diff --git a/README.md b/README.md
index 936ea23..af04829 100644
--- a/README.md
+++ b/README.md
@@ -1,3 +1,7 @@
 # docx-rs
 
 [![GitHub Actions Status](https://github.com/bokuweb/docx-rs/workflows/Continuous%20Integration/badge.svg)](https://github.com/bokuweb/docx-rs/actions)
+
+# Features
+
+- [x] Paragraph
diff --git a/docx-core/src/documents/document.rs b/docx-core/src/documents/document.rs
index b852ef8..eb3f758 100644
--- a/docx-core/src/documents/document.rs
+++ b/docx-core/src/documents/document.rs
@@ -3,33 +3,33 @@ use crate::documents::BuildXML;
 use crate::xml_builder::*;
 
 #[derive(Debug)]
-pub struct Document {
-    children: Vec<DocumentChild>,
+pub struct Document<'a> {
+    children: Vec<DocumentChild<'a>>,
 }
 
 #[derive(Debug, Clone)]
-pub enum DocumentChild {
-    Paragraph(Paragraph),
-    Table(Table),
+pub enum DocumentChild<'a> {
+    Paragraph(Paragraph<'a>),
+    Table(Table<'a>),
 }
 
-impl Document {
-    pub fn new() -> Document {
+impl<'a> Document<'a> {
+    pub fn new() -> Document<'a> {
         Default::default()
     }
 
-    pub fn add_paragraph(mut self, p: Paragraph) -> Self {
+    pub fn add_paragraph(mut self, p: Paragraph<'a>) -> Self {
         self.children.push(DocumentChild::Paragraph(p));
         self
     }
 
-    pub fn add_table(mut self, t: Table) -> Self {
+    pub fn add_table(mut self, t: Table<'a>) -> Self {
         self.children.push(DocumentChild::Table(t));
         self
     }
 }
 
-impl Default for Document {
+impl<'a> Default for Document<'a> {
     fn default() -> Self {
         Self {
             children: Vec::new(),
@@ -37,7 +37,7 @@ impl Default for Document {
     }
 }
 
-impl BuildXML for Document {
+impl<'a> BuildXML for Document<'a> {
     fn build(&self) -> Vec<u8> {
         let mut b = XMLBuilder::new()
             .declaration(Some(true))
diff --git a/docx-core/src/documents/elements/delete.rs b/docx-core/src/documents/elements/delete.rs
new file mode 100644
index 0000000..c840df2
--- /dev/null
+++ b/docx-core/src/documents/elements/delete.rs
@@ -0,0 +1,60 @@
+use crate::documents::{BuildXML, HistoryId, Run};
+use crate::xml_builder::*;
+
+#[derive(Debug, Clone)]
+pub struct Delete<'a> {
+    author: &'a str,
+    date: &'a str,
+    run: Run,
+}
+
+impl<'a> Default for Delete<'a> {
+    fn default() -> Delete<'a> {
+        Delete {
+            author: "unnamed",
+            date: "1970-01-01T00:00:00Z",
+            run: Run::new(),
+        }
+    }
+}
+
+impl<'a> Delete<'a> {
+    pub fn new() -> Delete<'a> {
+        Default::default()
+    }
+
+    pub fn run(mut self, run: Run) -> Delete<'a> {
+        self.run = run;
+        self
+    }
+}
+
+impl<'a> HistoryId for Delete<'a> {}
+
+impl<'a> BuildXML for Delete<'a> {
+    fn build(&self) -> Vec<u8> {
+        XMLBuilder::new()
+            .open_delete(&self.generate(), self.author, self.date)
+            .add_child(&self.run)
+            .close()
+            .build()
+    }
+}
+
+#[cfg(test)]
+mod tests {
+
+    use super::*;
+    #[cfg(test)]
+    use pretty_assertions::assert_eq;
+    use std::str;
+
+    #[test]
+    fn test_delete_default() {
+        let b = Delete::new().build();
+        assert_eq!(
+            str::from_utf8(&b).unwrap(),
+            r#"<w:del w:id="123" w:author="unnamed" w:data="1970-01-01T00:00:00Z"><w:r><w:rPr /></w:r></w:del>"#
+        );
+    }
+}
diff --git a/docx-core/src/documents/elements/delete_text.rs b/docx-core/src/documents/elements/delete_text.rs
new file mode 100644
index 0000000..848f3e7
--- /dev/null
+++ b/docx-core/src/documents/elements/delete_text.rs
@@ -0,0 +1,41 @@
+use crate::documents::BuildXML;
+use crate::xml_builder::*;
+
+#[derive(Debug, Clone)]
+pub struct DeleteText {
+    text: String,
+    preserve_space: bool,
+}
+
+impl DeleteText {
+    pub fn new(text: impl Into<String>) -> DeleteText {
+        DeleteText {
+            text: text.into(),
+            preserve_space: true,
+        }
+    }
+}
+
+impl BuildXML for DeleteText {
+    fn build(&self) -> Vec<u8> {
+        XMLBuilder::new().delete_text(&self.text, true).build()
+    }
+}
+
+#[cfg(test)]
+mod tests {
+
+    use super::*;
+    #[cfg(test)]
+    use pretty_assertions::assert_eq;
+    use std::str;
+
+    #[test]
+    fn test_build() {
+        let b = DeleteText::new("Hello").build();
+        assert_eq!(
+            str::from_utf8(&b).unwrap(),
+            r#"<w:delText xml:space="preserve">Hello</w:delText>"#
+        );
+    }
+}
diff --git a/docx-core/src/documents/elements/insert.rs b/docx-core/src/documents/elements/insert.rs
new file mode 100644
index 0000000..5cba8df
--- /dev/null
+++ b/docx-core/src/documents/elements/insert.rs
@@ -0,0 +1,60 @@
+use crate::documents::{BuildXML, HistoryId, Run};
+use crate::xml_builder::*;
+
+#[derive(Debug, Clone)]
+pub struct Insert<'a> {
+    author: &'a str,
+    date: &'a str,
+    run: Run,
+}
+
+impl<'a> Default for Insert<'a> {
+    fn default() -> Insert<'a> {
+        Insert {
+            author: "unnamed",
+            date: "1970-01-01T00:00:00Z",
+            run: Run::new(),
+        }
+    }
+}
+
+impl<'a> Insert<'a> {
+    pub fn new() -> Insert<'a> {
+        Default::default()
+    }
+
+    pub fn run(mut self, run: Run) -> Insert<'a> {
+        self.run = run;
+        self
+    }
+}
+
+impl<'a> HistoryId for Insert<'a> {}
+
+impl<'a> BuildXML for Insert<'a> {
+    fn build(&self) -> Vec<u8> {
+        XMLBuilder::new()
+            .open_insert(&self.generate(), self.author, self.date)
+            .add_child(&self.run)
+            .close()
+            .build()
+    }
+}
+
+#[cfg(test)]
+mod tests {
+
+    use super::*;
+    #[cfg(test)]
+    use pretty_assertions::assert_eq;
+    use std::str;
+
+    #[test]
+    fn test_ins_default() {
+        let b = Insert::new().build();
+        assert_eq!(
+            str::from_utf8(&b).unwrap(),
+            r#"<w:ins w:id="123" w:author="unnamed" w:data="1970-01-01T00:00:00Z"><w:r><w:rPr /></w:r></w:ins>"#
+        );
+    }
+}
diff --git a/docx-core/src/documents/elements/mod.rs b/docx-core/src/documents/elements/mod.rs
index 489ce4e..51e05cd 100644
--- a/docx-core/src/documents/elements/mod.rs
+++ b/docx-core/src/documents/elements/mod.rs
@@ -4,11 +4,14 @@ mod bold_cs;
 mod br;
 mod color;
 mod default_tab_stop;
+mod delete;
+mod delete_text;
 mod doc_defaults;
 mod font;
 mod grid_span;
 mod highlight;
 mod indent;
+mod insert;
 mod italic;
 mod italic_cs;
 mod justification;
@@ -48,11 +51,14 @@ pub use bold_cs::*;
 pub use br::*;
 pub use color::*;
 pub use default_tab_stop::*;
+pub use delete::*;
+pub use delete_text::*;
 pub use doc_defaults::*;
 pub use font::*;
 pub use grid_span::*;
 pub use highlight::*;
 pub use indent::*;
+pub use insert::*;
 pub use italic::*;
 pub use italic_cs::*;
 pub use justification::*;
diff --git a/docx-core/src/documents/elements/paragraph.rs b/docx-core/src/documents/elements/paragraph.rs
index 5589ee5..9fcf45c 100644
--- a/docx-core/src/documents/elements/paragraph.rs
+++ b/docx-core/src/documents/elements/paragraph.rs
@@ -1,67 +1,98 @@
-use super::{ParagraphProperty, Run};
+use super::{Delete, Insert, ParagraphProperty, Run};
 use crate::documents::BuildXML;
 use crate::types::*;
 use crate::xml_builder::*;
 
 #[derive(Debug, Clone)]
-pub struct Paragraph {
-    runs: Vec<Run>,
+pub struct Paragraph<'a> {
+    children: Vec<ParagraphChild<'a>>,
     property: ParagraphProperty,
     attrs: Vec<(String, String)>,
 }
 
-impl Default for Paragraph {
+impl<'a> Default for Paragraph<'a> {
     fn default() -> Self {
         Self {
-            runs: Vec::new(),
+            children: Vec::new(),
             property: ParagraphProperty::new(),
             attrs: Vec::new(),
         }
     }
 }
 
-impl Paragraph {
-    pub fn new() -> Paragraph {
+#[derive(Debug, Clone)]
+pub enum ParagraphChild<'a> {
+    Run(Run),
+    Insert(Insert<'a>),
+    Delete(Delete<'a>),
+}
+
+impl<'a> BuildXML for ParagraphChild<'a> {
+    fn build(&self) -> Vec<u8> {
+        match self {
+            ParagraphChild::Run(v) => v.build(),
+            ParagraphChild::Insert(v) => v.build(),
+            ParagraphChild::Delete(v) => v.build(),
+        }
+    }
+}
+
+impl<'a> Paragraph<'a> {
+    pub fn new() -> Paragraph<'a> {
         Default::default()
     }
 
-    pub fn add_run(mut self, run: Run) -> Paragraph {
-        self.runs.push(run);
+    pub fn add_run(mut self, run: Run) -> Paragraph<'a> {
+        self.children.push(ParagraphChild::Run(run));
         self
     }
 
-    pub fn add_attr(mut self, key: impl Into<String>, val: impl Into<String>) -> Paragraph {
+    pub fn add_insert(mut self, insert: Insert<'a>) -> Paragraph<'a> {
+        self.children.push(ParagraphChild::Insert(insert));
+        self
+    }
+
+    pub fn add_delete(mut self, delete: Delete<'a>) -> Paragraph<'a> {
+        self.children.push(ParagraphChild::Delete(delete));
+        self
+    }
+
+    pub fn add_attr(mut self, key: impl Into<String>, val: impl Into<String>) -> Paragraph<'a> {
         self.attrs.push((key.into(), val.into()));
         self
     }
 
-    pub fn align(mut self, alignment_type: AlignmentType) -> Paragraph {
+    pub fn align(mut self, alignment_type: AlignmentType) -> Paragraph<'a> {
         self.property = self.property.align(alignment_type);
         self
     }
 
-    pub fn size(mut self, size: usize) -> Paragraph {
-        self.runs = self.runs.into_iter().map(|r| r.size(size)).collect();
-        self
-    }
+    // pub fn size(mut self, size: usize) -> Paragraph<'a> {
+    //     self.children = self.children.into_iter().map(|r| r.size(size)).collect();
+    //     self
+    // }
 
-    pub fn style(mut self, style_id: &str) -> Paragraph {
+    pub fn style(mut self, style_id: &str) -> Paragraph<'a> {
         self.property = self.property.style(style_id);
         self
     }
 
-    pub fn indent(mut self, left: usize, special_indent: Option<SpecialIndentType>) -> Paragraph {
+    pub fn indent(
+        mut self,
+        left: usize,
+        special_indent: Option<SpecialIndentType>,
+    ) -> Paragraph<'a> {
         self.property = self.property.indent(left, special_indent);
         self
     }
 }
 
-impl BuildXML for Paragraph {
+impl<'a> BuildXML for Paragraph<'a> {
     fn build(&self) -> Vec<u8> {
         XMLBuilder::new()
             .open_paragraph(&self.attrs)
             .add_child(&self.property)
-            .add_children(&self.runs)
+            .add_children(&self.children)
             .close()
             .build()
     }
@@ -86,18 +117,6 @@ mod tests {
         );
     }
 
-    #[test]
-    fn test_paragraph_size() {
-        let b = Paragraph::new()
-            .add_run(Run::new().add_text("Hello"))
-            .size(60)
-            .build();
-        assert_eq!(
-            str::from_utf8(&b).unwrap(),
-            r#"<w:p><w:pPr><w:pStyle w:val="Normal" /><w:rPr /></w:pPr><w:r><w:rPr><w:sz w:val="60" /><w:szCs w:val="60" /></w:rPr><w:t xml:space="preserve">Hello</w:t></w:r></w:p>"#
-        );
-    }
-
     #[test]
     fn test_custom_attr() {
         let b = Paragraph::new()
diff --git a/docx-core/src/documents/elements/run.rs b/docx-core/src/documents/elements/run.rs
index 08a1bad..dc7a58a 100644
--- a/docx-core/src/documents/elements/run.rs
+++ b/docx-core/src/documents/elements/run.rs
@@ -1,4 +1,4 @@
-use super::{Break, RunProperty, Tab, Text};
+use super::{Break, DeleteText, RunProperty, Tab, Text};
 use crate::documents::BuildXML;
 use crate::types::BreakType;
 use crate::xml_builder::*;
@@ -22,6 +22,7 @@ impl Default for Run {
 #[derive(Debug, Clone)]
 pub enum RunChild {
     Text(Text),
+    DeleteText(DeleteText),
     Tab(Tab),
     Break(Break),
 }
@@ -38,6 +39,11 @@ impl Run {
         self
     }
 
+    pub fn add_delete_text(mut self, text: &str) -> Run {
+        self.children.push(RunChild::Text(Text::new(text)));
+        self
+    }
+
     pub fn add_tab(mut self) -> Run {
         self.children.push(RunChild::Tab(Tab::new()));
         self
@@ -81,6 +87,7 @@ impl BuildXML for Run {
         for c in &self.children {
             match c {
                 RunChild::Text(t) => b = b.add_child(t),
+                RunChild::DeleteText(t) => b = b.add_child(t),
                 RunChild::Tab(t) => b = b.add_child(t),
                 RunChild::Break(t) => b = b.add_child(t),
             }
diff --git a/docx-core/src/documents/elements/table.rs b/docx-core/src/documents/elements/table.rs
index 2ea2123..697fd4a 100644
--- a/docx-core/src/documents/elements/table.rs
+++ b/docx-core/src/documents/elements/table.rs
@@ -3,14 +3,14 @@ use crate::documents::BuildXML;
 use crate::xml_builder::*;
 
 #[derive(Debug, Clone)]
-pub struct Table {
+pub struct Table<'a> {
     property: TableProperty,
-    rows: Vec<TableRow>,
+    rows: Vec<TableRow<'a>>,
     grid: Vec<usize>,
 }
 
-impl Table {
-    pub fn new(rows: Vec<TableRow>) -> Table {
+impl<'a> Table<'a> {
+    pub fn new(rows: Vec<TableRow<'a>>) -> Table<'a> {
         let property = TableProperty::new();
         let grid = vec![];
         Self {
@@ -20,13 +20,13 @@ impl Table {
         }
     }
 
-    pub fn set_grid(mut self, grid: Vec<usize>) -> Table {
+    pub fn set_grid(mut self, grid: Vec<usize>) -> Table<'a> {
         self.grid = grid;
         self
     }
 }
 
-impl BuildXML for Table {
+impl<'a> BuildXML for Table<'a> {
     fn build(&self) -> Vec<u8> {
         let grid = TableGrid::new(self.grid.clone());
         let b = XMLBuilder::new()
diff --git a/docx-core/src/documents/elements/table_cell.rs b/docx-core/src/documents/elements/table_cell.rs
index b580a95..2b98f13 100644
--- a/docx-core/src/documents/elements/table_cell.rs
+++ b/docx-core/src/documents/elements/table_cell.rs
@@ -4,40 +4,40 @@ use crate::types::*;
 use crate::xml_builder::*;
 
 #[derive(Debug, Clone)]
-pub struct TableCell {
+pub struct TableCell<'a> {
     property: TableCellProperty,
-    contents: Vec<TableCellContent>,
+    contents: Vec<TableCellContent<'a>>,
 }
 
 #[derive(Debug, Clone)]
-pub enum TableCellContent {
-    Paragraph(Paragraph),
+pub enum TableCellContent<'a> {
+    Paragraph(Paragraph<'a>),
 }
 
-impl TableCell {
-    pub fn new() -> TableCell {
+impl<'a> TableCell<'a> {
+    pub fn new() -> TableCell<'a> {
         let property = TableCellProperty::new();
         let contents = vec![];
         Self { property, contents }
     }
 
-    pub fn add_paragraph(mut self, p: Paragraph) -> TableCell {
+    pub fn add_paragraph(mut self, p: Paragraph<'a>) -> TableCell<'a> {
         self.contents.push(TableCellContent::Paragraph(p));
         self
     }
 
-    pub fn vertical_merge(mut self, t: VMergeType) -> TableCell {
+    pub fn vertical_merge(mut self, t: VMergeType) -> TableCell<'a> {
         self.property = self.property.vertical_merge(t);
         self
     }
 
-    pub fn grid_span(mut self, v: usize) -> TableCell {
+    pub fn grid_span(mut self, v: usize) -> TableCell<'a> {
         self.property = self.property.grid_span(v);
         self
     }
 }
 
-impl BuildXML for TableCell {
+impl<'a> BuildXML for TableCell<'a> {
     fn build(&self) -> Vec<u8> {
         let b = XMLBuilder::new();
         let mut b = b.open_table_cell().add_child(&self.property);
diff --git a/docx-core/src/documents/elements/table_row.rs b/docx-core/src/documents/elements/table_row.rs
index a525174..bd30478 100644
--- a/docx-core/src/documents/elements/table_row.rs
+++ b/docx-core/src/documents/elements/table_row.rs
@@ -3,19 +3,19 @@ use crate::documents::BuildXML;
 use crate::xml_builder::*;
 
 #[derive(Debug, Clone)]
-pub struct TableRow {
+pub struct TableRow<'a> {
     property: TableRowProperty,
-    cells: Vec<TableCell>,
+    cells: Vec<TableCell<'a>>,
 }
 
-impl TableRow {
-    pub fn new(cells: Vec<TableCell>) -> TableRow {
+impl<'a> TableRow<'a> {
+    pub fn new(cells: Vec<TableCell<'a>>) -> TableRow<'a> {
         let property = TableRowProperty::new();
         Self { property, cells }
     }
 }
 
-impl BuildXML for TableRow {
+impl<'a> BuildXML for TableRow<'a> {
     fn build(&self) -> Vec<u8> {
         let b = XMLBuilder::new()
             .open_table_row()
diff --git a/docx-core/src/documents/history_id.rs b/docx-core/src/documents/history_id.rs
new file mode 100644
index 0000000..a025ffb
--- /dev/null
+++ b/docx-core/src/documents/history_id.rs
@@ -0,0 +1,21 @@
+#[allow(unused)]
+use std::sync::atomic::{AtomicUsize, Ordering};
+
+#[allow(dead_code)]
+static HISTORY_ID: AtomicUsize = AtomicUsize::new(0);
+
+#[cfg(not(test))]
+pub trait HistoryId {
+    fn generate(&self) -> String {
+        let id = HISTORY_ID.load(Ordering::Relaxed);
+        HISTORY_ID.store(id + 1, Ordering::Relaxed);
+        format!("{}", id)
+    }
+}
+
+#[cfg(test)]
+pub trait HistoryId {
+    fn generate(&self) -> &str {
+        "123"
+    }
+}
diff --git a/docx-core/src/documents/mod.rs b/docx-core/src/documents/mod.rs
index 03be5b3..421ff86 100644
--- a/docx-core/src/documents/mod.rs
+++ b/docx-core/src/documents/mod.rs
@@ -5,12 +5,14 @@ mod document;
 mod document_rels;
 mod elements;
 mod font_table;
+mod history_id;
 mod rels;
 mod settings;
 mod styles;
 mod xml_docx;
 
-pub(crate) use build_xml::*;
+pub(crate) use build_xml::BuildXML;
+pub(crate) use history_id::HistoryId;
 
 pub use content_types::*;
 pub use doc_props::*;
@@ -30,7 +32,7 @@ pub struct Docx<'a> {
     document_rels: DocumentRels,
     doc_props: DocProps<'a>,
     styles: Styles,
-    document: Document,
+    document: Document<'a>,
     settings: Settings,
     font_table: FontTable,
 }
@@ -63,12 +65,12 @@ impl<'a> Docx<'a> {
         Default::default()
     }
 
-    pub fn add_paragraph(mut self, p: Paragraph) -> Docx<'a> {
+    pub fn add_paragraph(mut self, p: Paragraph<'a>) -> Docx<'a> {
         self.document = self.document.add_paragraph(p);
         self
     }
 
-    pub fn add_table(mut self, t: Table) -> Docx<'a> {
+    pub fn add_table(mut self, t: Table<'a>) -> Docx<'a> {
         self.document = self.document.add_table(t);
         self
     }
diff --git a/docx-core/src/xml_builder/elements.rs b/docx-core/src/xml_builder/elements.rs
index 32ae686..74518a4 100644
--- a/docx-core/src/xml_builder/elements.rs
+++ b/docx-core/src/xml_builder/elements.rs
@@ -22,6 +22,19 @@ impl XMLBuilder {
         self.writer.write(text).expect(EXPECT_MESSAGE);
         self.close()
     }
+    // i.e. <w:delText ... >
+    pub(crate) fn delete_text(mut self, text: &str, preserve_space: bool) -> Self {
+        let space = if preserve_space {
+            "preserve"
+        } else {
+            "default"
+        };
+        self.writer
+            .write(XmlEvent::start_element("w:delText").attr("xml:space", space))
+            .expect(EXPECT_MESSAGE);
+        self.writer.write(text).expect(EXPECT_MESSAGE);
+        self.close()
+    }
     // i.e. <w:r ... >
     opened_el!(open_run, "w:r");
     opened_el!(open_run_property, "w:rPr");
@@ -148,6 +161,9 @@ impl XMLBuilder {
         "w:bottom",
         "w:gutter"
     );
+
+    opened_el!(open_insert, "w:ins", "w:id", "w:author", "w:data");
+    opened_el!(open_delete, "w:del", "w:id", "w:author", "w:data");
 }
 
 #[cfg(test)]
diff --git a/docx-core/tests/lib.rs b/docx-core/tests/lib.rs
index c8372b7..73eb01d 100644
--- a/docx-core/tests/lib.rs
+++ b/docx-core/tests/lib.rs
@@ -47,11 +47,7 @@ pub fn size() -> Result<(), DocxError> {
   let path = std::path::Path::new("./tests/output/size.docx");
   let file = std::fs::File::create(&path).unwrap();
   Docx::new()
-    .add_paragraph(
-      Paragraph::new()
-        .add_run(Run::new().add_text("Hello"))
-        .size(60),
-    )
+    .add_paragraph(Paragraph::new().add_run(Run::new().add_text("Hello").size(60)))
     .add_paragraph(
       Paragraph::new()
         .add_run(Run::new().add_text(" Wor").size(50))
@@ -219,3 +215,18 @@ pub fn custom_attr_paragraph() -> Result<(), DocxError> {
     .pack(file)?;
   Ok(())
 }
+
+#[test]
+pub fn history() -> Result<(), DocxError> {
+  let path = std::path::Path::new("./tests/output/history.docx");
+  let file = std::fs::File::create(&path).unwrap();
+  Docx::new()
+    .add_paragraph(
+      Paragraph::new()
+        .add_insert(Insert::new().run(Run::new().add_text("Hello")))
+        .add_delete(Delete::new().run(Run::new().add_delete_text("World"))),
+    )
+    .build()
+    .pack(file)?;
+  Ok(())
+}
diff --git a/fixtures/history_libre_office/[Content_Types].xml b/fixtures/history_libre_office/[Content_Types].xml
new file mode 100644
index 0000000..dc111cb
--- /dev/null
+++ b/fixtures/history_libre_office/[Content_Types].xml
@@ -0,0 +1,3 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<Types xmlns="http://schemas.openxmlformats.org/package/2006/content-types"><Override PartName="/_rels/.rels" ContentType="application/vnd.openxmlformats-package.relationships+xml"/><Override PartName="/docProps/app.xml" ContentType="application/vnd.openxmlformats-officedocument.extended-properties+xml"/><Override PartName="/docProps/core.xml" ContentType="application/vnd.openxmlformats-package.core-properties+xml"/><Override PartName="/word/_rels/document.xml.rels" ContentType="application/vnd.openxmlformats-package.relationships+xml"/><Override PartName="/word/settings.xml" ContentType="application/vnd.openxmlformats-officedocument.wordprocessingml.settings+xml"/><Override PartName="/word/fontTable.xml" ContentType="application/vnd.openxmlformats-officedocument.wordprocessingml.fontTable+xml"/><Override PartName="/word/document.xml" ContentType="application/vnd.openxmlformats-officedocument.wordprocessingml.document.main+xml"/><Override PartName="/word/styles.xml" ContentType="application/vnd.openxmlformats-officedocument.wordprocessingml.styles+xml"/>
+</Types>
\ No newline at end of file
diff --git a/fixtures/history_libre_office/_rels/.rels b/fixtures/history_libre_office/_rels/.rels
new file mode 100644
index 0000000..f0b72e7
--- /dev/null
+++ b/fixtures/history_libre_office/_rels/.rels
@@ -0,0 +1,3 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<Relationships xmlns="http://schemas.openxmlformats.org/package/2006/relationships"><Relationship Id="rId1" Type="http://schemas.openxmlformats.org/package/2006/relationships/metadata/core-properties" Target="docProps/core.xml"/><Relationship Id="rId2" Type="http://schemas.openxmlformats.org/officeDocument/2006/relationships/extended-properties" Target="docProps/app.xml"/><Relationship Id="rId3" Type="http://schemas.openxmlformats.org/officeDocument/2006/relationships/officeDocument" Target="word/document.xml"/>
+</Relationships>
\ No newline at end of file
diff --git a/fixtures/history_libre_office/docProps/app.xml b/fixtures/history_libre_office/docProps/app.xml
new file mode 100644
index 0000000..d248599
--- /dev/null
+++ b/fixtures/history_libre_office/docProps/app.xml
@@ -0,0 +1,2 @@
+<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
+<Properties xmlns="http://schemas.openxmlformats.org/officeDocument/2006/extended-properties" xmlns:vt="http://schemas.openxmlformats.org/officeDocument/2006/docPropsVTypes"><Template></Template><TotalTime>6</TotalTime><Application>LibreOffice/6.0.7.3$Linux_X86_64 LibreOffice_project/00m0$Build-3</Application><Pages>1</Pages><Words>1</Words><Characters>5</Characters><CharactersWithSpaces>5</CharactersWithSpaces><Paragraphs>1</Paragraphs></Properties>
\ No newline at end of file
diff --git a/fixtures/history_libre_office/docProps/core.xml b/fixtures/history_libre_office/docProps/core.xml
new file mode 100644
index 0000000..dbc6cf3
--- /dev/null
+++ b/fixtures/history_libre_office/docProps/core.xml
@@ -0,0 +1,2 @@
+<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
+<cp:coreProperties xmlns:cp="http://schemas.openxmlformats.org/package/2006/metadata/core-properties" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:dcterms="http://purl.org/dc/terms/" xmlns:dcmitype="http://purl.org/dc/dcmitype/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"><dcterms:created xsi:type="dcterms:W3CDTF">2019-11-15T14:17:59Z</dcterms:created><dc:creator></dc:creator><dc:description></dc:description><dc:language>ja-JP</dc:language><cp:lastModifiedBy></cp:lastModifiedBy><dcterms:modified xsi:type="dcterms:W3CDTF">2019-11-15T14:46:47Z</dcterms:modified><cp:revision>6</cp:revision><dc:subject></dc:subject><dc:title></dc:title></cp:coreProperties>
\ No newline at end of file
diff --git a/fixtures/history_libre_office/history.docx b/fixtures/history_libre_office/history.docx
new file mode 100644
index 0000000..106fbce
Binary files /dev/null and b/fixtures/history_libre_office/history.docx differ
diff --git a/fixtures/history_libre_office/word/_rels/document.xml.rels b/fixtures/history_libre_office/word/_rels/document.xml.rels
new file mode 100644
index 0000000..8a2db8a
--- /dev/null
+++ b/fixtures/history_libre_office/word/_rels/document.xml.rels
@@ -0,0 +1,3 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<Relationships xmlns="http://schemas.openxmlformats.org/package/2006/relationships"><Relationship Id="rId1" Type="http://schemas.openxmlformats.org/officeDocument/2006/relationships/styles" Target="styles.xml"/><Relationship Id="rId2" Type="http://schemas.openxmlformats.org/officeDocument/2006/relationships/fontTable" Target="fontTable.xml"/><Relationship Id="rId3" Type="http://schemas.openxmlformats.org/officeDocument/2006/relationships/settings" Target="settings.xml"/>
+</Relationships>
\ No newline at end of file
diff --git a/fixtures/history_libre_office/word/document.xml b/fixtures/history_libre_office/word/document.xml
new file mode 100644
index 0000000..8c2b701
--- /dev/null
+++ b/fixtures/history_libre_office/word/document.xml
@@ -0,0 +1,54 @@
+<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
+<w:document xmlns:o="urn:schemas-microsoft-com:office:office" 
+    xmlns:r="http://schemas.openxmlformats.org/officeDocument/2006/relationships" 
+    xmlns:v="urn:schemas-microsoft-com:vml" 
+    xmlns:w="http://schemas.openxmlformats.org/wordprocessingml/2006/main" 
+    xmlns:w10="urn:schemas-microsoft-com:office:word" 
+    xmlns:wp="http://schemas.openxmlformats.org/drawingml/2006/wordprocessingDrawing" 
+    xmlns:wps="http://schemas.microsoft.com/office/word/2010/wordprocessingShape" 
+    xmlns:wpg="http://schemas.microsoft.com/office/word/2010/wordprocessingGroup" 
+    xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006" 
+    xmlns:wp14="http://schemas.microsoft.com/office/word/2010/wordprocessingDrawing" 
+    xmlns:w14="http://schemas.microsoft.com/office/word/2010/wordml" mc:Ignorable="w14 wp14">
+    <w:body>
+        <w:p>
+            <w:pPr>
+                <w:pStyle w:val="Normal"/>
+                <w:rPr></w:rPr>
+            </w:pPr>
+            <w:ins w:id="0" w:author="不明な作成者" w:date="2019-11-15T14:19:04Z">
+                <w:r>
+                    <w:rPr></w:rPr>
+                    <w:t>W</w:t>
+                </w:r>
+            </w:ins>
+            <w:ins w:id="1" w:author="不明な作成者" w:date="2019-11-15T14:19:04Z">
+                <w:r>
+                    <w:rPr></w:rPr>
+                    <w:t>a</w:t>
+                </w:r>
+            </w:ins>
+            <w:ins w:id="2" w:author="不明な作成者" w:date="2019-11-15T14:19:04Z">
+                <w:r>
+                    <w:rPr></w:rPr>
+                    <w:t>rld</w:t>
+                </w:r>
+            </w:ins>
+            <w:del w:id="3" w:author="不明な作成者" w:date="2019-11-15T14:19:04Z">
+                <w:r>
+                    <w:rPr></w:rPr>
+                    <w:delText xml:space="preserve">Hello </w:delText>
+                </w:r>
+            </w:del>
+        </w:p>
+        <w:sectPr>
+            <w:type w:val="nextPage"/>
+            <w:pgSz w:w="11906" w:h="16838"/>
+            <w:pgMar w:left="1134" w:right="1134" w:header="0" w:top="1134" w:footer="0" w:bottom="1134" w:gutter="0"/>
+            <w:pgNumType w:fmt="decimal"/>
+            <w:formProt w:val="false"/>
+            <w:textDirection w:val="lrTb"/>
+            <w:docGrid w:type="default" w:linePitch="100" w:charSpace="0"/>
+        </w:sectPr>
+    </w:body>
+</w:document>
\ No newline at end of file
diff --git a/fixtures/history_libre_office/word/fontTable.xml b/fixtures/history_libre_office/word/fontTable.xml
new file mode 100644
index 0000000..3916a0e
--- /dev/null
+++ b/fixtures/history_libre_office/word/fontTable.xml
@@ -0,0 +1,2 @@
+<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
+<w:fonts xmlns:w="http://schemas.openxmlformats.org/wordprocessingml/2006/main" xmlns:r="http://schemas.openxmlformats.org/officeDocument/2006/relationships"><w:font w:name="Times New Roman"><w:charset w:val="00"/><w:family w:val="roman"/><w:pitch w:val="variable"/></w:font><w:font w:name="Symbol"><w:charset w:val="02"/><w:family w:val="roman"/><w:pitch w:val="variable"/></w:font><w:font w:name="Arial"><w:charset w:val="00"/><w:family w:val="swiss"/><w:pitch w:val="variable"/></w:font><w:font w:name="Liberation Serif"><w:altName w:val="Times New Roman"/><w:charset w:val="01"/><w:family w:val="roman"/><w:pitch w:val="variable"/></w:font><w:font w:name="Liberation Sans"><w:altName w:val="Arial"/><w:charset w:val="01"/><w:family w:val="roman"/><w:pitch w:val="variable"/></w:font></w:fonts>
\ No newline at end of file
diff --git a/fixtures/history_libre_office/word/settings.xml b/fixtures/history_libre_office/word/settings.xml
new file mode 100644
index 0000000..ce04db3
--- /dev/null
+++ b/fixtures/history_libre_office/word/settings.xml
@@ -0,0 +1,2 @@
+<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
+<w:settings xmlns:w="http://schemas.openxmlformats.org/wordprocessingml/2006/main"><w:zoom w:percent="100"/><w:trackRevisions/><w:defaultTabStop w:val="709"/><w:compat><w:doNotExpandShiftReturn/></w:compat><w:compat></w:compat><w:themeFontLang w:val="" w:eastAsia="" w:bidi=""/></w:settings>
\ No newline at end of file
diff --git a/fixtures/history_libre_office/word/styles.xml b/fixtures/history_libre_office/word/styles.xml
new file mode 100644
index 0000000..1f8b301
--- /dev/null
+++ b/fixtures/history_libre_office/word/styles.xml
@@ -0,0 +1,2 @@
+<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
+<w:styles xmlns:w="http://schemas.openxmlformats.org/wordprocessingml/2006/main" xmlns:w14="http://schemas.microsoft.com/office/word/2010/wordml" xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006" mc:Ignorable="w14"><w:docDefaults><w:rPrDefault><w:rPr><w:rFonts w:ascii="Liberation Serif" w:hAnsi="Liberation Serif" w:eastAsia="Noto Sans CJK JP" w:cs="Lohit Devanagari"/><w:kern w:val="2"/><w:sz w:val="20"/><w:szCs w:val="24"/><w:lang w:val="en-US" w:eastAsia="ja-JP" w:bidi="hi-IN"/></w:rPr></w:rPrDefault><w:pPrDefault><w:pPr></w:pPr></w:pPrDefault></w:docDefaults><w:style w:type="paragraph" w:styleId="Normal"><w:name w:val="Normal"/><w:qFormat/><w:pPr><w:widowControl/><w:bidi w:val="0"/><w:jc w:val="left"/></w:pPr><w:rPr><w:rFonts w:ascii="Liberation Serif" w:hAnsi="Liberation Serif" w:eastAsia="Noto Sans CJK JP" w:cs="Lohit Devanagari"/><w:color w:val="auto"/><w:kern w:val="2"/><w:sz w:val="24"/><w:szCs w:val="24"/><w:lang w:val="en-US" w:eastAsia="ja-JP" w:bidi="hi-IN"/></w:rPr></w:style><w:style w:type="paragraph" w:styleId="Style14"><w:name w:val="見出し"/><w:basedOn w:val="Normal"/><w:next w:val="Style15"/><w:qFormat/><w:pPr><w:keepNext w:val="true"/><w:spacing w:before="240" w:after="120"/></w:pPr><w:rPr><w:rFonts w:ascii="Liberation Sans" w:hAnsi="Liberation Sans" w:eastAsia="Noto Sans CJK JP" w:cs="Lohit Devanagari"/><w:sz w:val="28"/><w:szCs w:val="28"/></w:rPr></w:style><w:style w:type="paragraph" w:styleId="Style15"><w:name w:val="Body Text"/><w:basedOn w:val="Normal"/><w:pPr><w:spacing w:lineRule="auto" w:line="276" w:before="0" w:after="140"/></w:pPr><w:rPr></w:rPr></w:style><w:style w:type="paragraph" w:styleId="Style16"><w:name w:val="List"/><w:basedOn w:val="Style15"/><w:pPr></w:pPr><w:rPr><w:rFonts w:cs="Lohit Devanagari"/></w:rPr></w:style><w:style w:type="paragraph" w:styleId="Style17"><w:name w:val="Caption"/><w:basedOn w:val="Normal"/><w:qFormat/><w:pPr><w:suppressLineNumbers/><w:spacing w:before="120" w:after="120"/></w:pPr><w:rPr><w:rFonts w:cs="Lohit Devanagari"/><w:i/><w:iCs/><w:sz w:val="24"/><w:szCs w:val="24"/></w:rPr></w:style><w:style w:type="paragraph" w:styleId="Style18"><w:name w:val="索引"/><w:basedOn w:val="Normal"/><w:qFormat/><w:pPr><w:suppressLineNumbers/></w:pPr><w:rPr><w:rFonts w:cs="Lohit Devanagari"/></w:rPr></w:style></w:styles>
\ No newline at end of file