1 files changed, 40 insertions, 3 deletions
diff --git a/src/gui/text/qtextdocument.cpp b/src/gui/text/qtextdocument.cpp
index 44d1b2f201..5d8eed409e 100644
--- a/src/gui/text/qtextdocument.cpp
+++ b/src/gui/text/qtextdocument.cpp
@@ -75,6 +75,18 @@ QT_BEGIN_NAMESPACE
 
 Q_CORE_EXPORT Q_DECL_CONST_FUNCTION unsigned int qt_int_sqrt(unsigned int n);
 
+
+/*!
+    Returns \c true if the string \a text is likely to be rich text;
+    otherwise returns \c false.
+
+    This function uses a fast and therefore simple heuristic. It
+    mainly checks whether there is something that looks like a tag
+    before the first line break. Although the result may be correct
+    for common cases, there is no guarantee.
+
+    This function is defined in the \c <QTextDocument> header file.
+*/
 bool Qt::mightBeRichText(const QString& text)
 {
     if (text.isEmpty())
@@ -133,6 +145,16 @@ bool Qt::mightBeRichText(const QString& text)
     return false;
 }
 
+/*!
+    Converts the plain text string \a plain to an HTML-formatted
+    paragraph while preserving most of its look.
+
+    \a mode defines how whitespace is handled.
+
+    This function is defined in the \c <QTextDocument> header file.
+
+    \sa escape(), mightBeRichText()
+*/
 QString Qt::convertFromPlainText(const QString &plain, Qt::WhiteSpaceMode mode)
 {
     int col = 0;
@@ -181,6 +203,12 @@ QString Qt::convertFromPlainText(const QString &plain, Qt::WhiteSpaceMode mode)
     return rich;
 }
 
+/*!
+    \fn QTextCodec *Qt::codecForHtml(const QByteArray &ba)
+    \internal
+
+    This function is defined in the \c <QTextDocument> header file.
+*/
 #ifndef QT_NO_TEXTCODEC
 QTextCodec *Qt::codecForHtml(const QByteArray &ba)
 {
@@ -2908,7 +2936,11 @@ void QTextHtmlExporter::emitBlock(const QTextBlock &block)
             html += QLatin1Char('>');
         html += QLatin1String("<pre");
     } else if (!list) {
-        html += QLatin1String("<p");
+        int headingLevel = blockFormat.headingLevel();
+        if (headingLevel > 0 && headingLevel <= 6)
+            html += QLatin1String("<h") + QString::number(headingLevel);
+        else
+            html += QLatin1String("<p");
     }
 
     emitBlockAttributes(block);
@@ -2931,8 +2963,13 @@ void QTextHtmlExporter::emitBlock(const QTextBlock &block)
         html += QLatin1String("</pre>");
     else if (list)
         html += QLatin1String("</li>");
-    else
-        html += QLatin1String("</p>");
+    else {
+        int headingLevel = blockFormat.headingLevel();
+        if (headingLevel > 0 && headingLevel <= 6)
+            html += QLatin1String("</h") + QString::number(headingLevel) + QLatin1Char('>');
+        else
+            html += QLatin1String("</p>");
+    }
 
     if (list) {
         if (list->itemNumber(block) == list->count() - 1) { // last item? close list