diff --git a/src/latexdocument.cpp b/src/latexdocument.cpp
index 4f6774b74..6ee49f01e 100644
--- a/src/latexdocument.cpp
+++ b/src/latexdocument.cpp
@@ -3046,6 +3046,16 @@ void LatexDocument::gatherCompletionFiles(QStringList &files, QStringList &loade
     }
 }
 
+void LatexDocument::setHideNonTextGrammarErrors(bool hide)
+{
+    m_hideNonTextGrammarErrors=hide;
+}
+
+void LatexDocument::setGrammarFormats(const QList<int> &formats)
+{
+    m_grammarFormats = formats;
+}
+
 QString LatexDocument::getMagicComment(const QString &name) const
 {
 	QString seName;
@@ -3335,6 +3345,8 @@ void LatexDocument::updateSettings()
         fmtList.insert(elem.first,getFormatId(elem.second));
     }
     synChecker.setFormats(fmtList);
+    synChecker.setHideNonTextGrammarErrors(m_hideNonTextGrammarErrors);
+    synChecker.setNonTextGrammarFormats(m_grammarFormats);
 }
 
 void LatexDocument::checkNextLine(QDocumentLineHandle *dlh, bool clearOverlay, int ticket, int hint)
diff --git a/src/latexdocument.h b/src/latexdocument.h
index b4960c89e..611bc181a 100644
--- a/src/latexdocument.h
+++ b/src/latexdocument.h
@@ -233,6 +233,9 @@ class LatexDocument: public QDocument
 
     std::list<StructureEntry *> docStructure;
 
+    void setHideNonTextGrammarErrors(bool hide);
+    void setGrammarFormats(const QList<int> &formats);
+
 private:
 	QString fileName; //absolute
 	QString temporaryFileName; //absolute, temporary
@@ -283,6 +286,9 @@ class LatexDocument: public QDocument
 
     bool m_cachedDataOnly=false;
 
+    bool m_hideNonTextGrammarErrors=true;
+    QList<int> m_grammarFormats;
+
 #ifndef QT_NO_DEBUG
 public:
 	QSet<StructureEntry *> StructureContent;
diff --git a/src/latexeditorview.cpp b/src/latexeditorview.cpp
index c9353cc2c..08293a465 100644
--- a/src/latexeditorview.cpp
+++ b/src/latexeditorview.cpp
@@ -1173,6 +1173,8 @@ void LatexEditorView::removeTemporaryHighlight()
 
 void LatexEditorView::displayLineGrammarErrorsInternal(int lineNr, const QList<GrammarError> &errors)
 {
+    const QList<int> nonTextFormats = {numbersFormat, verbatimFormat, pictureFormat, pweaveDelimiterFormat, pweaveBlockFormat,
+                                       sweaveDelimiterFormat, sweaveBlockFormat, math_DelimiterFormat, asymptoteBlockFormat};
 	QDocumentLine line = document->line(lineNr);
 	foreach (const int f, grammarFormats)
 		line.clearOverlays(f);
@@ -1185,8 +1187,11 @@ void LatexEditorView::displayLineGrammarErrorsInternal(int lineNr, const QList<G
 			if (grammarFormatsDisabled[index]) continue;
 			f = grammarFormats[index];
 		}
-		if (config->hideNonTextGrammarErrors && (isNonTextFormat(line.getFormatAt(error.offset)) || isNonTextFormat(line.getFormatAt(error.offset + error.length - 1))))
-			continue;
+        if (config->hideNonTextGrammarErrors){
+            QFormatRange overlays=line.getOverlayAt(error.offset,nonTextFormats);
+            if(overlays.length>0)
+                continue;
+        }
 		line.addOverlay(QFormatRange(error.offset, error.length, f));
 	}
 	//todo: check for width changing like if (changed && ff->format(wordRepetitionFormat).widthChanging()) line.handle()->updateWrapAndNotifyDocument(i);
@@ -1827,6 +1832,8 @@ void LatexEditorView::updateSettings()
 	QDocument::setWorkAround(QDocument::ForceSingleCharacterDrawing, config->hackRenderingMode == 2);
 	LatexDocument::syntaxErrorFormat = syntaxErrorFormat;
     if (document){
+        document->setHideNonTextGrammarErrors(config->hideNonTextGrammarErrors);
+        document->setGrammarFormats(grammarFormats);
 		document->updateSettings();
         document->setCenterDocumentInEditor(config->centerDocumentInEditor);
     }
diff --git a/src/qcodeedit/lib/document/qdocument.cpp b/src/qcodeedit/lib/document/qdocument.cpp
index d1a1ae3cf..9a38bc6ee 100644
--- a/src/qcodeedit/lib/document/qdocument.cpp
+++ b/src/qcodeedit/lib/document/qdocument.cpp
@@ -2961,10 +2961,19 @@ void QDocumentLineHandle::addOverlayNoLock(const QFormatRange& over)
 void QDocumentLineHandle::removeOverlay(const QFormatRange& over)
 {
 	QWriteLocker locker(&mLock);
-	int i = m_overlays.removeAll(over);
+    removeOverlayNoLock(over);
+}
+/*!
+ * \brief remove overlay with extra write locking
+ * Lock needs to be held by calling function
+ * \param over
+ */
+void QDocumentLineHandle::removeOverlayNoLock(const QFormatRange &over)
+{
+    int i = m_overlays.removeAll(over);
 
-	if ( i )
-		setFlag(QDocumentLine::FormatsApplied, false);
+    if ( i )
+        setFlag(QDocumentLine::FormatsApplied, false);
 }
 
 bool QDocumentLineHandle::hasOverlay(int id){
@@ -2979,15 +2988,37 @@ bool QDocumentLineHandle::hasOverlay(int id){
 
 QList<QFormatRange> QDocumentLineHandle::getOverlays(int preferredFormat) const {
 	QReadLocker locker(&mLock);
-	QList<QFormatRange> result;
-	if (preferredFormat==-1) {
-		return m_overlays;
-	}
+    return getOverlaysNoLock(preferredFormat);
+}
 
-	for (int i=0;i<m_overlays.size();i++)
-		if (m_overlays[i].format==preferredFormat) result.append(m_overlays[i]);
+QList<QFormatRange> QDocumentLineHandle::getOverlaysNoLock(int preferredFormat) const
+{
+    QList<QFormatRange> result;
+    if (preferredFormat==-1) {
+        return m_overlays;
+    }
 
-	return result;
+    for (int i=0;i<m_overlays.size();i++)
+        if (m_overlays[i].format==preferredFormat) result.append(m_overlays[i]);
+
+    return result;
+}
+/*!
+ * \brief return all overlays of which its format are in the list of preferredFormats
+ * \param preferredFormats
+ * \return
+ */
+QList<QFormatRange> QDocumentLineHandle::getOverlaysNoLock(QList<int> preferredFormats) const
+{
+    QList<QFormatRange> result;
+    if (preferredFormats.isEmpty()) {
+        return m_overlays;
+    }
+
+    for (int i=0;i<m_overlays.size();i++)
+        if (preferredFormats.contains(m_overlays[i].format)) result.append(m_overlays[i]);
+
+    return result;
 }
 
 QFormatRange QDocumentLineHandle::getOverlayAt(int index, int preferredFormat) const {
@@ -3001,6 +3032,18 @@ QFormatRange QDocumentLineHandle::getOverlayAt(int index, int preferredFormat) c
 	return best;
 }
 
+QFormatRange QDocumentLineHandle::getOverlayAt(int index, QList<int> preferredFormats) const
+{
+    QReadLocker locker(&mLock);
+
+    QFormatRange best;
+    foreach (QFormatRange fr, m_overlays)
+        if (fr.offset<=index && fr.offset+fr.length>=index && (preferredFormats.contains(fr.format) || preferredFormats.isEmpty()))
+            if (best.length<fr.length) best=fr;
+
+    return best;
+}
+
 QFormatRange QDocumentLineHandle::getFirstOverlay(int start, int end, int preferredFormat) const {
 	QReadLocker locker(&mLock);
 
diff --git a/src/qcodeedit/lib/document/qdocumentline.cpp b/src/qcodeedit/lib/document/qdocumentline.cpp
index 9a50c7772..71052e81f 100644
--- a/src/qcodeedit/lib/document/qdocumentline.cpp
+++ b/src/qcodeedit/lib/document/qdocumentline.cpp
@@ -585,6 +585,14 @@ QFormatRange QDocumentLine::getOverlayAt(int index, int preferredFormat) const {
 	return m_handle->getOverlayAt(index,preferredFormat);
 }
 
+QFormatRange QDocumentLine::getOverlayAt(int index, QList<int> preferredFormats) const
+{
+    if ( !m_handle )
+        return QFormatRange();
+
+    return m_handle->getOverlayAt(index,preferredFormats);
+}
+
 /*!
  * \brief Returns the first QFormatRange between columns \a start and \a end for the given \a preferredFormat.
  * Any format will match for \a preferredFormat == -1.
diff --git a/src/qcodeedit/lib/document/qdocumentline.h b/src/qcodeedit/lib/document/qdocumentline.h
index ecd729d29..90ee6a079 100644
--- a/src/qcodeedit/lib/document/qdocumentline.h
+++ b/src/qcodeedit/lib/document/qdocumentline.h
@@ -182,6 +182,7 @@ class QCE_EXPORT QDocumentLine
 		bool hasOverlay(int id);
 		QList<QFormatRange> getOverlays(int preferredFormat = -1) const;
 		QFormatRange getOverlayAt(int index, int preferredFormat = -1) const;
+        QFormatRange getOverlayAt(int index, QList<int> preferredFormats) const;
 		QFormatRange getFirstOverlay(int start = 0, int end = -1, int preferredFormat = -1) const;
 		QFormatRange getLastOverlay(int start = 0, int end = -1, int preferredFormat = -1) const;
 		
diff --git a/src/qcodeedit/lib/document/qdocumentline_p.h b/src/qcodeedit/lib/document/qdocumentline_p.h
index a1768b6a9..259fec34a 100644
--- a/src/qcodeedit/lib/document/qdocumentline_p.h
+++ b/src/qcodeedit/lib/document/qdocumentline_p.h
@@ -103,9 +103,13 @@ class QCE_EXPORT QDocumentLineHandle
 		void addOverlay(const QFormatRange& over);
 		void addOverlayNoLock(const QFormatRange& over);
 		void removeOverlay(const QFormatRange& over);
+        void removeOverlayNoLock(const QFormatRange& over);
 		bool hasOverlay(int id);
 		QList<QFormatRange> getOverlays(int preferredFormat) const;
+        QList<QFormatRange> getOverlaysNoLock(int preferredFormat) const;
+        QList<QFormatRange> getOverlaysNoLock(QList<int> preferredFormats) const;
 		QFormatRange getOverlayAt(int index, int preferredFormat) const;
+        QFormatRange getOverlayAt(int index, QList<int> preferredFormats) const;
 		QFormatRange getFirstOverlay(int start = 0, int end = -1, int preferredFormat = -1) const;
 		QFormatRange getLastOverlay(int start = 0, int end = -1, int preferredFormat = -1) const;
 
diff --git a/src/syntaxcheck.cpp b/src/syntaxcheck.cpp
index 63bf11347..31ac1af5a 100644
--- a/src/syntaxcheck.cpp
+++ b/src/syntaxcheck.cpp
@@ -113,6 +113,7 @@ void SyntaxCheck::run()
                 speller=newSpeller;
                 mReplacementList=newReplacementList;
                 mFormatList=newFormatList;
+                m_nonTextGrammarFormats=m_newNonTextGrammarFormats;
 			}
 			mLtxCommandLock.unlock();
 		}
@@ -151,14 +152,26 @@ void SyntaxCheck::run()
 		newLine.dlh->lockForWrite();
 		if (newLine.ticket == newLine.dlh->getCurrentTicket()) { // discard results if text has been changed meanwhile
             newLine.dlh->setCookie(QDocumentLine::LEXER_COOKIE,QVariant::fromValue<TokenList>(tl));
+            QList<QFormatRange>grammarOverlays=newLine.dlh->getOverlaysNoLock(m_nonTextGrammarFormats);
             foreach (const Error &elem, newRanges){
                 if(!mSyntaxChecking && (elem.type!=ERR_spelling) && (elem.type!=ERR_highlight) ){
                     // skip all syntax errors
                     continue;
                 }
-                int fmt= elem.type == ERR_spelling ? SpellerUtility::spellcheckErrorFormat : syntaxErrorFormat;
-                fmt= elem.type == ERR_highlight ? elem.format : fmt;
+                int fmt= (elem.type == ERR_spelling) ? SpellerUtility::spellcheckErrorFormat : syntaxErrorFormat;
+                fmt= (elem.type == ERR_highlight) ? elem.format : fmt;
                 newLine.dlh->addOverlayNoLock(QFormatRange(elem.range.first, elem.range.second, fmt));
+                // for ERR_highlight, remove grammarErrors
+                if(m_hideNonTextGrammarErrors && elem.type==ERR_highlight){
+                    for(int i = 0; i<grammarOverlays.size();++i){
+                        const QFormatRange &range=grammarOverlays.at(i);
+                        if(range.offset>=elem.range.first && range.offset<=elem.range.second){
+                            newLine.dlh->removeOverlayNoLock(range);
+                            grammarOverlays.removeAt(i);
+                            --i;
+                        }
+                    }
+                }
             }
             // add comment hightlight if present
             if(commentStart.first>=0){
@@ -291,6 +304,25 @@ void SyntaxCheck::enableSyntaxCheck(const bool enable){
     if (stopped) return;
     mSyntaxChecking=enable;
 }
+/*! \brief hide non text spelling errors
+ * \param hide
+ */
+void SyntaxCheck::setHideNonTextGrammarErrors(const bool hide)
+{
+    m_hideNonTextGrammarErrors=hide;
+}
+/*!
+ * \brief SyntaxCheck::setNonTextGrammarFormats
+ * \param formats
+ */
+void SyntaxCheck::setNonTextGrammarFormats(const QList<int> formats)
+{
+    if (stopped) return;
+    mLtxCommandLock.lock();
+    newLtxCommandsAvailable = true;
+    m_newNonTextGrammarFormats=formats;
+    mLtxCommandLock.unlock();
+}
 /*!
  * \brief set character/text replacementList for spell checking
  * \param replacementList Map for characater/text replacement prior to spellchecking words. E.g. "u -> ü when german is activated
diff --git a/src/syntaxcheck.h b/src/syntaxcheck.h
index c12a135b2..764e42588 100644
--- a/src/syntaxcheck.h
+++ b/src/syntaxcheck.h
@@ -117,6 +117,8 @@ class SyntaxCheck : public SafeThread
     void setReplacementList(QMap<QString, QString> replacementList);
     void setFormats(QMap<QString, int> formatList);
     void enableSyntaxCheck(const bool enable);
+    void setHideNonTextGrammarErrors(const bool hide);
+    void setNonTextGrammarFormats(const QList<int> formats);
 
 	void markUnclosedEnv(Environment env);
 
@@ -135,6 +137,8 @@ class SyntaxCheck : public SafeThread
 	bool stopped;
     bool mSyntaxChecking; //! show/hide syntax errors
     int syntaxErrorFormat;
+    bool m_hideNonTextGrammarErrors=true;
+    QList<int> m_nonTextGrammarFormats,m_newNonTextGrammarFormats;
     QSharedPointer<LatexParser> ltxCommands;
 
     QSharedPointer<LatexParser> newLtxCommands;