Update from latest conversion script

30 files changed, 69 insertions, 69 deletions

diff --git a/LICENSE.GPL3 b/LICENSE.GPL3
index b23400f47..13687ce50 100644
--- a/LICENSE.GPL3
+++ b/LICENSE.GPL3
@@ -440,7 +440,7 @@ this License.  If your rights have been terminated and not permanently
 reinstated, you do not qualify to receive new licenses for the same
 material under section 10.
 
-  9. Acceptance Not Retquired for Having Copies.
+  9. Acceptance Not Required for Having Copies.
 
   You are not retquired to accept this License in order to receive or
 run a copy of the Program.  Ancillary propagation of a covered work
diff --git a/doc/html/functions.html b/doc/html/functions.html
index 60603f000..653896633 100644
--- a/doc/html/functions.html
+++ b/doc/html/functions.html
@@ -1433,8 +1433,8 @@ icon:
  <a href="qdir.html#isRelativePath">TQDir</a><li>isRelativeUrl:
  <a href="qurl.html#isRelativeUrl">TQUrl</a><li>isRenaming:
  <a href="qiconview.html#isRenaming">TQIconView</a> <a href="qlistview.html#isRenaming">TQListView</a><li>isReplaceable:
- <a href="qtableitem.html#isReplaceable">TQTableItem</a><li>isRetquired:
- <a href="qsqlfieldinfo.html#isRetquired">TQSqlFieldInfo</a><li>isResizeEnabled:
+ <a href="qtableitem.html#isReplaceable">TQTableItem</a><li>isRequired:
+ <a href="qsqlfieldinfo.html#isRequired">TQSqlFieldInfo</a><li>isResizeEnabled:
  <a href="qdockwindow.html#isResizeEnabled">TQDockWindow</a> <a href="qheader.html#isResizeEnabled">TQHeader</a><li>isRoot:
  <a href="qdir.html#isRoot">TQDir</a><li>isRowHidden:
  <a href="qtable.html#isRowHidden">TQTable</a><li>isRowReadOnly:
diff --git a/doc/html/gpl.html b/doc/html/gpl.html
index 6122b4629..fd4e7874b 100644
--- a/doc/html/gpl.html
+++ b/doc/html/gpl.html
@@ -309,7 +309,7 @@ TO THE TQUALITY AND PERFORMANCE OF THE PROGRAM IS WITH YOU.  SHOULD THE
 PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF ALL NECESSARY SERVICING,
 REPAIR OR CORRECTION.
 
-  12. IN NO EVENT UNLESS RETQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
+  12. IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
 WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MAY MODIFY AND/OR
 REDISTRIBUTE THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES,
 INCLUDING ANY GENERAL, SPECIAL, INCIDENTAL OR CONSETQUENTIAL DAMAGES ARISING
diff --git a/doc/html/index b/doc/html/index
index 8cb7ae863..cc7ca3050 100644
--- a/doc/html/index
+++ b/doc/html/index
@@ -5972,7 +5972,7 @@
 "QSqlFieldInfo::defaultValue" qsqlfieldinfo.html#defaultValue
 "QSqlFieldInfo::isCalculated" qsqlfieldinfo.html#isCalculated
 "QSqlFieldInfo::isGenerated" qsqlfieldinfo.html#isGenerated
-"QSqlFieldInfo::isRetquired" qsqlfieldinfo.html#isRetquired
+"QSqlFieldInfo::isRequired" qsqlfieldinfo.html#isRequired
 "QSqlFieldInfo::isTrim" qsqlfieldinfo.html#isTrim
 "QSqlFieldInfo::length" qsqlfieldinfo.html#length
 "QSqlFieldInfo::name" qsqlfieldinfo.html#name
diff --git a/doc/html/qglobal-h.html b/doc/html/qglobal-h.html
index 6616fb619..1d5932b80 100644
--- a/doc/html/qglobal-h.html
+++ b/doc/html/qglobal-h.html
@@ -209,10 +209,10 @@ body { background: #ffffff; color: black; }
 #endif
 
 #if defined(Q_OS_MACX)
-#  ifdef MAC_OS_X_VERSION_MIN_RETQUIRED
-#    undef MAC_OS_X_VERSION_MIN_RETQUIRED
+#  ifdef MAC_OS_X_VERSION_MIN_REQUIRED
+#    undef MAC_OS_X_VERSION_MIN_REQUIRED
 #  endif
-#  define MAC_OS_X_VERSION_MIN_RETQUIRED MAC_OS_X_VERSION_10_2
+#  define MAC_OS_X_VERSION_MIN_REQUIRED MAC_OS_X_VERSION_10_2
 #  include &lt;AvailabilityMacros.h&gt;
 #  if !defined(MAC_OS_X_VERSION_10_3)
 #     define MAC_OS_X_VERSION_10_3 MAC_OS_X_VERSION_10_2 + 1
diff --git a/doc/html/qsqlfield-h.html b/doc/html/qsqlfield-h.html
index 632be144a..515c880af 100644
--- a/doc/html/qsqlfield-h.html
+++ b/doc/html/qsqlfield-h.html
@@ -165,7 +165,7 @@ public:
     bool operator==( const TQSqlFieldInfo&amp; f ) const;
 
     TQSqlField		toField() const;
-    int			isRetquired() const;
+    int			isRequired() const;
     TQVariant::Type	type() const;
     int			length() const;
     int			precision() const;
diff --git a/doc/html/qsqlfieldinfo-members.html b/doc/html/qsqlfieldinfo-members.html
index 78331918d..cadae9ea8 100644
--- a/doc/html/qsqlfieldinfo-members.html
+++ b/doc/html/qsqlfieldinfo-members.html
@@ -40,7 +40,7 @@ body { background: #ffffff; color: black; }
 <li><a href="qsqlfieldinfo.html#defaultValue">defaultValue</a>()
 <li><a href="qsqlfieldinfo.html#isCalculated">isCalculated</a>()
 <li><a href="qsqlfieldinfo.html#isGenerated">isGenerated</a>()
-<li><a href="qsqlfieldinfo.html#isRetquired">isRetquired</a>()
+<li><a href="qsqlfieldinfo.html#isRequired">isRequired</a>()
 <li><a href="qsqlfieldinfo.html#isTrim">isTrim</a>()
 <li><a href="qsqlfieldinfo.html#length">length</a>()
 <li><a href="qsqlfieldinfo.html#name">name</a>()
diff --git a/doc/html/qsqlfieldinfo.html b/doc/html/qsqlfieldinfo.html
index 20cc2e912..882010acb 100644
--- a/doc/html/qsqlfieldinfo.html
+++ b/doc/html/qsqlfieldinfo.html
@@ -44,7 +44,7 @@ body { background: #ffffff; color: black; }
 <li class=fn>TQSqlFieldInfo &amp; <a href="#operator-eq"><b>operator=</b></a> ( const&nbsp;TQSqlFieldInfo&nbsp;&amp;&nbsp;other )</li>
 <li class=fn>bool <a href="#operator-eq-eq"><b>operator==</b></a> ( const&nbsp;TQSqlFieldInfo&nbsp;&amp;&nbsp;f ) const</li>
 <li class=fn>TQSqlField <a href="#toField"><b>toField</b></a> () const</li>
-<li class=fn>int <a href="#isRetquired"><b>isRetquired</b></a> () const</li>
+<li class=fn>int <a href="#isRequired"><b>isRequired</b></a> () const</li>
 <li class=fn>TQVariant::Type <a href="#type"><b>type</b></a> () const</li>
 <li class=fn>int <a href="#length"><b>length</b></a> () const</li>
 <li class=fn>int <a href="#precision"><b>precision</b></a> () const</li>
@@ -67,7 +67,7 @@ The TQSqlFieldInfo class stores meta data associated with a SQL field.
 <p> TQSqlFieldInfo objects only store meta data; field values are
 stored in <a href="qsqlfield.html">TQSqlField</a> objects.
 <p> All values must be set in the constructor, and may be retrieved
-using <a href="#isRetquired">isRetquired</a>(), <a href="#type">type</a>(), <a href="#length">length</a>(), <a href="#precision">precision</a>(), <a href="#defaultValue">defaultValue</a>(),
+using <a href="#isRequired">isRequired</a>(), <a href="#type">type</a>(), <a href="#length">length</a>(), <a href="#precision">precision</a>(), <a href="#defaultValue">defaultValue</a>(),
 <a href="#name">name</a>(), <a href="#isGenerated">isGenerated</a>() and <a href="#typeID">typeID</a>().
 <p>See also <a href="database.html">Database Classes</a>.
 
@@ -135,7 +135,7 @@ Returns TRUE if the field should be included in auto-generated
 SQL statments, e.g. in <a href="qsqlcursor.html">TQSqlCursor</a>; otherwise returns FALSE.
 <p> <p>See also <a href="#setGenerated">setGenerated</a>().
 
-<h3 class=fn>int <a name="isRetquired"></a>TQSqlFieldInfo::isRetquired () const
+<h3 class=fn>int <a name="isRequired"></a>TQSqlFieldInfo::isRequired () const
 </h3>
 Returns a value greater than 0 if the field is retquired (NULL
 values are not allowed), 0 if it isn't retquired (NULL values are
diff --git a/doc/html/qt.dcf b/doc/html/qt.dcf
index 107f90c70..0882ceb83 100644
--- a/doc/html/qt.dcf
+++ b/doc/html/qt.dcf
@@ -7035,7 +7035,7 @@
     <keyword ref="qsqlfieldinfo.html#defaultValue">defaultValue</keyword>
     <keyword ref="qsqlfieldinfo.html#isCalculated">isCalculated</keyword>
     <keyword ref="qsqlfieldinfo.html#isGenerated">isGenerated</keyword>
-    <keyword ref="qsqlfieldinfo.html#isRetquired">isRetquired</keyword>
+    <keyword ref="qsqlfieldinfo.html#isRequired">isRequired</keyword>
     <keyword ref="qsqlfieldinfo.html#isTrim">isTrim</keyword>
     <keyword ref="qsqlfieldinfo.html#length">length</keyword>
     <keyword ref="qsqlfieldinfo.html#name">name</keyword>
diff --git a/doc/html/qxmldeclhandler.html b/doc/html/qxmldeclhandler.html
index a7c4b2d2b..afbd325bd 100644
--- a/doc/html/qxmldeclhandler.html
+++ b/doc/html/qxmldeclhandler.html
@@ -73,7 +73,7 @@ attribute is reported.
 and the name of the attribute in <em>aName</em>. It passes a string that
 represents the attribute type in <em>type</em> and a string that
 represents the attribute default in <em>valueDefault</em>. This string
-is one of "#IMPLIED", "#RETQUIRED", "#FIXED" or <a href="qstring.html#TQString-null">TQString::null</a> (if
+is one of "#IMPLIED", "#REQUIRED", "#FIXED" or <a href="qstring.html#TQString-null">TQString::null</a> (if
 none of the others applies). The reader passes the attribute's
 default value in <em>value</em>. If no default value is specified in the
 XML file, <em>value</em> is TQString::null.
diff --git a/doc/man/man3/qsqlfieldinfo.3qt b/doc/man/man3/qsqlfieldinfo.3qt
index 3b36efcc8..c7b20c60a 100644
--- a/doc/man/man3/qsqlfieldinfo.3qt
+++ b/doc/man/man3/qsqlfieldinfo.3qt
@@ -35,7 +35,7 @@ QSqlFieldInfo \- Stores meta data associated with a SQL field
 .BI "QSqlField \fBtoField\fR () const"
 .br
 .ti -1c
-.BI "int \fBisRetquired\fR () const"
+.BI "int \fBisRequired\fR () const"
 .br
 .ti -1c
 .BI "QVariant::Type \fBtype\fR () const"
@@ -79,7 +79,7 @@ The QSqlFieldInfo class stores meta data associated with a SQL field.
 .PP
 QSqlFieldInfo objects only store meta data; field values are stored in QSqlField objects.
 .PP
-All values must be set in the constructor, and may be retrieved using isRetquired(), type(), length(), precision(), defaultValue(), name(), isGenerated() and typeID().
+All values must be set in the constructor, and may be retrieved using isRequired(), type(), length(), precision(), defaultValue(), name(), isGenerated() and typeID().
 .PP
 See also Database Classes.
 .SH MEMBER FUNCTION DOCUMENTATION
@@ -106,7 +106,7 @@ See also setCalculated().
 Returns TRUE if the field should be included in auto-generated SQL statments, e.g. in QSqlCursor; otherwise returns FALSE.
 .PP
 See also setGenerated().
-.SH "int QSqlFieldInfo::isRetquired () const"
+.SH "int QSqlFieldInfo::isRequired () const"
 Returns a value greater than 0 if the field is retquired (NULL values are not allowed), 0 if it isn't retquired (NULL values are allowed) or less than 0 if it cannot be determined whether the field is retquired or not.
 .SH "bool QSqlFieldInfo::isTrim () const"
 Returns TRUE if trailing whitespace should be removed from character fields; otherwise returns FALSE.
diff --git a/examples/demo/sql/sqlex.ui b/examples/demo/sql/sqlex.ui
index a7e972f8f..189aa6399 100644
--- a/examples/demo/sql/sqlex.ui
+++ b/examples/demo/sql/sqlex.ui
@@ -64,7 +64,7 @@
                     </column>
                     <column>
                         <property name="text">
-                            <string>Retquired</string>
+                            <string>Required</string>
                         </property>
                         <property name="clickable">
                             <bool>true</bool>
diff --git a/examples/demo/sql/sqlex.ui.h b/examples/demo/sql/sqlex.ui.h
index b8e88ca91..bd58d1ee3 100644
--- a/examples/demo/sql/sqlex.ui.h
+++ b/examples/demo/sql/sqlex.ui.h
@@ -72,9 +72,9 @@ void SqlEx::dbConnect()
 	TQSqlRecordInfo ri = db->recordInfo ( *it );
 	for ( TQSqlRecordInfo::Iterator it = ri.begin(); it != ri.end(); ++it ) {
 	    TQString req;
-	    if ( (*it).isRetquired() > 0 ) {
+	    if ( (*it).isRequired() > 0 ) {
 		req = "Yes";
-	    } else if ( (*it).isRetquired() == 0 ) {
+	    } else if ( (*it).isRequired() == 0 ) {
 		req = "No";
 	    } else {
 		req = "?";
diff --git a/examples/demo/translations/demo_ar.ts b/examples/demo/translations/demo_ar.ts
index 5f0a3701a..abe42ad60 100644
--- a/examples/demo/translations/demo_ar.ts
+++ b/examples/demo/translations/demo_ar.ts
@@ -815,7 +815,7 @@ contact Trolltech if you want to upgrade to the Enterprise Edition.</source>
         <translation>طراز</translation>
     </message>
     <message>
-        <source>Retquired</source>
+        <source>Required</source>
         <translation>مطلوب</translation>
     </message>
     <message>
diff --git a/examples/demo/translations/demo_de.ts b/examples/demo/translations/demo_de.ts
index 5b7e6b577..f4ecc2c49 100644
--- a/examples/demo/translations/demo_de.ts
+++ b/examples/demo/translations/demo_de.ts
@@ -608,7 +608,7 @@ contact Trolltech if you want to upgrade to the Enterprise Edition.</source>
         <translation type="unfinished"></translation>
     </message>
     <message encoding="UTF-8">
-        <source>Retquired</source>
+        <source>Required</source>
         <translation type="unfinished"></translation>
     </message>
     <message encoding="UTF-8">
diff --git a/examples/demo/translations/demo_fr.ts b/examples/demo/translations/demo_fr.ts
index 82bdc1910..67d453483 100644
--- a/examples/demo/translations/demo_fr.ts
+++ b/examples/demo/translations/demo_fr.ts
@@ -608,7 +608,7 @@ contact Trolltech if you want to upgrade to the Enterprise Edition.</source>
         <translation type="unfinished"></translation>
     </message>
     <message encoding="UTF-8">
-        <source>Retquired</source>
+        <source>Required</source>
         <translation type="unfinished"></translation>
     </message>
     <message encoding="UTF-8">
diff --git a/examples/demo/translations/demo_he.ts b/examples/demo/translations/demo_he.ts
index 112414a09..e61a4c433 100644
--- a/examples/demo/translations/demo_he.ts
+++ b/examples/demo/translations/demo_he.ts
@@ -610,7 +610,7 @@ contact Trolltech if you want to upgrade to the Enterprise Edition.</source>
         <translation>סוג</translation>
     </message>
     <message encoding="UTF-8">
-        <source>Retquired</source>
+        <source>Required</source>
         <translation>נדרש</translation>
     </message>
     <message encoding="UTF-8">
diff --git a/src/3rdparty/libmng/libmng.h b/src/3rdparty/libmng/libmng.h
index 1880743d4..0284f1cb3 100644
--- a/src/3rdparty/libmng/libmng.h
+++ b/src/3rdparty/libmng/libmng.h
@@ -779,7 +779,7 @@ MNG_EXT mng_retcode MNG_DECL mng_set_doprogressive   (mng_handle        hHandle,
     system-defined default.
 
     TO RECAP: for sRGB systems (Windows, Linux) no action retquired!
-              for non-sRGB systems (SGI, Mac, Next) ACTION RETQUIRED!
+              for non-sRGB systems (SGI, Mac, Next) ACTION REQUIRED!
 
     Please visit http://www.srgb.com, http://www.color.org and
     http://www.littlecms.com for more info.
diff --git a/src/3rdparty/libmng/libmng_chunk_io.c b/src/3rdparty/libmng/libmng_chunk_io.c
index e22310e99..737bc7cf3 100644
--- a/src/3rdparty/libmng/libmng_chunk_io.c
+++ b/src/3rdparty/libmng/libmng_chunk_io.c
@@ -3917,7 +3917,7 @@ READ_CHUNK (read_fram)
   mng_uint32 iNamelen;
 #endif
   mng_uint32 iRemain;
-  mng_uint32 iRetquired = 0;
+  mng_uint32 iRequired = 0;
 
 #ifdef MNG_SUPPORT_TRACE
   MNG_TRACE (pData, MNG_FN_READ_FRAM, MNG_LC_START)
@@ -3958,20 +3958,20 @@ READ_CHUNK (read_fram)
 
     if (iRemain)
     {
-      iRetquired = 4;                   /* calculate and check retquired remaining length */
+      iRequired = 4;                   /* calculate and check retquired remaining length */
 
-      if (*(pTemp+1)) { iRetquired += 4; }
-      if (*(pTemp+2)) { iRetquired += 4; }
-      if (*(pTemp+3)) { iRetquired += 17; }
+      if (*(pTemp+1)) { iRequired += 4; }
+      if (*(pTemp+2)) { iRequired += 4; }
+      if (*(pTemp+3)) { iRequired += 17; }
 
       if (*(pTemp+4))
       {
-        if ((iRemain - iRetquired) % 4 != 0)
+        if ((iRemain - iRequired) % 4 != 0)
           MNG_ERROR (pData, MNG_INVALIDLENGTH)
       }
       else
       {
-        if (iRemain != iRetquired)
+        if (iRemain != iRequired)
           MNG_ERROR (pData, MNG_INVALIDLENGTH)
       }
     }
@@ -4130,7 +4130,7 @@ READ_CHUNK (read_fram)
 
         if (((mng_framp)*ppChunk)->iChangesyncid)
         {
-          ((mng_framp)*ppChunk)->iCount        = (iRemain - iRetquired) / 4;
+          ((mng_framp)*ppChunk)->iCount        = (iRemain - iRequired) / 4;
 
           if (((mng_framp)*ppChunk)->iCount)
           {
diff --git a/src/3rdparty/libpng/example.c b/src/3rdparty/libpng/example.c
index 59fb26171..323130f57 100644
--- a/src/3rdparty/libpng/example.c
+++ b/src/3rdparty/libpng/example.c
@@ -98,7 +98,7 @@ void read_png(FILE *fp, unsigned int sig_read)  /* file is already open */
     * functions.  If you want to use the default stderr and longjump method,
     * you can supply NULL for the last three parameters.  We also supply the
     * the compiler header file version, so that we know if the application
-    * was compiled with a compatible version of the library.  RETQUIRED
+    * was compiled with a compatible version of the library.  REQUIRED
     */
    png_ptr = png_create_read_struct(PNG_LIBPNG_VER_STRING,
       png_voidp user_error_ptr, user_error_fn, user_warning_fn);
@@ -109,7 +109,7 @@ void read_png(FILE *fp, unsigned int sig_read)  /* file is already open */
       return (ERROR);
    }
 
-   /* Allocate/initialize the memory for image information.  RETQUIRED. */
+   /* Allocate/initialize the memory for image information.  REQUIRED. */
    info_ptr = png_create_info_struct(png_ptr);
    if (info_ptr == NULL)
    {
@@ -119,7 +119,7 @@ void read_png(FILE *fp, unsigned int sig_read)  /* file is already open */
    }
 
    /* Set error handling if you are using the setjmp/longjmp method (this is
-    * the normal method of doing things with libpng).  RETQUIRED unless you
+    * the normal method of doing things with libpng).  REQUIRED unless you
     * set up your own error handlers in the png_create_read_struct() earlier.
     */
 
@@ -132,7 +132,7 @@ void read_png(FILE *fp, unsigned int sig_read)  /* file is already open */
       return (ERROR);
    }
 
-   /* One of the following I/O initialization methods is RETQUIRED */
+   /* One of the following I/O initialization methods is REQUIRED */
 #ifdef streams /* PNG file I/O method 1 */
    /* Set up the input control if you are using standard C streams */
    png_init_io(png_ptr, fp);
@@ -162,7 +162,7 @@ void read_png(FILE *fp, unsigned int sig_read)  /* file is already open */
    /* OK, you're doing it the hard way, with the lower-level functions */
 
    /* The call to png_read_info() gives us all of the information from the
-    * PNG file before the first IDAT (image data chunk).  RETQUIRED
+    * PNG file before the first IDAT (image data chunk).  REQUIRED
     */
    png_read_info(png_ptr, info_ptr);
 
@@ -319,14 +319,14 @@ void read_png(FILE *fp, unsigned int sig_read)  /* file is already open */
    /* Add filler (or alpha) byte (before/after each RGB triplet) */
    png_set_filler(png_ptr, 0xff, PNG_FILLER_AFTER);
 
-   /* Turn on interlace handling.  RETQUIRED if you are not using
+   /* Turn on interlace handling.  REQUIRED if you are not using
     * png_read_image().  To see how to handle interlacing passes,
     * see the png_read_row() method below:
     */
    number_passes = png_set_interlace_handling(png_ptr);
 
    /* Optional call to gamma correct and add the background to the palette
-    * and update info structure.  RETQUIRED if you are expecting libpng to
+    * and update info structure.  REQUIRED if you are expecting libpng to
     * update the palette for you (ie you selected such a transform above).
     */
    png_read_update_info(png_ptr, info_ptr);
@@ -342,7 +342,7 @@ void read_png(FILE *fp, unsigned int sig_read)  /* file is already open */
          info_ptr));
    }
 
-   /* Now it's time to read the image.  One of these methods is RETQUIRED */
+   /* Now it's time to read the image.  One of these methods is REQUIRED */
 #ifdef entire /* Read the entire image in one go */
    png_read_image(png_ptr, row_pointers);
 
@@ -375,13 +375,13 @@ void read_png(FILE *fp, unsigned int sig_read)  /* file is already open */
    }
 #endif no_entire /* use only one of these two methods */
 
-   /* read rest of file, and get additional chunks in info_ptr - RETQUIRED */
+   /* read rest of file, and get additional chunks in info_ptr - REQUIRED */
    png_read_end(png_ptr, info_ptr);
 #endif hilevel
 
    /* At this point you have read the entire image */
 
-   /* clean up after the read, and free any memory allocated - RETQUIRED */
+   /* clean up after the read, and free any memory allocated - REQUIRED */
    png_destroy_read_struct(&png_ptr, &info_ptr, png_infopp_NULL);
 
    /* close the file */
@@ -566,7 +566,7 @@ void write_png(char *file_name /* , ... other image information ... */)
     * functions.  If you want to use the default stderr and longjump method,
     * you can supply NULL for the last three parameters.  We also check that
     * the library version is compatible with the one used at compile time,
-    * in case we are using dynamically linked libraries.  RETQUIRED.
+    * in case we are using dynamically linked libraries.  REQUIRED.
     */
    png_ptr = png_create_write_struct(PNG_LIBPNG_VER_STRING,
       png_voidp user_error_ptr, user_error_fn, user_warning_fn);
@@ -577,7 +577,7 @@ void write_png(char *file_name /* , ... other image information ... */)
       return (ERROR);
    }
 
-   /* Allocate/initialize the image information data.  RETQUIRED */
+   /* Allocate/initialize the image information data.  REQUIRED */
    info_ptr = png_create_info_struct(png_ptr);
    if (info_ptr == NULL)
    {
@@ -586,7 +586,7 @@ void write_png(char *file_name /* , ... other image information ... */)
       return (ERROR);
    }
 
-   /* Set error handling.  RETQUIRED if you aren't supplying your own
+   /* Set error handling.  REQUIRED if you aren't supplying your own
     * error handling functions in the png_create_write_struct() call.
     */
    if (setjmp(png_jmpbuf(png_ptr)))
@@ -597,7 +597,7 @@ void write_png(char *file_name /* , ... other image information ... */)
       return (ERROR);
    }
 
-   /* One of the following I/O initialization functions is RETQUIRED */
+   /* One of the following I/O initialization functions is REQUIRED */
 #ifdef streams /* I/O initialization method 1 */
    /* set up the output control if you are using standard C streams */
    png_init_io(png_ptr, fp);
@@ -624,12 +624,12 @@ void write_png(char *file_name /* , ... other image information ... */)
     * PNG_COLOR_TYPE_GRAY_ALPHA, PNG_COLOR_TYPE_PALETTE, PNG_COLOR_TYPE_RGB,
     * or PNG_COLOR_TYPE_RGB_ALPHA.  interlace is either PNG_INTERLACE_NONE or
     * PNG_INTERLACE_ADAM7, and the compression_type and filter_type MUST
-    * currently be PNG_COMPRESSION_TYPE_BASE and PNG_FILTER_TYPE_BASE. RETQUIRED
+    * currently be PNG_COMPRESSION_TYPE_BASE and PNG_FILTER_TYPE_BASE. REQUIRED
     */
    png_set_IHDR(png_ptr, info_ptr, width, height, bit_depth, PNG_COLOR_TYPE_???,
       PNG_INTERLACE_????, PNG_COMPRESSION_TYPE_BASE, PNG_FILTER_TYPE_BASE);
 
-   /* set the palette if there is one.  RETQUIRED for indexed-color images */
+   /* set the palette if there is one.  REQUIRED for indexed-color images */
    palette = (png_colorp)png_malloc(png_ptr, PNG_MAX_PALETTE_LENGTH
              * sizeof (png_color));
    /* ... set palette colors ... */
@@ -676,7 +676,7 @@ void write_png(char *file_name /* , ... other image information ... */)
    /* note that if sRGB is present the gAMA and cHRM chunks must be ignored
     * on read and must be written in accordance with the sRGB profile */
 
-   /* Write the file header information.  RETQUIRED */
+   /* Write the file header information.  REQUIRED */
    png_write_info(png_ptr, info_ptr);
 
    /* If you want, you can write the info in two steps, in case you need to
@@ -744,7 +744,7 @@ void write_png(char *file_name /* , ... other image information ... */)
    for (k = 0; k < height; k++)
      row_pointers[k] = image + k*width*bytes_per_pixel;
 
-   /* One of the following output methods is RETQUIRED */
+   /* One of the following output methods is REQUIRED */
 #ifdef entire /* write out the entire image data in one call */
    png_write_image(png_ptr, row_pointers);
 
@@ -773,7 +773,7 @@ void write_png(char *file_name /* , ... other image information ... */)
     * register unknown chunks into the info structure to be written out.
     */
 
-   /* It is RETQUIRED to call this to finish writing the rest of the file */
+   /* It is REQUIRED to call this to finish writing the rest of the file */
    png_write_end(png_ptr, info_ptr);
 #endif hilevel
 
diff --git a/src/3rdparty/libpng/pngread.c b/src/3rdparty/libpng/pngread.c
index f51a4edc7..269a6be0d 100644
--- a/src/3rdparty/libpng/pngread.c
+++ b/src/3rdparty/libpng/pngread.c
@@ -1381,7 +1381,7 @@ png_read_png(png_structp png_ptr, png_infop info_ptr,
    /* We don't handle adding filler bytes */
 
    /* Optional call to gamma correct and add the background to the palette
-    * and update info structure.  RETQUIRED if you are expecting libpng to
+    * and update info structure.  REQUIRED if you are expecting libpng to
     * update the palette for you (i.e., you selected such a transform above).
     */
    png_read_update_info(png_ptr, info_ptr);
@@ -1408,7 +1408,7 @@ png_read_png(png_structp png_ptr, png_infop info_ptr,
    png_read_image(png_ptr, info_ptr->row_pointers);
    info_ptr->valid |= PNG_INFO_IDAT;
 
-   /* read rest of file, and get additional chunks in info_ptr - RETQUIRED */
+   /* read rest of file, and get additional chunks in info_ptr - REQUIRED */
    png_read_end(png_ptr, info_ptr);
 
    if(transforms == 0 || params == NULL)
diff --git a/src/3rdparty/libpng/pngwrite.c b/src/3rdparty/libpng/pngwrite.c
index b005a8d8a..91fc56978 100644
--- a/src/3rdparty/libpng/pngwrite.c
+++ b/src/3rdparty/libpng/pngwrite.c
@@ -1440,7 +1440,7 @@ png_write_png(png_structp png_ptr, png_infop info_ptr,
    if (info_ptr->valid & PNG_INFO_IDAT)
        png_write_image(png_ptr, info_ptr->row_pointers);
 
-   /* It is RETQUIRED to call this to finish writing the rest of the file */
+   /* It is REQUIRED to call this to finish writing the rest of the file */
    png_write_end(png_ptr, info_ptr);
 
    if(transforms == 0 || params == NULL)
diff --git a/src/kernel/qinputcontext.cpp b/src/kernel/qinputcontext.cpp
index 40614d8ff..8e71552c6 100644
--- a/src/kernel/qinputcontext.cpp
+++ b/src/kernel/qinputcontext.cpp
@@ -91,7 +91,7 @@ public:
 };
 
 
-// UPDATED COMMENT RETQUIRED -- 2004-07-08 YamaKen
+// UPDATED COMMENT REQUIRED -- 2004-07-08 YamaKen
 /*!
     \class TQInputContext qinputcontext.h
     \brief The TQInputContext class abstracts the input method dependent data and composing state.
diff --git a/src/kernel/qwidget.cpp b/src/kernel/qwidget.cpp
index 4d8519884..8fd6fd504 100644
--- a/src/kernel/qwidget.cpp
+++ b/src/kernel/qwidget.cpp
@@ -4009,7 +4009,7 @@ void TQWidget::show()
 	TQApplication::postEvent( parentWidget(),
 				 new TQEvent(TQEvent::LayoutHint) );
 
-    // Retquired for Mac, not sure whether we should always do that
+    // Required for Mac, not sure whether we should always do that
     if( isTopLevel() )
 	TQApplication::sendPostedEvents(0, TQEvent::LayoutHint);
 
diff --git a/src/opengl/qgl_x11.cpp b/src/opengl/qgl_x11.cpp
index 7857d5fe2..1ed11172f 100644
--- a/src/opengl/qgl_x11.cpp
+++ b/src/opengl/qgl_x11.cpp
@@ -623,7 +623,7 @@ void *TQGLContext::tryVisual( const TQGLFormat& f, int bufDepth )
 	useTranspExtChecked = TRUE;
     }
     if ( f.plane() && useTranspExt ) {
-	// Retquired to avoid non-transparent overlay visual(!) on some systems
+	// Required to avoid non-transparent overlay visual(!) on some systems
 	spec[i++] = GLX_TRANSPARENT_TYPE_EXT;
 	spec[i++] = f.rgba() ? GLX_TRANSPARENT_RGB_EXT : GLX_TRANSPARENT_INDEX_EXT;
     }
diff --git a/src/sql/qsqlfield.cpp b/src/sql/qsqlfield.cpp
index b197b797e..a15f0681d 100644
--- a/src/sql/qsqlfield.cpp
+++ b/src/sql/qsqlfield.cpp
@@ -316,7 +316,7 @@ struct TQSqlFieldInfoPrivate
     stored in TQSqlField objects.
 
     All values must be set in the constructor, and may be retrieved
-    using isRetquired(), type(), length(), precision(), defaultValue(),
+    using isRequired(), type(), length(), precision(), defaultValue(),
     name(), isGenerated() and typeID().
 */
 
@@ -453,7 +453,7 @@ TQSqlField TQSqlFieldInfo::toField() const
     allowed) or less than 0 if it cannot be determined whether the
     field is retquired or not.
 */
-int TQSqlFieldInfo::isRetquired() const
+int TQSqlFieldInfo::isRequired() const
 { return d->retquired; }
 
 /*!
diff --git a/src/sql/qsqlfield.h b/src/sql/qsqlfield.h
index 4811fbad9..ee6b3b051 100644
--- a/src/sql/qsqlfield.h
+++ b/src/sql/qsqlfield.h
@@ -130,7 +130,7 @@ public:
     bool operator==( const TQSqlFieldInfo& f ) const;
 
     TQSqlField		toField() const;
-    int			isRetquired() const;
+    int			isRequired() const;
     TQVariant::Type	type() const;
     int			length() const;
     int			precision() const;
diff --git a/src/tools/qglobal.h b/src/tools/qglobal.h
index 9afc8cf16..ad3f0ba50 100644
--- a/src/tools/qglobal.h
+++ b/src/tools/qglobal.h
@@ -177,10 +177,10 @@
 #endif
 
 #if defined(Q_OS_MACX)
-#  ifdef MAC_OS_X_VERSION_MIN_RETQUIRED
-#    undef MAC_OS_X_VERSION_MIN_RETQUIRED
+#  ifdef MAC_OS_X_VERSION_MIN_REQUIRED
+#    undef MAC_OS_X_VERSION_MIN_REQUIRED
 #  endif
-#  define MAC_OS_X_VERSION_MIN_RETQUIRED MAC_OS_X_VERSION_10_2
+#  define MAC_OS_X_VERSION_MIN_REQUIRED MAC_OS_X_VERSION_10_2
 #  include <AvailabilityMacros.h>
 #  if !defined(MAC_OS_X_VERSION_10_3)
 #     define MAC_OS_X_VERSION_10_3 MAC_OS_X_VERSION_10_2 + 1
diff --git a/src/xml/qxml.cpp b/src/xml/qxml.cpp
index 3fdbd7550..fb09a89fa 100644
--- a/src/xml/qxml.cpp
+++ b/src/xml/qxml.cpp
@@ -1838,7 +1838,7 @@ TQString TQXmlInputSource::fromRawData( const TQByteArray &data, bool beginning
     and the name of the attribute in \a aName. It passes a string that
     represents the attribute type in \a type and a string that
     represents the attribute default in \a valueDefault. This string
-    is one of "#IMPLIED", "#RETQUIRED", "#FIXED" or TQString::null (if
+    is one of "#IMPLIED", "#REQUIRED", "#FIXED" or TQString::null (if
     none of the others applies). The reader passes the attribute's
     default value in \a value. If no default value is specified in the
     XML file, \a value is TQString::null.
@@ -5068,7 +5068,7 @@ bool TQXmlSimpleReader::parseAttlistDecl()
     const signed char Atttype          =  7; // parse the AttType
     const signed char Ws3              =  8; // whitespace read
     const signed char DDecH            =  9; // DefaultDecl with #
-    const signed char DefReq           = 10; // parse the string "RETQUIRED"
+    const signed char DefReq           = 10; // parse the string "REQUIRED"
     const signed char DefImp           = 11; // parse the string "IMPLIED"
     const signed char DefFix           = 12; // parse the string "FIXED"
     const signed char Attval           = 13; // parse the AttValue
@@ -5207,7 +5207,7 @@ bool TQXmlSimpleReader::parseAttlistDecl()
 		next();
 		break;
 	    case DefReq:
-		d->parseString_s = "RETQUIRED";
+		d->parseString_s = "REQUIRED";
 		if ( !parseString() ) {
 		    parseFailed( &TQXmlSimpleReader::parseAttlistDecl, state );
 		    return FALSE;
diff --git a/tools/qconfig/main.cpp b/tools/qconfig/main.cpp
index b9d66a4d6..fa81b2f0d 100644
--- a/tools/qconfig/main.cpp
+++ b/tools/qconfig/main.cpp
@@ -647,7 +647,7 @@ void Main::showInfo(TQListViewItem* i)
 	}
 	TQStringList rdeps = rdependencies[choice->id];
 	if ( !rdeps.isEmpty() ) {
-	    i += "<h3>Retquired for:</h3><ul>";
+	    i += "<h3>Required for:</h3><ul>";
 	    for (TQStringList::ConstIterator it = rdeps.begin();
 		    it != rdeps.end(); ++it)
 	    {