diff --git a/include/xlnt/styles/format.hpp b/include/xlnt/styles/format.hpp
old mode 100644
new mode 100755
index bca19b22..079e0262
--- a/include/xlnt/styles/format.hpp
+++ b/include/xlnt/styles/format.hpp
@@ -189,6 +189,16 @@ public:
     /// </summary>
     bool protection_applied() const;
 
+    /// <summary>
+    ///
+    /// </summary>
+    bool pivot_button_applied() const;
+
+    /// <summary>
+    ///
+    /// </summary>
+    bool quote_prefix_applied() const;
+
     // Style
 
     /// <summary>
diff --git a/include/xlnt/styles/style.hpp b/include/xlnt/styles/style.hpp
old mode 100644
new mode 100755
index 5d6468f1..c363c22b
--- a/include/xlnt/styles/style.hpp
+++ b/include/xlnt/styles/style.hpp
@@ -227,6 +227,16 @@ public:
     /// </summary>
     bool protection_applied() const;
 
+    /// <summary>
+    ///
+    /// </summary>
+    bool pivot_button_applied() const;
+
+    /// <summary>
+    ///
+    /// </summary>
+    bool quote_prefix_applied() const;
+
     /// <summary>
     ///
     /// </summary>
diff --git a/source/detail/format_impl.hpp b/source/detail/format_impl.hpp
old mode 100644
new mode 100755
index 85dacdeb..27a02e16
--- a/source/detail/format_impl.hpp
+++ b/source/detail/format_impl.hpp
@@ -47,10 +47,14 @@ struct format_impl
 	optional<std::size_t> protection_id;
     bool protection_applied = false;
 
+    bool pivot_button_applied = false;
+
+    bool quote_prefix_applied = false;
+
 	optional<std::string> style;
-    
+
     std::size_t references = 0;
-    
+
     XLNT_API friend bool operator==(const format_impl &left, const format_impl &right)
     {
         return left.parent == right.parent
diff --git a/source/detail/style_impl.hpp b/source/detail/style_impl.hpp
old mode 100644
new mode 100755
index 3857422a..869fd73b
--- a/source/detail/style_impl.hpp
+++ b/source/detail/style_impl.hpp
@@ -48,6 +48,10 @@ struct style_impl
 
 	optional<std::size_t> protection_id;
     bool protection_applied = false;
+
+    bool pivot_button_applied = false;
+
+    bool quote_prefix_applied = false;
 };
 
 } // namespace detail
diff --git a/source/detail/xlsx_consumer.cpp b/source/detail/xlsx_consumer.cpp
index 643b048c..761e08ae 100755
--- a/source/detail/xlsx_consumer.cpp
+++ b/source/detail/xlsx_consumer.cpp
@@ -1488,10 +1488,7 @@ void xlsx_consumer::read_stylesheet()
             while (in_element(current_style_element))
             {
                 expect_start_element(qn("spreadsheetml", "xf"), xml::content::complex);
-                // temporary to analyse
-                skip_attribute("pivotButton");
-                skip_attribute("quotePrefix");
-                
+
                 auto &record = *(!in_style_records
                     ? format_records.emplace(format_records.end())
                     : style_records.emplace(style_records.end()));
@@ -1524,6 +1521,14 @@ void xlsx_consumer::read_stylesheet()
                 record.first.protection_applied = apply_protection_present
                     && is_true(parser().attribute("applyProtection"));
 
+                auto pivot_button_present = parser().attribute_present("pivotButton");
+                record.first.pivot_button_applied = pivot_button_present
+                    && is_true(parser().attribute("pivotButton"));
+
+                auto quote_prefix_present = parser().attribute_present("quotePrefix");
+                record.first.quote_prefix_applied = quote_prefix_present
+                    && is_true(parser().attribute("quotePrefix"));
+
                 if (parser().attribute_present("xfId") && parser().name() == "cellXfs")
                 {
                     record.second = parser().attribute<std::size_t>("xfId");
@@ -1738,6 +1743,8 @@ void xlsx_consumer::read_stylesheet()
         new_format.number_format_applied = record.first.number_format_applied;
         new_format.protection_id = record.first.protection_id;
         new_format.protection_applied = record.first.protection_applied;
+        new_format.pivot_button_applied = record.first.pivot_button_applied;
+        new_format.quote_prefix_applied = record.first.quote_prefix_applied;
     }
 }
 
@@ -2136,8 +2143,19 @@ void xlsx_consumer::read_worksheet(const std::string &rel_id)
         else if (current_worksheet_element == qn("spreadsheetml", "autoFilter")) // CT_AutoFilter 0-1
         {
             ws.auto_filter(xlnt::range_reference(parser().attribute("ref")));
-            // complex type
-            skip_remaining_content(current_worksheet_element);            
+            //while (in_element(qn("spreadsheetml", "autoFilter")))
+            //{
+                skip_remaining_content(current_worksheet_element);
+            //}
+            //auto fste = expect_start_element(xml::content::simple);
+            //if (parser().element_present("filterColumn"))
+            //if(fste == qn("spreadsheetml", "filterColumn"))
+            //{
+                //skip_attributes({"colId", "showButton"});
+            //    skip_remaining_content(fste);
+                //expect_end_element(qn("spreadsheetml", "filterColumn"));
+            //}
+            //expect_end_element(qn("spreadsheetml", "autoFilter"));
         }
         else if (current_worksheet_element == qn("spreadsheetml", "sortState")) // CT_SortState 0-1
         {
@@ -2466,7 +2484,7 @@ void xlsx_consumer::read_comments(worksheet ws)
         expect_start_element(qn("spreadsheetml", "comment"), xml::content::complex);
 
         skip_attribute("shapeId");
-        auto cell_ref = parser().attribute("ref");
+	auto cell_ref = parser().attribute("ref");
         auto author_id = parser().attribute<std::size_t>("authorId");
 
         expect_start_element(qn("spreadsheetml", "text"), xml::content::complex);
@@ -2535,7 +2553,11 @@ variant xlsx_consumer::read_variant()
         }
         if (element == qn("vt", "bool"))
         {
-            value = variant(is_true(text));
+         // bool could be "0" or "false"
+		bool bvalue;
+		if (text[0] == '0' or text[0] == 'f' or text[0]=='F') bvalue = false;
+		else bvalue = true;
+        value = variant(bvalue);
         }
         else if (element == qn("vt", "vector"))
         {
@@ -2651,8 +2673,12 @@ std::vector<std::string> xlsx_consumer::read_namespaces()
 
 bool xlsx_consumer::in_element(const xml::qname &name)
 {
-    return parser().peek() != xml::parser::event_type::end_element
-        && stack_.back() == name;
+
+    if ((parser().peek() == xml::parser::event_type::end_element ) && (stack_.back() == name ))
+    {
+        return false;
+    }
+    return true;
 }
 
 xml::qname xlsx_consumer::expect_start_element(xml::content content)
@@ -2747,13 +2773,13 @@ rich_text xlsx_consumer::read_rich_text(const xml::qname &parent)
                         }
                         else if (current_run_property_element == xml::qname(xmlns, "b"))
                         {
-                            run.second.get().bold(parser().attribute_present("val")
-                                ? is_true(parser().attribute("val")) : true);
+                            run.second.get().bold(
+                                parser().attribute_present("val") ? is_true(parser().attribute("val")) : true);
                         }
                         else if (current_run_property_element == xml::qname(xmlns, "i"))
                         {
-                            run.second.get().italic(parser().attribute_present("val")
-                                ? is_true(parser().attribute("val")) : true);
+                            run.second.get().bold(
+                                parser().attribute_present("val") ? is_true(parser().attribute("val")) : true);
                         }
                         else if (current_run_property_element == xml::qname(xmlns, "u"))
                         {
diff --git a/source/detail/xlsx_producer.cpp b/source/detail/xlsx_producer.cpp
old mode 100644
new mode 100755
index f93466b3..ab9823a4
--- a/source/detail/xlsx_producer.cpp
+++ b/source/detail/xlsx_producer.cpp
@@ -58,15 +58,15 @@ std::vector<std::pair<std::string, std::string>> core_property_namespace(xlnt::c
     using xlnt::core_property;
     using xlnt::constants;
 
-    if (type == core_property::created 
+    if (type == core_property::created
         || type == core_property::modified)
     {
         return {{constants::ns("dcterms"), "dcterms"},
             {constants::ns("xsi"), "xsi"}};
     }
-    else if (type == core_property::title 
-        || type == core_property::subject 
-        || type == core_property::creator 
+    else if (type == core_property::title
+        || type == core_property::subject
+        || type == core_property::creator
         || type == core_property::description)
     {
         return {{constants::ns("dc"), "dc"}};
@@ -363,7 +363,7 @@ void xlsx_producer::write_extended_properties(const relationship &/*rel*/)
 
     for (const auto &prop : source_.extended_properties())
     {
-        write_property(to_string(prop), source_.extended_property(prop), 
+        write_property(to_string(prop), source_.extended_property(prop),
             constants::ns("extended-properties"), false, 0);
     }
 
@@ -1174,6 +1174,16 @@ void xlsx_producer::write_styles(const relationship & /*rel*/)
                 write_attribute("applyProtection", write_bool(true));
             }
 
+            if (current_style_impl.pivot_button_applied)
+            {
+                write_attribute("pivotButton", write_bool(true));
+            }
+
+            if (current_style_impl.quote_prefix_applied)
+            {
+                write_attribute("quotePrefix", write_bool(true));
+            }
+
             if (current_style_impl.alignment_id.is_set())
             {
                 const auto &current_alignment = stylesheet.alignments[current_style_impl.alignment_id.get()];
@@ -1228,7 +1238,7 @@ void xlsx_producer::write_styles(const relationship & /*rel*/)
 
         write_end_element(xmlns, "cellStyleXfs");
     }
-        
+
     // Format XFs
 
     write_start_element(xmlns, "cellXfs");
@@ -1282,6 +1292,16 @@ void xlsx_producer::write_styles(const relationship & /*rel*/)
             write_attribute("applyProtection", write_bool(true));
         }
 
+        if (current_format_impl.pivot_button_applied)
+        {
+            write_attribute("pivotButton", write_bool(true));
+        }
+
+        if (current_format_impl.quote_prefix_applied)
+        {
+            write_attribute("quotePrefix", write_bool(true));
+        }
+
         if (current_format_impl.style.is_set())
         {
             write_attribute("xfId", stylesheet.style_index(current_format_impl.style.get()));
diff --git a/source/styles/format.cpp b/source/styles/format.cpp
old mode 100644
new mode 100755
index baa5e9f1..57588204
--- a/source/styles/format.cpp
+++ b/source/styles/format.cpp
@@ -210,5 +210,14 @@ bool format::protection_applied() const
 {
     return d_->protection_applied;
 }
+bool format::pivot_button_applied() const
+{
+    return d_->pivot_button_applied;
+}
+
+bool format::quote_prefix_applied() const
+{
+    return d_->quote_prefix_applied;
+}
 
 } // namespace xlnt
diff --git a/source/styles/style.cpp b/source/styles/style.cpp
old mode 100644
new mode 100755
index 520206e8..0b574630
--- a/source/styles/style.cpp
+++ b/source/styles/style.cpp
@@ -238,4 +238,14 @@ bool style::protection_applied() const
     return d_->protection_applied;
 }
 
+bool style::pivot_button_applied() const
+{
+    return d_->pivot_button_applied;
+}
+
+bool style::quote_prefix_applied() const
+{
+    return d_->quote_prefix_applied;
+}
+
 } // namespace xlnt