diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..201e88f
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,2 @@
+_edit
+
diff --git a/_build/html/.doctrees/arduino.doctree b/_build/html/.doctrees/arduino.doctree
index 4b9e4ea..a2d551b 100644
--- a/_build/html/.doctrees/arduino.doctree
+++ b/_build/html/.doctrees/arduino.doctree
Binary files differ
diff --git a/_build/html/.doctrees/conclusion.doctree b/_build/html/.doctrees/conclusion.doctree
index cbb0a66..3889205 100644
--- a/_build/html/.doctrees/conclusion.doctree
+++ b/_build/html/.doctrees/conclusion.doctree
Binary files differ
diff --git a/_build/html/.doctrees/environment.pickle b/_build/html/.doctrees/environment.pickle
index eac05b9..df8ac71 100644
--- a/_build/html/.doctrees/environment.pickle
+++ b/_build/html/.doctrees/environment.pickle
Binary files differ
diff --git a/_build/html/.doctrees/index.doctree b/_build/html/.doctrees/index.doctree
index 9640430..74e206a 100644
--- a/_build/html/.doctrees/index.doctree
+++ b/_build/html/.doctrees/index.doctree
Binary files differ
diff --git a/_build/html/_sources/arduino.rst.txt b/_build/html/_sources/arduino.rst.txt
index ed79824..40377c9 100644
--- a/_build/html/_sources/arduino.rst.txt
+++ b/_build/html/_sources/arduino.rst.txt
@@ -1,32 +1,33 @@
-.. _arduino:
-
-Arduino
-===================================
-
-Arduino.ino sample です。:ref:`sketch` に、ソースコードの例を示します。
-
-強調したい場合、**たとえば**
-ソースコード ``make`` は、このようになります。``$ hoge`` のようになります。
-
- :ref:`conclusion` が、結論への内部参照リンクになります。
-
-:ref:`conclusion` が、結論への内部参照リンクになります。
-
-.. literalinclude:: src/sketch_feb25a.ino
-  :caption: 
-  :name: sketch
-  :language: arduino
-  :emphasize-lines: 2
-
-
-..   :linenos:
-		    
-.. literalinclude:: src/factorytest.ino
-  :caption: 
-  :name: factorytest
-  :language: arduino
-  :emphasize-lines: 2
-  :lines: 1-10,20-30
-  :linenos:
-
-
+.. _arduino:
+
+Arduino
+===================================
+
+Arduino.ino sample です。:ref:`sketch` に、ソースコードの例を示します。
+
+強調したい場合、**たとえば**
+ソースコード ``make`` は、このようになります。``$ hoge`` のようになります。
+
+ :ref:`conclusion` が、結論への内部参照リンクになります。
+
+:ref:`conclusion` が、結論への内部参照リンクになります。
+
+.. literalinclude:: src/sketch_feb25a.ino
+  :caption: 
+  :name: sketch
+  :language: arduino
+  :emphasize-lines: 2
+
+
+..   :linenos:
+		    
+.. literalinclude:: src/factorytest.ino
+  :caption: 
+  :name: factorytest
+  :language: arduino
+  :emphasize-lines: 2
+  :lines: 1-10,20-30
+  :linenos:
+
+
+これらのソースコードは、ファイルから直接差し込むほうが、間違いは少ないと思われます。
diff --git a/_build/html/_sources/conclusion.rst.txt b/_build/html/_sources/conclusion.rst.txt
index 2967ff6..1be923c 100644
--- a/_build/html/_sources/conclusion.rst.txt
+++ b/_build/html/_sources/conclusion.rst.txt
@@ -1,17 +1,17 @@
-.. _conclusion:
-
-Conclusion
-===================================
-
-脚注の例です [#foot1]_ 。
-
-ここはConclusion です。:ref:`sketch` に、ソースコードの例を示します。
-
-:ref:`arduino` に、ソースコードがあります。
-
-:ref:`fig_ipconfig` が、画像へのリンクです。
-
-.. [#foot1] 脚注については、`ここのサイト <https://www.sphinx-doc.org/ja/master/usage/restructuredtext/basics.html#images>`_ を参考にしました。
-
-
-
+.. _conclusion:
+
+Conclusion
+===================================
+
+脚注の例です [#foot1]_ 。
+
+ここはConclusion です。:ref:`sketch` に、ソースコードの例を示します。
+
+:ref:`arduino` に、ソースコードがあります。
+
+:ref:`fig_ipconfig` が、画像へのリンクです。
+
+.. [#foot1] 脚注については、`ここのサイト <https://www.sphinx-doc.org/ja/master/usage/restructuredtext/basics.html#images>`_ を参考にしました。
+
+https://sphinx-users.jp/ が、いちばんよくまとまっている。
+
diff --git a/_build/html/_sources/index.rst.txt b/_build/html/_sources/index.rst.txt
index 4c18f2d..6c4cb08 100644
--- a/_build/html/_sources/index.rst.txt
+++ b/_build/html/_sources/index.rst.txt
@@ -1,24 +1,26 @@
-.. TestRTP documentation master file, created by
-   sphinx-quickstart on Thu Feb 25 13:06:03 2021.
-   You can adapt this file completely to your liking, but it should at least
-   contain the root `toctree` directive.
-
-Welcome to TestRTP's documentation!
-===================================
-
-.. toctree::
-   :maxdepth: 2
-   :caption: Contents:
-
-   intro
-   arduino
-   tutorial
-   conclusion
-
-
-Indices and tables
-==================
-
-* :ref:`genindex`
-* :ref:`modindex`
-* :ref:`search`
+.. TestRTP documentation master file, created by
+   sphinx-quickstart on Thu Feb 25 13:06:03 2021.
+   You can adapt this file completely to your liking, but it should at least
+   contain the root `toctree` directive.
+
+Welcome to TestRTP's documentation!
+===================================
+
+.. toctree::
+   :maxdepth: 2
+   :caption: Contents:
+
+   intro
+   arduino
+   tutorial
+   conclusion
+
+
+
+索引と検索
+==================
+
+* :ref:`genindex`
+* :ref:`search`
+
+.. * :ref:`modindex`
diff --git a/_build/html/arduino.html b/_build/html/arduino.html
index f731146..18f4ed7 100644
--- a/_build/html/arduino.html
+++ b/_build/html/arduino.html
@@ -235,6 +235,7 @@
 </pre></div>
 </td></tr></table></div>
 </div>
+<p>これらのソースコードは、ファイルから直接差し込むほうが、間違いは少ないと思われます。</p>
 </div>
 
 
diff --git a/_build/html/conclusion.html b/_build/html/conclusion.html
index b03b697..f2a0d34 100644
--- a/_build/html/conclusion.html
+++ b/_build/html/conclusion.html
@@ -179,6 +179,7 @@
 <tr><td class="label"><a class="fn-backref" href="#id2">[1]</a></td><td>脚注については、<a class="reference external" href="https://www.sphinx-doc.org/ja/master/usage/restructuredtext/basics.html#images">ここのサイト</a> を参考にしました。</td></tr>
 </tbody>
 </table>
+<p><a class="reference external" href="https://sphinx-users.jp/">https://sphinx-users.jp/</a> が、いちばんよくまとまっている。</p>
 </div>
 
 
diff --git a/_build/html/index.html b/_build/html/index.html
index bbfa440..cdc4769 100644
--- a/_build/html/index.html
+++ b/_build/html/index.html
@@ -186,11 +186,10 @@
 </ul>
 </div>
 </div>
-<div class="section" id="indices-and-tables">
-<h1>Indices and tables<a class="headerlink" href="#indices-and-tables" title="このヘッドラインへのパーマリンク">¶</a></h1>
+<div class="section" id="id1">
+<h1>索引と検索<a class="headerlink" href="#id1" title="このヘッドラインへのパーマリンク">¶</a></h1>
 <ul class="simple">
 <li><a class="reference internal" href="genindex.html"><span class="std std-ref">索引</span></a></li>
-<li><a class="reference internal" href="py-modindex.html"><span class="std std-ref">モジュール索引</span></a></li>
 <li><a class="reference internal" href="search.html"><span class="std std-ref">検索ページ</span></a></li>
 </ul>
 </div>
diff --git a/_build/html/searchindex.js b/_build/html/searchindex.js
index 1bf15a7..1f1f6e5 100644
--- a/_build/html/searchindex.js
+++ b/_build/html/searchindex.js
@@ -1 +1 @@
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diff --git a/arduino.rst b/arduino.rst
old mode 100644
new mode 100755
index ed79824..40377c9
--- a/arduino.rst
+++ b/arduino.rst
@@ -1,32 +1,33 @@
-.. _arduino:
-
-Arduino
-===================================
-
-Arduino.ino sample です。:ref:`sketch` に、ソースコードの例を示します。
-
-強調したい場合、**たとえば**
-ソースコード ``make`` は、このようになります。``$ hoge`` のようになります。
-
- :ref:`conclusion` が、結論への内部参照リンクになります。
-
-:ref:`conclusion` が、結論への内部参照リンクになります。
-
-.. literalinclude:: src/sketch_feb25a.ino
-  :caption: 
-  :name: sketch
-  :language: arduino
-  :emphasize-lines: 2
-
-
-..   :linenos:
-		    
-.. literalinclude:: src/factorytest.ino
-  :caption: 
-  :name: factorytest
-  :language: arduino
-  :emphasize-lines: 2
-  :lines: 1-10,20-30
-  :linenos:
-
-
+.. _arduino:
+
+Arduino
+===================================
+
+Arduino.ino sample です。:ref:`sketch` に、ソースコードの例を示します。
+
+強調したい場合、**たとえば**
+ソースコード ``make`` は、このようになります。``$ hoge`` のようになります。
+
+ :ref:`conclusion` が、結論への内部参照リンクになります。
+
+:ref:`conclusion` が、結論への内部参照リンクになります。
+
+.. literalinclude:: src/sketch_feb25a.ino
+  :caption: 
+  :name: sketch
+  :language: arduino
+  :emphasize-lines: 2
+
+
+..   :linenos:
+		    
+.. literalinclude:: src/factorytest.ino
+  :caption: 
+  :name: factorytest
+  :language: arduino
+  :emphasize-lines: 2
+  :lines: 1-10,20-30
+  :linenos:
+
+
+これらのソースコードは、ファイルから直接差し込むほうが、間違いは少ないと思われます。
diff --git a/conclusion.rst b/conclusion.rst
old mode 100644
new mode 100755
index 2967ff6..1be923c
--- a/conclusion.rst
+++ b/conclusion.rst
@@ -1,17 +1,17 @@
-.. _conclusion:
-
-Conclusion
-===================================
-
-脚注の例です [#foot1]_ 。
-
-ここはConclusion です。:ref:`sketch` に、ソースコードの例を示します。
-
-:ref:`arduino` に、ソースコードがあります。
-
-:ref:`fig_ipconfig` が、画像へのリンクです。
-
-.. [#foot1] 脚注については、`ここのサイト <https://www.sphinx-doc.org/ja/master/usage/restructuredtext/basics.html#images>`_ を参考にしました。
-
-
-
+.. _conclusion:
+
+Conclusion
+===================================
+
+脚注の例です [#foot1]_ 。
+
+ここはConclusion です。:ref:`sketch` に、ソースコードの例を示します。
+
+:ref:`arduino` に、ソースコードがあります。
+
+:ref:`fig_ipconfig` が、画像へのリンクです。
+
+.. [#foot1] 脚注については、`ここのサイト <https://www.sphinx-doc.org/ja/master/usage/restructuredtext/basics.html#images>`_ を参考にしました。
+
+https://sphinx-users.jp/ が、いちばんよくまとまっている。
+
diff --git a/index.rst b/index.rst
old mode 100644
new mode 100755
index 4c18f2d..6c4cb08
--- a/index.rst
+++ b/index.rst
@@ -1,24 +1,26 @@
-.. TestRTP documentation master file, created by
-   sphinx-quickstart on Thu Feb 25 13:06:03 2021.
-   You can adapt this file completely to your liking, but it should at least
-   contain the root `toctree` directive.
-
-Welcome to TestRTP's documentation!
-===================================
-
-.. toctree::
-   :maxdepth: 2
-   :caption: Contents:
-
-   intro
-   arduino
-   tutorial
-   conclusion
-
-
-Indices and tables
-==================
-
-* :ref:`genindex`
-* :ref:`modindex`
-* :ref:`search`
+.. TestRTP documentation master file, created by
+   sphinx-quickstart on Thu Feb 25 13:06:03 2021.
+   You can adapt this file completely to your liking, but it should at least
+   contain the root `toctree` directive.
+
+Welcome to TestRTP's documentation!
+===================================
+
+.. toctree::
+   :maxdepth: 2
+   :caption: Contents:
+
+   intro
+   arduino
+   tutorial
+   conclusion
+
+
+
+索引と検索
+==================
+
+* :ref:`genindex`
+* :ref:`search`
+
+.. * :ref:`modindex`
diff --git a/intro.rst b/intro.rst
old mode 100644
new mode 100755
diff --git a/tutorial.rst b/tutorial.rst
old mode 100644
new mode 100755