
     \a function must take an instance of type \a From and return an instance of \a To. It can be a function
     pointer, a lambda or a functor object.
-    \snippet qmetatype/registerConverters.cpp [unaryfunc]
+    \snippet qmetatype/registerConverters.cpp unaryfunc
 */
 
 /*!

src/corelib/text/qbytearraymatcher.cpp

@@ -240,7 +240,7 @@ qsizetype QByteArrayMatcher::indexIn(const char *str, qsizetype len, qsizetype f
     \since 6.3
     \overload
 
-    Searches the byte array \a view, from byte position \a from (default
+    Searches the byte array \a data, from byte position \a from (default
     0, i.e. from the first byte), for the byte array pattern() that
     was set in the constructor or in the most recent call to
     setPattern(). Returns the position where the pattern() matched in

src/corelib/thread/qsemaphore.cpp

@@ -497,7 +497,8 @@ bool QSemaphore::tryAcquire(int n, int timeout)
 
     This function is provided for \c{std::counting_semaphore} compatibility.
 
-    It is equivalent to calling \c{tryAcquire(1)}.
+    It is equivalent to calling \c{tryAcquire(1)}, where the function returns
+    \c true on acquiring the resource successfully.
 
     \sa tryAcquire(), try_acquire_for(), try_acquire_until()
 */
@@ -508,7 +509,9 @@ bool QSemaphore::tryAcquire(int n, int timeout)
 
     This function is provided for \c{std::counting_semaphore} compatibility.
 
-    It is equivalent to calling \c{tryAcquire(1, timeout)}.
+    It is equivalent to calling \c{tryAcquire(1, timeout)}, where the call
+    times out on the given \a timeout value. The function returns \c true
+    on accquiring the resource successfully.
 
     \sa tryAcquire(), try_acquire(), try_acquire_until()
 */
@@ -520,7 +523,9 @@ bool QSemaphore::tryAcquire(int n, int timeout)
     This function is provided for \c{std::counting_semaphore} compatibility.
 
     It is equivalent to calling \c{tryAcquire(1, tp - Clock::now())},
-    which means that adjustments to \c{Clock} are ignored while waiting.
+    which means that the \a tp (time point) is recorded, ignoring the
+    adjustments to \c{Clock} while waiting. The function returns \c true
+    on acquiring the resource successfully.
 
     \sa tryAcquire(), try_acquire(), try_acquire_for()
 */

src/corelib/time/qdatetime.cpp

@@ -1900,7 +1900,7 @@ QString QTime::toString(Qt::DateFormat format) const
          \li Use AM/PM display (since 6.3). \c aP/Ap will be replaced by 'AM' or
              'PM'. In localized forms (only relevant to
              \l{QLocale::toString()}), the locale-appropriate text (returned by
-             \l{QLocale::amText()} or \l{QLocaleie:pmText()}) is used without
+             \l{QLocale::amText()} or \l{QLocale::pmText()}) is used without
              change of case.
     \row \li t \li The timezone (for example "CEST")
     \endtable