diff --git a/reference/array/functions/array-multisort.xml b/reference/array/functions/array-multisort.xml
index 2b43df6a0f..12b08fd32a 100644
--- a/reference/array/functions/array-multisort.xml
+++ b/reference/array/functions/array-multisort.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <!-- $Revision$ -->
-<!-- EN-Revision: 2e60c5134e7a847c99f81eb3f7ecee1f5efeeace Maintainer: hirokawa Status: ready -->
+<!-- EN-Revision: 5b7646656eb183ea568b8261d6d87a10a1b961c7 Maintainer: hirokawa Status: ready -->
 <!-- CREDITS: takagi,mumumu -->
 <refentry xml:id="function.array-multisort" xmlns="http://docbook.org/ns/docbook">
  <refnamediv>
@@ -10,7 +10,7 @@
  <refsect1 role="description">
   &reftitle.description;
   <methodsynopsis>
-   <type>bool</type><methodname>array_multisort</methodname>
+   <type>true</type><methodname>array_multisort</methodname>
    <methodparam><type>array</type><parameter role="reference">array1</parameter></methodparam>
    <methodparam choice="opt"><type>mixed</type><parameter>array1_sort_order</parameter><initializer>SORT_ASC</initializer></methodparam>
    <methodparam choice="opt"><type>mixed</type><parameter>array1_sort_flags</parameter><initializer>SORT_REGULAR</initializer></methodparam>
@@ -118,10 +118,32 @@
  <refsect1 role="returnvalues">
   &reftitle.returnvalues;
   <para>
-   &return.success;
+   &return.true.always;
   </para>
  </refsect1>
- 
+
+ <refsect1 role="changelog">
+  &reftitle.changelog;
+  <informaltable>
+   <tgroup cols="2">
+    <thead>
+     <row>
+      <entry>&Version;</entry>
+      <entry>&Description;</entry>
+     </row>
+    </thead>
+    <tbody>
+     <row>
+      <entry>8.5.0</entry>
+      <entry>
+       戻り値の型が、&true; になりました。これより前のバージョンでは、<type>bool</type> でした。
+      </entry>
+     </row>
+    </tbody>
+   </tgroup>
+  </informaltable>
+ </refsect1>
+
  <refsect1 role="examples">
   &reftitle.examples;
   <para>
diff --git a/reference/fileinfo/functions/finfo-close.xml b/reference/fileinfo/functions/finfo-close.xml
index 1c6d38e4e4..6851e454e9 100644
--- a/reference/fileinfo/functions/finfo-close.xml
+++ b/reference/fileinfo/functions/finfo-close.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <!-- $Revision$ -->
-<!-- EN-Revision: 82ddd2ec8ad195035dcb57dd8f97d27b83ddc126 Maintainer: takagi Status: ready -->
+<!-- EN-Revision: fcd9214294f88b05862a538c6dd94c7872420139 Maintainer: takagi Status: ready -->
 <refentry xmlns="http://docbook.org/ns/docbook" xml:id="function.finfo-close">
  <refnamediv>
   <refname>finfo_close</refname>
@@ -13,12 +13,14 @@
   &reftitle.description;
   <methodsynopsis>
    <modifier role="attribute">#[\Deprecated]</modifier>
-   <type>bool</type><methodname>finfo_close</methodname>
+   <type>true</type><methodname>finfo_close</methodname>
    <methodparam><type>finfo</type><parameter>finfo</parameter></methodparam>
   </methodsynopsis>
 
   <simpara>
-   この関数は、<function>finfo_open</function> がオープンしたインスタンスを閉じます。
+   この関数は、PHP 7.4 までは <function>finfo_open</function> がオープンしたインスタンスを閉じていましたが、
+   PHP 8.0 で <classname>finfo</classname> がリソースからオブジェクトに変換されて以降は何もしない関数（no-op）になっており、
+   PHP 8.5 で非推奨になりました。
   </simpara>
 
  </refsect1>
@@ -36,7 +38,7 @@
  <refsect1 role="returnvalues">
   &reftitle.returnvalues;
   <simpara>
-   &return.success;
+   &return.true.always;
   </simpara>
  </refsect1>
 
@@ -51,6 +53,24 @@
      </row>
     </thead>
     <tbody>
+     <row>
+      <entry>8.5.0</entry>
+      <entry>
+       この関数は非推奨になりました。
+      </entry>
+     </row>
+     <row>
+      <entry>8.5.0</entry>
+      <entry>
+       戻り値の型が、&true; になりました。これより前のバージョンでは、<type>bool</type> でした。
+      </entry>
+     </row>
+     <row>
+      <entry>8.1.0</entry>
+      <entry>
+       この関数は <acronym>NOP</acronym>（何もしない関数）になりました。
+      </entry>
+     </row>
      &fileinfo.changelog.finfo-object;
     </tbody>
    </tgroup>
diff --git a/reference/ftp/functions/ftp-set-option.xml b/reference/ftp/functions/ftp-set-option.xml
index e9ed7c9069..2ccbe1ce91 100644
--- a/reference/ftp/functions/ftp-set-option.xml
+++ b/reference/ftp/functions/ftp-set-option.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <!-- $Revision$ -->
-<!-- EN-Revision: 4d1c34c9b7a30cfc3a59641122c707a2812cfed7 Maintainer: hirokawa Status: ready -->
+<!-- EN-Revision: fcd9214294f88b05862a538c6dd94c7872420139 Maintainer: hirokawa Status: ready -->
 <!-- CREDITS: takagi,mumumu -->
 <refentry xml:id="function.ftp-set-option" xmlns="http://docbook.org/ns/docbook">
  <refnamediv>
@@ -10,7 +10,7 @@
  <refsect1 role="description">
   &reftitle.description;
   <methodsynopsis>
-   <type>bool</type><methodname>ftp_set_option</methodname>
+   <type>true</type><methodname>ftp_set_option</methodname>
    <methodparam><type>FTP\Connection</type><parameter>ftp</parameter></methodparam>
    <methodparam><type>int</type><parameter>option</parameter></methodparam>
    <methodparam><type class="union"><type>int</type><type>bool</type></type><parameter>value</parameter></methodparam>
@@ -84,13 +84,22 @@
    </variablelist>
   </para>
  </refsect1>
+
  <refsect1 role="returnvalues">
   &reftitle.returnvalues;
   <para>
-   オプションが設定できた場合に &true; 、そうでない場合に &false; を返します。
-   <parameter>option</parameter> がサポートされていなかった場合や
-   <parameter>option</parameter> が想定していない値を <parameter>value</parameter>
-   に渡した場合は警告メッセージが発生します。
+   &return.true.always;
+  </para>
+ </refsect1>
+
+ <refsect1 role="errors">
+  &reftitle.errors;
+  <para>
+   <parameter>option</parameter> がサポートされていない場合、
+   <exceptionname>ValueError</exceptionname> がスローされます。
+   渡された <parameter>value</parameter> が指定された <parameter>option</parameter>
+   に対して期待される型と一致しない場合、
+   <exceptionname>TypeError</exceptionname> がスローされます。
   </para>
  </refsect1>
 
@@ -105,6 +114,12 @@
      </row>
     </thead>
     <tbody>
+     <row>
+      <entry>8.5.0</entry>
+      <entry>
+       戻り値の型が、&true; になりました。これより前のバージョンでは、<type>bool</type> でした。
+      </entry>
+     </row>
      &ftp.changelog.ftp-param;
     </tbody>
    </tgroup>
diff --git a/reference/image/functions/imagealphablending.xml b/reference/image/functions/imagealphablending.xml
index b45691461e..36f1a6f354 100644
--- a/reference/image/functions/imagealphablending.xml
+++ b/reference/image/functions/imagealphablending.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <!-- $Revision$ -->
-<!-- EN-Revision: 9960a09a5705102bf4dd0ce63e03d9ec716d0015 Maintainer: hirokawa Status: ready -->
+<!-- EN-Revision: fcd9214294f88b05862a538c6dd94c7872420139 Maintainer: hirokawa Status: ready -->
 <!-- CREDITS: shimooka -->
 <refentry xml:id="function.imagealphablending" xmlns="http://docbook.org/ns/docbook">
  <refnamediv>
@@ -10,7 +10,7 @@
  <refsect1 role="description">
   &reftitle.description;
   <methodsynopsis>
-   <type>bool</type><methodname>imagealphablending</methodname>
+   <type>true</type><methodname>imagealphablending</methodname>
    <methodparam><type>GdImage</type><parameter>image</parameter></methodparam>
    <methodparam><type>bool</type><parameter>enable</parameter></methodparam>
   </methodsynopsis>
@@ -46,7 +46,7 @@
  <refsect1 role="returnvalues">
   &reftitle.returnvalues;
   <para>
-   &return.success;
+   &return.true.always;
   </para>
  </refsect1>
 
diff --git a/reference/image/functions/imageantialias.xml b/reference/image/functions/imageantialias.xml
index 1178ff6eb3..a44de09135 100644
--- a/reference/image/functions/imageantialias.xml
+++ b/reference/image/functions/imageantialias.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <!-- $Revision$ -->
-<!-- EN-Revision: 9960a09a5705102bf4dd0ce63e03d9ec716d0015 Maintainer: hirokawa Status: ready -->
+<!-- EN-Revision: fcd9214294f88b05862a538c6dd94c7872420139 Maintainer: hirokawa Status: ready -->
 <!-- CREDITS: shimooka,takagi,mumumu -->
 <refentry xml:id="function.imageantialias" xmlns="http://docbook.org/ns/docbook">
  <refnamediv>
@@ -10,7 +10,7 @@
  <refsect1 role="description">
   &reftitle.description;
   <methodsynopsis>
-   <type>bool</type><methodname>imageantialias</methodname>
+   <type>true</type><methodname>imageantialias</methodname>
    <methodparam><type>GdImage</type><parameter>image</parameter></methodparam>
    <methodparam><type>bool</type><parameter>enable</parameter></methodparam>
   </methodsynopsis>
@@ -48,7 +48,7 @@
  <refsect1 role="returnvalues">
   &reftitle.returnvalues;
   <para>
-   &return.success;
+   &return.true.always;
   </para>
  </refsect1>
 
diff --git a/reference/image/functions/imagearc.xml b/reference/image/functions/imagearc.xml
index ee659cb8ce..b0aee66c66 100644
--- a/reference/image/functions/imagearc.xml
+++ b/reference/image/functions/imagearc.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <!-- $Revision$ -->
-<!-- EN-Revision: 9960a09a5705102bf4dd0ce63e03d9ec716d0015 Maintainer: hirokawa Status: ready -->
+<!-- EN-Revision: fcd9214294f88b05862a538c6dd94c7872420139 Maintainer: hirokawa Status: ready -->
 <!-- CREDITS: shimooka,mumumu -->
 <refentry xml:id="function.imagearc" xmlns="http://docbook.org/ns/docbook">
  <refnamediv>
@@ -10,7 +10,7 @@
  <refsect1 role="description">
   &reftitle.description;
   <methodsynopsis>
-   <type>bool</type><methodname>imagearc</methodname>
+   <type>true</type><methodname>imagearc</methodname>
    <methodparam><type>GdImage</type><parameter>image</parameter></methodparam>
    <methodparam><type>int</type><parameter>center_x</parameter></methodparam>
    <methodparam><type>int</type><parameter>center_y</parameter></methodparam>
@@ -92,7 +92,7 @@
  <refsect1 role="returnvalues">
   &reftitle.returnvalues;
   <para>
-   &return.success;
+   &return.true.always;
   </para>
  </refsect1>
 
diff --git a/reference/image/functions/imagechar.xml b/reference/image/functions/imagechar.xml
index 6cab9d06f0..d973af5988 100644
--- a/reference/image/functions/imagechar.xml
+++ b/reference/image/functions/imagechar.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <!-- $Revision$ -->
-<!-- EN-Revision: a7e5e563d2d2269a6d7ccff506715a3e1a6f3902 Maintainer: hirokawa Status: ready -->
+<!-- EN-Revision: fcd9214294f88b05862a538c6dd94c7872420139 Maintainer: hirokawa Status: ready -->
 <!-- CREDITS: shimooka,mumumu -->
 <refentry xml:id="function.imagechar" xmlns="http://docbook.org/ns/docbook">
  <refnamediv>
@@ -10,7 +10,7 @@
  <refsect1 role="description">
   &reftitle.description;
   <methodsynopsis>
-   <type>bool</type><methodname>imagechar</methodname>
+   <type>true</type><methodname>imagechar</methodname>
    <methodparam><type>GdImage</type><parameter>image</parameter></methodparam>
    <methodparam><type class="union"><type>GdFont</type><type>int</type></type><parameter>font</parameter></methodparam>
    <methodparam><type>int</type><parameter>x</parameter></methodparam>
@@ -69,7 +69,7 @@
  <refsect1 role="returnvalues">
   &reftitle.returnvalues;
   <para>
-   &return.success;
+   &return.true.always;
   </para>
  </refsect1>
 
diff --git a/reference/image/functions/imagecharup.xml b/reference/image/functions/imagecharup.xml
index 9819fc01ef..61391fe7ec 100644
--- a/reference/image/functions/imagecharup.xml
+++ b/reference/image/functions/imagecharup.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <!-- $Revision$ -->
-<!-- EN-Revision: a7e5e563d2d2269a6d7ccff506715a3e1a6f3902 Maintainer: hirokawa Status: ready -->
+<!-- EN-Revision: fcd9214294f88b05862a538c6dd94c7872420139 Maintainer: hirokawa Status: ready -->
 <!-- CREDITS: shimooka,mumumu -->
 <refentry xml:id="function.imagecharup" xmlns="http://docbook.org/ns/docbook">
  <refnamediv>
@@ -10,7 +10,7 @@
  <refsect1 role="description">
   &reftitle.description;
   <methodsynopsis>
-   <type>bool</type><methodname>imagecharup</methodname>
+   <type>true</type><methodname>imagecharup</methodname>
    <methodparam><type>GdImage</type><parameter>image</parameter></methodparam>
    <methodparam><type class="union"><type>GdFont</type><type>int</type></type><parameter>font</parameter></methodparam>
    <methodparam><type>int</type><parameter>x</parameter></methodparam>
@@ -67,7 +67,7 @@
  <refsect1 role="returnvalues">
   &reftitle.returnvalues;
   <para>
-   &return.success;
+   &return.true.always;
   </para>
  </refsect1>
 
diff --git a/reference/image/functions/imagecolordeallocate.xml b/reference/image/functions/imagecolordeallocate.xml
index 85fbe3459f..b7509e26f6 100644
--- a/reference/image/functions/imagecolordeallocate.xml
+++ b/reference/image/functions/imagecolordeallocate.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <!-- $Revision$ -->
-<!-- EN-Revision: 593ea510e853ff034e03f78a4be0daa41661c9d4 Maintainer: hirokawa Status: ready -->
+<!-- EN-Revision: fcd9214294f88b05862a538c6dd94c7872420139 Maintainer: hirokawa Status: ready -->
 <!-- CREDITS: shimooka,mumumu -->
 <refentry xml:id="function.imagecolordeallocate" xmlns="http://docbook.org/ns/docbook">
  <refnamediv>
@@ -10,7 +10,7 @@
  <refsect1 role="description">
   &reftitle.description;
   <methodsynopsis>
-   <type>bool</type><methodname>imagecolordeallocate</methodname>
+   <type>true</type><methodname>imagecolordeallocate</methodname>
    <methodparam><type>GdImage</type><parameter>image</parameter></methodparam>
    <methodparam><type>int</type><parameter>color</parameter></methodparam>
   </methodsynopsis>
@@ -38,7 +38,7 @@
  <refsect1 role="returnvalues">
   &reftitle.returnvalues;
   <para>
-   &return.success;
+   &return.true.always;
   </para>
  </refsect1>
 
diff --git a/reference/image/functions/imagecolormatch.xml b/reference/image/functions/imagecolormatch.xml
index 0357774de3..b3b2016382 100644
--- a/reference/image/functions/imagecolormatch.xml
+++ b/reference/image/functions/imagecolormatch.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <!-- $Revision$ -->
-<!-- EN-Revision: 9960a09a5705102bf4dd0ce63e03d9ec716d0015 Maintainer: hirokawa Status: ready -->
+<!-- EN-Revision: fcd9214294f88b05862a538c6dd94c7872420139 Maintainer: hirokawa Status: ready -->
 <!-- CREDITS: shimooka,mumumu -->
 <refentry xml:id="function.imagecolormatch" xmlns="http://docbook.org/ns/docbook">
  <refnamediv>
@@ -10,7 +10,7 @@
  <refsect1 role="description">
   &reftitle.description;
   <methodsynopsis>
-   <type>bool</type><methodname>imagecolormatch</methodname>
+   <type>true</type><methodname>imagecolormatch</methodname>
    <methodparam><type>GdImage</type><parameter>image1</parameter></methodparam>
    <methodparam><type>GdImage</type><parameter>image2</parameter></methodparam>
   </methodsynopsis>
@@ -45,7 +45,7 @@
  <refsect1 role="returnvalues">
   &reftitle.returnvalues;
   <para>
-   &return.success;
+   &return.true.always;
   </para>
  </refsect1>
 
diff --git a/reference/image/functions/imagecopy.xml b/reference/image/functions/imagecopy.xml
index 524caec0e8..85776a3d2a 100644
--- a/reference/image/functions/imagecopy.xml
+++ b/reference/image/functions/imagecopy.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <!-- $Revision$ -->
-<!-- EN-Revision: 9960a09a5705102bf4dd0ce63e03d9ec716d0015 Maintainer: hirokawa Status: ready -->
+<!-- EN-Revision: fcd9214294f88b05862a538c6dd94c7872420139 Maintainer: hirokawa Status: ready -->
 <!-- CREDITS: shimooka,mumumu -->
 <refentry xml:id="function.imagecopy" xmlns="http://docbook.org/ns/docbook">
  <refnamediv>
@@ -10,7 +10,7 @@
  <refsect1 role="description">
   &reftitle.description;
   <methodsynopsis>
-   <type>bool</type><methodname>imagecopy</methodname>
+   <type>true</type><methodname>imagecopy</methodname>
    <methodparam><type>GdImage</type><parameter>dst_image</parameter></methodparam>
    <methodparam><type>GdImage</type><parameter>src_image</parameter></methodparam>
    <methodparam><type>int</type><parameter>dst_x</parameter></methodparam>
@@ -96,7 +96,7 @@
  <refsect1 role="returnvalues">
   &reftitle.returnvalues;
   <para>
-   &return.success;
+   &return.true.always;
   </para>
  </refsect1>
 
diff --git a/reference/image/functions/imagecopymerge.xml b/reference/image/functions/imagecopymerge.xml
index 145337d18e..237bbb5360 100644
--- a/reference/image/functions/imagecopymerge.xml
+++ b/reference/image/functions/imagecopymerge.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <!-- $Revision$ -->
-<!-- EN-Revision: 9960a09a5705102bf4dd0ce63e03d9ec716d0015 Maintainer: hirokawa Status: ready -->
+<!-- EN-Revision: fcd9214294f88b05862a538c6dd94c7872420139 Maintainer: hirokawa Status: ready -->
 <!-- CREDITS: shimooka -->
 <refentry xml:id="function.imagecopymerge" xmlns="http://docbook.org/ns/docbook">
  <refnamediv>
@@ -10,7 +10,7 @@
  <refsect1 role="description">
   &reftitle.description;
   <methodsynopsis>
-   <type>bool</type><methodname>imagecopymerge</methodname>
+   <type>true</type><methodname>imagecopymerge</methodname>
    <methodparam><type>GdImage</type><parameter>dst_image</parameter></methodparam>
    <methodparam><type>GdImage</type><parameter>src_image</parameter></methodparam>
    <methodparam><type>int</type><parameter>dst_x</parameter></methodparam>
@@ -111,7 +111,7 @@
  <refsect1 role="returnvalues">
   &reftitle.returnvalues;
   <para>
-   &return.success;
+   &return.true.always;
   </para>
  </refsect1>
 
diff --git a/reference/image/functions/imagecopymergegray.xml b/reference/image/functions/imagecopymergegray.xml
index 7f4ba4e17c..492e0dcf20 100644
--- a/reference/image/functions/imagecopymergegray.xml
+++ b/reference/image/functions/imagecopymergegray.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <!-- $Revision$ -->
-<!-- EN-Revision: 9960a09a5705102bf4dd0ce63e03d9ec716d0015 Maintainer: hirokawa Status: ready -->
+<!-- EN-Revision: fcd9214294f88b05862a538c6dd94c7872420139 Maintainer: hirokawa Status: ready -->
 <!-- CREDITS: shimooka -->
 <refentry xml:id="function.imagecopymergegray" xmlns="http://docbook.org/ns/docbook">
  <refnamediv>
@@ -10,7 +10,7 @@
  <refsect1 role="description">
   &reftitle.description;
   <methodsynopsis>
-   <type>bool</type><methodname>imagecopymergegray</methodname>
+   <type>true</type><methodname>imagecopymergegray</methodname>
    <methodparam><type>GdImage</type><parameter>dst_image</parameter></methodparam>
    <methodparam><type>GdImage</type><parameter>src_image</parameter></methodparam>
    <methodparam><type>int</type><parameter>dst_x</parameter></methodparam>
@@ -119,7 +119,7 @@
  <refsect1 role="returnvalues">
   &reftitle.returnvalues;
   <para>
-   &return.success;
+   &return.true.always;
   </para>
  </refsect1>
 
diff --git a/reference/image/functions/imagecopyresampled.xml b/reference/image/functions/imagecopyresampled.xml
index 8345ebe1bb..306332a672 100644
--- a/reference/image/functions/imagecopyresampled.xml
+++ b/reference/image/functions/imagecopyresampled.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <!-- $Revision$ -->
-<!-- EN-Revision: 593ea510e853ff034e03f78a4be0daa41661c9d4 Maintainer: hirokawa Status: ready -->
+<!-- EN-Revision: fcd9214294f88b05862a538c6dd94c7872420139 Maintainer: hirokawa Status: ready -->
 <!-- CREDITS: shimooka,mumumu -->
 <refentry xml:id="function.imagecopyresampled" xmlns="http://docbook.org/ns/docbook">
  <refnamediv>
@@ -10,7 +10,7 @@
  <refsect1 role="description">
   &reftitle.description;
   <methodsynopsis>
-   <type>bool</type><methodname>imagecopyresampled</methodname>
+   <type>true</type><methodname>imagecopyresampled</methodname>
    <methodparam><type>GdImage</type><parameter>dst_image</parameter></methodparam>
    <methodparam><type>GdImage</type><parameter>src_image</parameter></methodparam>
    <methodparam><type>int</type><parameter>dst_x</parameter></methodparam>
@@ -128,7 +128,7 @@
  <refsect1 role="returnvalues">
   &reftitle.returnvalues;
   <para>
-   &return.success;
+   &return.true.always;
   </para>
  </refsect1>
 
diff --git a/reference/image/functions/imagecopyresized.xml b/reference/image/functions/imagecopyresized.xml
index 045f8e2cbe..cc5a9e9cb9 100644
--- a/reference/image/functions/imagecopyresized.xml
+++ b/reference/image/functions/imagecopyresized.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <!-- $Revision$ -->
-<!-- EN-Revision: 593ea510e853ff034e03f78a4be0daa41661c9d4 Maintainer: hirokawa Status: ready -->
+<!-- EN-Revision: fcd9214294f88b05862a538c6dd94c7872420139 Maintainer: hirokawa Status: ready -->
 <!-- CREDITS: shimooka,mumumu -->
 <refentry xml:id="function.imagecopyresized" xmlns="http://docbook.org/ns/docbook">
  <refnamediv>
@@ -10,7 +10,7 @@
  <refsect1 role="description">
   &reftitle.description;
   <methodsynopsis>
-   <type>bool</type><methodname>imagecopyresized</methodname>
+   <type>true</type><methodname>imagecopyresized</methodname>
    <methodparam><type>GdImage</type><parameter>dst_image</parameter></methodparam>
    <methodparam><type>GdImage</type><parameter>src_image</parameter></methodparam>
    <methodparam><type>int</type><parameter>dst_x</parameter></methodparam>
@@ -129,7 +129,7 @@
  <refsect1 role="returnvalues">
   &reftitle.returnvalues;
   <para>
-   &return.success;
+   &return.true.always;
   </para>
  </refsect1>
 
diff --git a/reference/image/functions/imagedashedline.xml b/reference/image/functions/imagedashedline.xml
index d337d4f041..32fa81dbf1 100644
--- a/reference/image/functions/imagedashedline.xml
+++ b/reference/image/functions/imagedashedline.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <!-- $Revision$ -->
-<!-- EN-Revision: 9960a09a5705102bf4dd0ce63e03d9ec716d0015 Maintainer: hirokawa Status: ready -->
+<!-- EN-Revision: fcd9214294f88b05862a538c6dd94c7872420139 Maintainer: hirokawa Status: ready -->
 <!-- CREDITS: shimooka,mumumu -->
 <refentry xml:id="function.imagedashedline" xmlns="http://docbook.org/ns/docbook">
  <refnamediv>
@@ -10,7 +10,7 @@
  <refsect1 role="description">
   &reftitle.description;
   <methodsynopsis>
-   <type>bool</type><methodname>imagedashedline</methodname>
+   <type>true</type><methodname>imagedashedline</methodname>
    <methodparam><type>GdImage</type><parameter>image</parameter></methodparam>
    <methodparam><type>int</type><parameter>x1</parameter></methodparam>
    <methodparam><type>int</type><parameter>y1</parameter></methodparam>
@@ -74,7 +74,7 @@
  <refsect1 role="returnvalues">
   &reftitle.returnvalues;
   <para>
-   &return.success;
+   &return.true.always;
   </para>
  </refsect1>
 
diff --git a/reference/image/functions/imagedestroy.xml b/reference/image/functions/imagedestroy.xml
index be9ba99388..facbe41f63 100644
--- a/reference/image/functions/imagedestroy.xml
+++ b/reference/image/functions/imagedestroy.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <!-- $Revision$ -->
-<!-- EN-Revision: 02477ebd441452d6ae057ea63464020e45d88823 Maintainer: hirokawa Status: ready -->
+<!-- EN-Revision: fcd9214294f88b05862a538c6dd94c7872420139 Maintainer: hirokawa Status: ready -->
 <!-- CREDITS: shimooka -->
 <refentry xml:id="function.imagedestroy" xmlns="http://docbook.org/ns/docbook">
  <refnamediv>
@@ -14,7 +14,7 @@
   &reftitle.description;
   <methodsynopsis>
    <modifier role="attribute">#[\Deprecated]</modifier>
-   <type>bool</type><methodname>imagedestroy</methodname>
+   <type>true</type><methodname>imagedestroy</methodname>
    <methodparam><type>GdImage</type><parameter>image</parameter></methodparam>
   </methodsynopsis>
   &note.resource-migration-8.0-dead-function;
@@ -38,7 +38,7 @@
  <refsect1 role="returnvalues">
   &reftitle.returnvalues;
   <para>
-   &return.success;
+   &return.true.always;
   </para>
  </refsect1>
 
diff --git a/reference/image/functions/imageellipse.xml b/reference/image/functions/imageellipse.xml
index cda4adafd9..3ca268935f 100644
--- a/reference/image/functions/imageellipse.xml
+++ b/reference/image/functions/imageellipse.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <!-- $Revision$ -->
-<!-- EN-Revision: 593ea510e853ff034e03f78a4be0daa41661c9d4 Maintainer: hirokawa Status: ready -->
+<!-- EN-Revision: fcd9214294f88b05862a538c6dd94c7872420139 Maintainer: hirokawa Status: ready -->
 <!-- CREDITS: shimooka,mumumu -->
 <refentry xml:id="function.imageellipse" xmlns="http://docbook.org/ns/docbook">
  <refnamediv>
@@ -10,7 +10,7 @@
  <refsect1 role="description">
   &reftitle.description;
   <methodsynopsis>
-   <type>bool</type><methodname>imageellipse</methodname>
+   <type>true</type><methodname>imageellipse</methodname>
    <methodparam><type>GdImage</type><parameter>image</parameter></methodparam>
    <methodparam><type>int</type><parameter>center_x</parameter></methodparam>
    <methodparam><type>int</type><parameter>center_y</parameter></methodparam>
@@ -73,7 +73,7 @@
  <refsect1 role="returnvalues">
   &reftitle.returnvalues;
   <para>
-   &return.success;
+   &return.true.always;
   </para>
  </refsect1>
 
diff --git a/reference/image/functions/imagefill.xml b/reference/image/functions/imagefill.xml
index 572c3ef182..3006ace24d 100644
--- a/reference/image/functions/imagefill.xml
+++ b/reference/image/functions/imagefill.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <!-- $Revision$ -->
-<!-- EN-Revision: 9960a09a5705102bf4dd0ce63e03d9ec716d0015 Maintainer: hirokawa Status: ready -->
+<!-- EN-Revision: fcd9214294f88b05862a538c6dd94c7872420139 Maintainer: hirokawa Status: ready -->
 <!-- Credits: mumumu -->
 <refentry xml:id="function.imagefill" xmlns="http://docbook.org/ns/docbook">
  <refnamediv>
@@ -10,7 +10,7 @@
  <refsect1 role="description">
   &reftitle.description;
   <methodsynopsis>
-   <type>bool</type><methodname>imagefill</methodname>
+   <type>true</type><methodname>imagefill</methodname>
    <methodparam><type>GdImage</type><parameter>image</parameter></methodparam>
    <methodparam><type>int</type><parameter>x</parameter></methodparam>
    <methodparam><type>int</type><parameter>y</parameter></methodparam>
@@ -57,7 +57,7 @@
  <refsect1 role="returnvalues">
   &reftitle.returnvalues;
   <para>
-   &return.success;
+   &return.true.always;
   </para>
  </refsect1>
 
diff --git a/reference/image/functions/imagefilledarc.xml b/reference/image/functions/imagefilledarc.xml
index bebb8f4669..1b6d3fe9e4 100644
--- a/reference/image/functions/imagefilledarc.xml
+++ b/reference/image/functions/imagefilledarc.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <!-- $Revision$ -->
-<!-- EN-Revision: 9960a09a5705102bf4dd0ce63e03d9ec716d0015 Maintainer: hirokawa Status: ready -->
+<!-- EN-Revision: fcd9214294f88b05862a538c6dd94c7872420139 Maintainer: hirokawa Status: ready -->
 <!-- CREDITS: shimooka -->
 <refentry xml:id="function.imagefilledarc" xmlns="http://docbook.org/ns/docbook">
  <refnamediv>
@@ -10,7 +10,7 @@
  <refsect1 role="description">
   &reftitle.description;
   <methodsynopsis>
-   <type>bool</type><methodname>imagefilledarc</methodname>
+   <type>true</type><methodname>imagefilledarc</methodname>
    <methodparam><type>GdImage</type><parameter>image</parameter></methodparam>
    <methodparam><type>int</type><parameter>center_x</parameter></methodparam>
    <methodparam><type>int</type><parameter>center_y</parameter></methodparam>
@@ -118,7 +118,7 @@
  <refsect1 role="returnvalues">
   &reftitle.returnvalues;
   <para>
-   &return.success;
+   &return.true.always;
   </para>
  </refsect1>
 
diff --git a/reference/image/functions/imagefilledellipse.xml b/reference/image/functions/imagefilledellipse.xml
index ba49a75c13..4146f12bee 100644
--- a/reference/image/functions/imagefilledellipse.xml
+++ b/reference/image/functions/imagefilledellipse.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <!-- $Revision$ -->
-<!-- EN-Revision: 593ea510e853ff034e03f78a4be0daa41661c9d4 Maintainer: hirokawa Status: ready -->
+<!-- EN-Revision: fcd9214294f88b05862a538c6dd94c7872420139 Maintainer: hirokawa Status: ready -->
 <!-- CREDITS: shimooka,mumumu -->
 <refentry xml:id="function.imagefilledellipse" xmlns="http://docbook.org/ns/docbook">
  <refnamediv>
@@ -10,7 +10,7 @@
  <refsect1 role="description">
   &reftitle.description;
   <methodsynopsis>
-   <type>bool</type><methodname>imagefilledellipse</methodname>
+   <type>true</type><methodname>imagefilledellipse</methodname>
    <methodparam><type>GdImage</type><parameter>image</parameter></methodparam>
    <methodparam><type>int</type><parameter>center_x</parameter></methodparam>
    <methodparam><type>int</type><parameter>center_y</parameter></methodparam>
@@ -73,7 +73,7 @@
  <refsect1 role="returnvalues">
   &reftitle.returnvalues;
   <para>
-   &return.success;
+   &return.true.always;
   </para>
  </refsect1>
 
diff --git a/reference/image/functions/imagefilledrectangle.xml b/reference/image/functions/imagefilledrectangle.xml
index 27bbfe4b6b..ff99f1c1e2 100644
--- a/reference/image/functions/imagefilledrectangle.xml
+++ b/reference/image/functions/imagefilledrectangle.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <!-- $Revision$ -->
-<!-- EN-Revision: 9960a09a5705102bf4dd0ce63e03d9ec716d0015 Maintainer: hirokawa Status: ready -->
+<!-- EN-Revision: fcd9214294f88b05862a538c6dd94c7872420139 Maintainer: hirokawa Status: ready -->
 <!-- CREDITS: shimooka -->
 <refentry xml:id="function.imagefilledrectangle" xmlns="http://docbook.org/ns/docbook">
  <refnamediv>
@@ -10,7 +10,7 @@
  <refsect1 role="description">
   &reftitle.description;
   <methodsynopsis>
-   <type>bool</type><methodname>imagefilledrectangle</methodname>
+   <type>true</type><methodname>imagefilledrectangle</methodname>
    <methodparam><type>GdImage</type><parameter>image</parameter></methodparam>
    <methodparam><type>int</type><parameter>x1</parameter></methodparam>
    <methodparam><type>int</type><parameter>y1</parameter></methodparam>
@@ -76,7 +76,7 @@
  <refsect1 role="returnvalues">
   &reftitle.returnvalues;
   <para>
-   &return.success;
+   &return.true.always;
   </para>
  </refsect1>
 
diff --git a/reference/image/functions/imagefilltoborder.xml b/reference/image/functions/imagefilltoborder.xml
index 3f24cd8584..3c18ce2b10 100644
--- a/reference/image/functions/imagefilltoborder.xml
+++ b/reference/image/functions/imagefilltoborder.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <!-- $Revision$ -->
-<!-- EN-Revision: 9960a09a5705102bf4dd0ce63e03d9ec716d0015 Maintainer: hirokawa Status: ready -->
+<!-- EN-Revision: fcd9214294f88b05862a538c6dd94c7872420139 Maintainer: hirokawa Status: ready -->
 <!-- CREDITS: shimooka -->
 <refentry xml:id="function.imagefilltoborder" xmlns="http://docbook.org/ns/docbook">
  <refnamediv>
@@ -10,7 +10,7 @@
  <refsect1 role="description">
   &reftitle.description;
   <methodsynopsis>
-   <type>bool</type><methodname>imagefilltoborder</methodname>
+   <type>true</type><methodname>imagefilltoborder</methodname>
    <methodparam><type>GdImage</type><parameter>image</parameter></methodparam>
    <methodparam><type>int</type><parameter>x</parameter></methodparam>
    <methodparam><type>int</type><parameter>y</parameter></methodparam>
@@ -68,7 +68,7 @@
  <refsect1 role="returnvalues">
   &reftitle.returnvalues;
   <para>
-   &return.success;
+   &return.true.always;
   </para>
  </refsect1>
 
diff --git a/reference/image/functions/imageflip.xml b/reference/image/functions/imageflip.xml
index 419e06d2c2..985f3c1056 100644
--- a/reference/image/functions/imageflip.xml
+++ b/reference/image/functions/imageflip.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <!-- $Revision$ -->
-<!-- EN-Revision: 9960a09a5705102bf4dd0ce63e03d9ec716d0015 Maintainer: takagi Status: ready -->
+<!-- EN-Revision: fcd9214294f88b05862a538c6dd94c7872420139 Maintainer: takagi Status: ready -->
 <refentry xml:id="function.imageflip" xmlns="http://docbook.org/ns/docbook">
  <refnamediv>
   <refname>imageflip</refname>
@@ -10,7 +10,7 @@
  <refsect1 role="description">
   &reftitle.description;
   <methodsynopsis>
-   <type>bool</type><methodname>imageflip</methodname>
+   <type>true</type><methodname>imageflip</methodname>
    <methodparam><type>GdImage</type><parameter>image</parameter></methodparam>
    <methodparam><type>int</type><parameter>mode</parameter></methodparam>
   </methodsynopsis>
@@ -72,7 +72,7 @@
  <refsect1 role="returnvalues">
   &reftitle.returnvalues;
   <para>
-   &return.success;
+   &return.true.always;
   </para>
  </refsect1>
 
diff --git a/reference/image/functions/imagegammacorrect.xml b/reference/image/functions/imagegammacorrect.xml
index 53a3ef1968..9792569e70 100644
--- a/reference/image/functions/imagegammacorrect.xml
+++ b/reference/image/functions/imagegammacorrect.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <!-- $Revision$ -->
-<!-- EN-Revision: 9960a09a5705102bf4dd0ce63e03d9ec716d0015 Maintainer: hirokawa Status: ready -->
+<!-- EN-Revision: fcd9214294f88b05862a538c6dd94c7872420139 Maintainer: hirokawa Status: ready -->
 <!-- CREDITS: shimooka -->
 <refentry xml:id="function.imagegammacorrect" xmlns="http://docbook.org/ns/docbook">
  <refnamediv>
@@ -10,7 +10,7 @@
  <refsect1 role="description">
   &reftitle.description;
   <methodsynopsis>
-   <type>bool</type><methodname>imagegammacorrect</methodname>
+   <type>true</type><methodname>imagegammacorrect</methodname>
    <methodparam><type>GdImage</type><parameter>image</parameter></methodparam>
    <methodparam><type>float</type><parameter>input_gamma</parameter></methodparam>
    <methodparam><type>float</type><parameter>output_gamma</parameter></methodparam>
@@ -47,7 +47,7 @@
  <refsect1 role="returnvalues">
   &reftitle.returnvalues;
   <para>
-   &return.success;
+   &return.true.always;
   </para>
  </refsect1>
 
diff --git a/reference/image/functions/imagelayereffect.xml b/reference/image/functions/imagelayereffect.xml
index 6a5a2b651e..398b73851d 100644
--- a/reference/image/functions/imagelayereffect.xml
+++ b/reference/image/functions/imagelayereffect.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <!-- $Revision$ -->
-<!-- EN-Revision: 9960a09a5705102bf4dd0ce63e03d9ec716d0015 Maintainer: takagi Status: ready -->
+<!-- EN-Revision: fcd9214294f88b05862a538c6dd94c7872420139 Maintainer: takagi Status: ready -->
 <!-- Credits: mumumu -->
 <refentry xml:id="function.imagelayereffect" xmlns="http://docbook.org/ns/docbook">
  <refnamediv>
@@ -12,7 +12,7 @@
  <refsect1 role="description">
   &reftitle.description;
   <methodsynopsis>
-   <type>bool</type><methodname>imagelayereffect</methodname>
+   <type>true</type><methodname>imagelayereffect</methodname>
    <methodparam><type>GdImage</type><parameter>image</parameter></methodparam>
    <methodparam><type>int</type><parameter>effect</parameter></methodparam>
   </methodsynopsis>
@@ -87,7 +87,7 @@
  <refsect1 role="returnvalues">
   &reftitle.returnvalues;
   <para>
-   &return.success;
+   &return.true.always;
   </para>
  </refsect1>
 
diff --git a/reference/image/functions/imageline.xml b/reference/image/functions/imageline.xml
index d317bbed0e..b51613506a 100644
--- a/reference/image/functions/imageline.xml
+++ b/reference/image/functions/imageline.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <!-- $Revision$ -->
-<!-- EN-Revision: 593ea510e853ff034e03f78a4be0daa41661c9d4 Maintainer: hirokawa Status: ready -->
+<!-- EN-Revision: fcd9214294f88b05862a538c6dd94c7872420139 Maintainer: hirokawa Status: ready -->
 <!-- CREDITS: shimooka,mumumu -->
 <refentry xml:id="function.imageline" xmlns="http://docbook.org/ns/docbook">
  <refnamediv>
@@ -10,7 +10,7 @@
  <refsect1 role="description">
   &reftitle.description;
   <methodsynopsis>
-   <type>bool</type><methodname>imageline</methodname>
+   <type>true</type><methodname>imageline</methodname>
    <methodparam><type>GdImage</type><parameter>image</parameter></methodparam>
    <methodparam><type>int</type><parameter>x1</parameter></methodparam>
    <methodparam><type>int</type><parameter>y1</parameter></methodparam>
@@ -73,7 +73,7 @@
  <refsect1 role="returnvalues">
   &reftitle.returnvalues;
   <para>
-   &return.success;
+   &return.true.always;
   </para>
  </refsect1>
 
diff --git a/reference/image/functions/imagerectangle.xml b/reference/image/functions/imagerectangle.xml
index f742d4f4ae..f28119bc68 100644
--- a/reference/image/functions/imagerectangle.xml
+++ b/reference/image/functions/imagerectangle.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <!-- $Revision$ -->
-<!-- EN-Revision: 9960a09a5705102bf4dd0ce63e03d9ec716d0015 Maintainer: hirokawa Status: ready -->
+<!-- EN-Revision: fcd9214294f88b05862a538c6dd94c7872420139 Maintainer: hirokawa Status: ready -->
 <!-- CREDITS: shimooka -->
 <refentry xml:id="function.imagerectangle" xmlns="http://docbook.org/ns/docbook">
  <refnamediv>
@@ -10,7 +10,7 @@
  <refsect1 role="description">
   &reftitle.description;
   <methodsynopsis>
-   <type>bool</type><methodname>imagerectangle</methodname>
+   <type>true</type><methodname>imagerectangle</methodname>
    <methodparam><type>GdImage</type><parameter>image</parameter></methodparam>
    <methodparam><type>int</type><parameter>x1</parameter></methodparam>
    <methodparam><type>int</type><parameter>y1</parameter></methodparam>
@@ -74,7 +74,7 @@
  <refsect1 role="returnvalues">
   &reftitle.returnvalues;
   <para>
-   &return.success;
+   &return.true.always;
   </para>
  </refsect1>
 
diff --git a/reference/image/functions/imageresolution.xml b/reference/image/functions/imageresolution.xml
index 27d8747cea..46c3b8c9c1 100644
--- a/reference/image/functions/imageresolution.xml
+++ b/reference/image/functions/imageresolution.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <!-- $Revision$ -->
-<!-- EN-Revision: b90054e3ebc5332d7dbe510d4d9010dff32c66f7 Maintainer: mumumu Status: ready -->
+<!-- EN-Revision: fcd9214294f88b05862a538c6dd94c7872420139 Maintainer: mumumu Status: ready -->
 
 <refentry xml:id="function.imageresolution" xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">
  <refnamediv>
@@ -11,7 +11,7 @@
  <refsect1 role="description"><!-- {{{ -->
   &reftitle.description;
   <methodsynopsis>
-   <type class="union"><type>array</type><type>bool</type></type><methodname>imageresolution</methodname>
+   <type class="union"><type>array</type><type>true</type></type><methodname>imageresolution</methodname>
    <methodparam><type>GdImage</type><parameter>image</parameter></methodparam>
    <methodparam choice="opt"><type class="union"><type>int</type><type>null</type></type><parameter>resolution_x</parameter><initializer>&null;</initializer></methodparam>
    <methodparam choice="opt"><type class="union"><type>int</type><type>null</type></type><parameter>resolution_y</parameter><initializer>&null;</initializer></methodparam>
@@ -60,10 +60,8 @@
   &reftitle.returnvalues;
   <para>
    getter として使う場合、
-   水平方向と垂直方向の解像度を成功時には返します。
-   &return.falseforfailure;。
-   setter として使う場合、
-   成功時には &true; を返し、&return.falseforfailure;。
+   水平方向と垂直方向の解像度を成功時に返します。
+   setter として使う場合、常に &true; を返します。
   </para>
  </refsect1><!-- }}} -->
 
diff --git a/reference/image/functions/imagesavealpha.xml b/reference/image/functions/imagesavealpha.xml
index 22cb60698b..0596f914ab 100644
--- a/reference/image/functions/imagesavealpha.xml
+++ b/reference/image/functions/imagesavealpha.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <!-- $Revision$ -->
-<!-- EN-Revision: 9960a09a5705102bf4dd0ce63e03d9ec716d0015 Maintainer: takagi Status: ready -->
+<!-- EN-Revision: fcd9214294f88b05862a538c6dd94c7872420139 Maintainer: takagi Status: ready -->
 <!-- Credits: mumumu -->
 <refentry xml:id="function.imagesavealpha" xmlns="http://docbook.org/ns/docbook">
  <refnamediv>
@@ -13,7 +13,7 @@
  <refsect1 role="description">
   &reftitle.description;
   <methodsynopsis>
-   <type>bool</type><methodname>imagesavealpha</methodname>
+   <type>true</type><methodname>imagesavealpha</methodname>
    <methodparam><type>GdImage</type><parameter>image</parameter></methodparam>
    <methodparam><type>bool</type><parameter>enable</parameter></methodparam>
   </methodsynopsis>
@@ -59,7 +59,7 @@
  <refsect1 role="returnvalues">
   &reftitle.returnvalues;
   <para>
-   &return.success;
+   &return.true.always;
   </para>
  </refsect1>
 
diff --git a/reference/image/functions/imagesetbrush.xml b/reference/image/functions/imagesetbrush.xml
index afc75cda29..52baed2caf 100644
--- a/reference/image/functions/imagesetbrush.xml
+++ b/reference/image/functions/imagesetbrush.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <!-- $Revision$ -->
-<!-- EN-Revision: 9960a09a5705102bf4dd0ce63e03d9ec716d0015 Maintainer: hirokawa Status: ready -->
+<!-- EN-Revision: fcd9214294f88b05862a538c6dd94c7872420139 Maintainer: hirokawa Status: ready -->
 <!-- CREDITS: shimooka -->
 <refentry xml:id="function.imagesetbrush" xmlns="http://docbook.org/ns/docbook">
  <refnamediv>
@@ -10,7 +10,7 @@
  <refsect1 role="description">
   &reftitle.description;
   <methodsynopsis>
-   <type>bool</type><methodname>imagesetbrush</methodname>
+   <type>true</type><methodname>imagesetbrush</methodname>
    <methodparam><type>GdImage</type><parameter>image</parameter></methodparam>
    <methodparam><type>GdImage</type><parameter>brush</parameter></methodparam>
   </methodsynopsis>
@@ -51,7 +51,7 @@
  <refsect1 role="returnvalues">
   &reftitle.returnvalues;
   <para>
-   &return.success;
+   &return.true.always;
   </para>
  </refsect1>
 
diff --git a/reference/image/functions/imagesetclip.xml b/reference/image/functions/imagesetclip.xml
index bfe2dd474e..e8001b326c 100644
--- a/reference/image/functions/imagesetclip.xml
+++ b/reference/image/functions/imagesetclip.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <!-- $Revision$ -->
-<!-- EN-Revision: 7f99d5e488d161ce3b12d1dae405a283728933c3 Maintainer: mumumu Status: ready -->
+<!-- EN-Revision: fcd9214294f88b05862a538c6dd94c7872420139 Maintainer: mumumu Status: ready -->
 
 <refentry xml:id="function.imagesetclip" xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">
  <refnamediv>
@@ -11,7 +11,7 @@
  <refsect1 role="description"><!-- {{{ -->
   &reftitle.description;
   <methodsynopsis>
-   <type>bool</type><methodname>imagesetclip</methodname>
+   <type>true</type><methodname>imagesetclip</methodname>
    <methodparam><type>GdImage</type><parameter>image</parameter></methodparam>
    <methodparam><type>int</type><parameter>x1</parameter></methodparam>
    <methodparam><type>int</type><parameter>y1</parameter></methodparam>
@@ -66,7 +66,7 @@
  <refsect1 role="returnvalues"><!-- {{{ -->
   &reftitle.returnvalues;
   <para>
-   &return.success;
+   &return.true.always;
   </para>
  </refsect1><!-- }}} -->
 
diff --git a/reference/image/functions/imagesetpixel.xml b/reference/image/functions/imagesetpixel.xml
index eb176c4d4f..c97d6b8010 100644
--- a/reference/image/functions/imagesetpixel.xml
+++ b/reference/image/functions/imagesetpixel.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <!-- $Revision$ -->
-<!-- EN-Revision: ee0403b08276f179965318623980378033d34d72 Maintainer: hirokawa Status: ready -->
+<!-- EN-Revision: fcd9214294f88b05862a538c6dd94c7872420139 Maintainer: hirokawa Status: ready -->
 <!-- CREDITS: shimooka,mumumu -->
 <refentry xml:id="function.imagesetpixel" xmlns="http://docbook.org/ns/docbook">
  <refnamediv>
@@ -10,7 +10,7 @@
  <refsect1 role="description">
   &reftitle.description;
   <methodsynopsis>
-   <type>bool</type><methodname>imagesetpixel</methodname>
+   <type>true</type><methodname>imagesetpixel</methodname>
    <methodparam><type>GdImage</type><parameter>image</parameter></methodparam>
    <methodparam><type>int</type><parameter>x</parameter></methodparam>
    <methodparam><type>int</type><parameter>y</parameter></methodparam>
@@ -55,7 +55,7 @@
  <refsect1 role="returnvalues">
   &reftitle.returnvalues;
   <para>
-   &return.success;
+   &return.true.always;
   </para>
  </refsect1>
 
diff --git a/reference/image/functions/imagesetthickness.xml b/reference/image/functions/imagesetthickness.xml
index 301b3e5aea..529f91408a 100644
--- a/reference/image/functions/imagesetthickness.xml
+++ b/reference/image/functions/imagesetthickness.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <!-- $Revision$ -->
-<!-- EN-Revision: 9960a09a5705102bf4dd0ce63e03d9ec716d0015 Maintainer: hirokawa Status: ready -->
+<!-- EN-Revision: fcd9214294f88b05862a538c6dd94c7872420139 Maintainer: hirokawa Status: ready -->
 <!-- CREDITS: shimooka -->
 <refentry xml:id="function.imagesetthickness" xmlns="http://docbook.org/ns/docbook">
  <refnamediv>
@@ -10,7 +10,7 @@
  <refsect1 role="description">
   &reftitle.description;
   <methodsynopsis>
-   <type>bool</type><methodname>imagesetthickness</methodname>
+   <type>true</type><methodname>imagesetthickness</methodname>
    <methodparam><type>GdImage</type><parameter>image</parameter></methodparam>
    <methodparam><type>int</type><parameter>thickness</parameter></methodparam>
   </methodsynopsis>
@@ -38,7 +38,7 @@
  <refsect1 role="returnvalues">
   &reftitle.returnvalues;
   <para>
-   &return.success;
+   &return.true.always;
   </para>
  </refsect1>
 
diff --git a/reference/image/functions/imagesettile.xml b/reference/image/functions/imagesettile.xml
index c49477babd..54c5973e2e 100644
--- a/reference/image/functions/imagesettile.xml
+++ b/reference/image/functions/imagesettile.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <!-- $Revision$ -->
-<!-- EN-Revision: 9960a09a5705102bf4dd0ce63e03d9ec716d0015 Maintainer: hirokawa Status: ready -->
+<!-- EN-Revision: fcd9214294f88b05862a538c6dd94c7872420139 Maintainer: hirokawa Status: ready -->
 <!-- CREDITS: shimooka,mumumu -->
 <refentry xml:id="function.imagesettile" xmlns="http://docbook.org/ns/docbook">
  <refnamediv>
@@ -10,7 +10,7 @@
  <refsect1 role="description">
   &reftitle.description;
   <methodsynopsis>
-   <type>bool</type><methodname>imagesettile</methodname>
+   <type>true</type><methodname>imagesettile</methodname>
    <methodparam><type>GdImage</type><parameter>image</parameter></methodparam>
    <methodparam><type>GdImage</type><parameter>tile</parameter></methodparam>
   </methodsynopsis>
@@ -56,7 +56,7 @@
  <refsect1 role="returnvalues">
   &reftitle.returnvalues;
   <para>
-   &return.success;
+   &return.true.always;
   </para>
  </refsect1>
 
diff --git a/reference/image/functions/imagestring.xml b/reference/image/functions/imagestring.xml
index 7f3c5ab67e..7aac277577 100644
--- a/reference/image/functions/imagestring.xml
+++ b/reference/image/functions/imagestring.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <!-- $Revision$ -->
-<!-- EN-Revision: 9960a09a5705102bf4dd0ce63e03d9ec716d0015 Maintainer: hirokawa Status: ready -->
+<!-- EN-Revision: fcd9214294f88b05862a538c6dd94c7872420139 Maintainer: hirokawa Status: ready -->
 <!-- CREDITS: shimooka,mumumu -->
 <refentry xml:id="function.imagestring" xmlns="http://docbook.org/ns/docbook">
  <refnamediv>
@@ -10,7 +10,7 @@
  <refsect1 role="description">
   &reftitle.description;
   <methodsynopsis>
-   <type>bool</type><methodname>imagestring</methodname>
+   <type>true</type><methodname>imagestring</methodname>
    <methodparam><type>GdImage</type><parameter>image</parameter></methodparam>
    <methodparam><type class="union"><type>GdFont</type><type>int</type></type><parameter>font</parameter></methodparam>
    <methodparam><type>int</type><parameter>x</parameter></methodparam>
@@ -66,7 +66,7 @@
  <refsect1 role="returnvalues">
   &reftitle.returnvalues;
   <para>
-   &return.success;
+   &return.true.always;
   </para>
  </refsect1>
 
diff --git a/reference/image/functions/imagestringup.xml b/reference/image/functions/imagestringup.xml
index 685eb94aa2..8051623ad4 100644
--- a/reference/image/functions/imagestringup.xml
+++ b/reference/image/functions/imagestringup.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <!-- $Revision$ -->
-<!-- EN-Revision: 9960a09a5705102bf4dd0ce63e03d9ec716d0015 Maintainer: hirokawa Status: ready -->
+<!-- EN-Revision: fcd9214294f88b05862a538c6dd94c7872420139 Maintainer: hirokawa Status: ready -->
 <!-- CREDITS: shimooka,mumumu -->
 <refentry xml:id="function.imagestringup" xmlns="http://docbook.org/ns/docbook">
  <refnamediv>
@@ -10,7 +10,7 @@
  <refsect1 role="description">
   &reftitle.description;
   <methodsynopsis>
-   <type>bool</type><methodname>imagestringup</methodname>
+   <type>true</type><methodname>imagestringup</methodname>
    <methodparam><type>GdImage</type><parameter>image</parameter></methodparam>
    <methodparam><type class="union"><type>GdFont</type><type>int</type></type><parameter>font</parameter></methodparam>
    <methodparam><type>int</type><parameter>x</parameter></methodparam>
@@ -66,7 +66,7 @@
  <refsect1 role="returnvalues">
   &reftitle.returnvalues;
   <para>
-   &return.success;
+   &return.true.always;
   </para>
  </refsect1>
 
diff --git a/reference/libxml/functions/libxml-set-external-entity-loader.xml b/reference/libxml/functions/libxml-set-external-entity-loader.xml
index 9f9d656847..3d066344c3 100644
--- a/reference/libxml/functions/libxml-set-external-entity-loader.xml
+++ b/reference/libxml/functions/libxml-set-external-entity-loader.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <!-- $Revision$ -->
-<!-- EN-Revision: 8109567de77d72f9def7d39d92717248f9100a0b Maintainer: takagi Status: ready -->
+<!-- EN-Revision: 5b7646656eb183ea568b8261d6d87a10a1b961c7 Maintainer: takagi Status: ready -->
 <!-- Credits: mumumu -->
 
 <refentry xml:id="function.libxml-set-external-entity-loader" xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">
@@ -12,7 +12,7 @@
  <refsect1 role="description">
   &reftitle.description;
   <methodsynopsis>
-   <type>bool</type><methodname>libxml_set_external_entity_loader</methodname>
+   <type>true</type><methodname>libxml_set_external_entity_loader</methodname>
    <methodparam><type class="union"><type>callable</type><type>null</type></type><parameter>resolver_function</parameter></methodparam>
   </methodsynopsis>
   <para>
@@ -77,10 +77,32 @@
  <refsect1 role="returnvalues">
   &reftitle.returnvalues;
   <para>
-   &return.success;
+   &return.true.always;
   </para>
  </refsect1>
 
+ <refsect1 role="changelog">
+  &reftitle.changelog;
+  <informaltable>
+   <tgroup cols="2">
+    <thead>
+     <row>
+      <entry>&Version;</entry>
+      <entry>&Description;</entry>
+     </row>
+    </thead>
+    <tbody>
+     <row>
+      <entry>8.5.0</entry>
+      <entry>
+       戻り値の型が、&true; になりました。これより前のバージョンでは、<type>bool</type> でした。
+      </entry>
+     </row>
+    </tbody>
+   </tgroup>
+  </informaltable>
+ </refsect1>
+
  <refsect1 role="examples">
   &reftitle.examples;
   <para>
diff --git a/reference/pcntl/functions/pcntl-exec.xml b/reference/pcntl/functions/pcntl-exec.xml
index 294a46c38a..abc034eaa2 100644
--- a/reference/pcntl/functions/pcntl-exec.xml
+++ b/reference/pcntl/functions/pcntl-exec.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <!-- $Revision$ -->
-<!-- EN-Revision: b890f28c0c6d2856eadcdc34b3faf83a846b3d79 Maintainer: hirokawa Status: ready -->
+<!-- EN-Revision: fcd9214294f88b05862a538c6dd94c7872420139 Maintainer: hirokawa Status: ready -->
 <!-- CREDITS: takagi -->
 <refentry xml:id="function.pcntl-exec" xmlns="http://docbook.org/ns/docbook">
  <refnamediv>
@@ -11,7 +11,7 @@
  <refsect1 role="description">
   &reftitle.description;
   <methodsynopsis>
-   <type>bool</type><methodname>pcntl_exec</methodname>
+   <type>false</type><methodname>pcntl_exec</methodname>
    <methodparam><type>string</type><parameter>path</parameter></methodparam>
    <methodparam choice="opt"><type>array</type><parameter>args</parameter><initializer>[]</initializer></methodparam>
    <methodparam choice="opt"><type>array</type><parameter>env_vars</parameter><initializer>[]</initializer></methodparam>
@@ -50,7 +50,7 @@
      <listitem>
       <para>
        <parameter>env_vars</parameter> は、プログラムに渡す環境変数の配列です。
-       この配列は name => value のような形式で、key が環境変数名・value が
+       この配列は name =&gt; value のような形式で、key が環境変数名・value が
        その値となります。
       </para>
      </listitem>
diff --git a/reference/sem/functions/shm-detach.xml b/reference/sem/functions/shm-detach.xml
index 81a8fe61b9..2d10b92061 100644
--- a/reference/sem/functions/shm-detach.xml
+++ b/reference/sem/functions/shm-detach.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <!-- $Revision$ -->
-<!-- EN-Revision: fd2f14b2e44fbda6dd3f94a1d07f2bc9a7567aff Maintainer: hirokawa Status: ready -->
+<!-- EN-Revision: 5b7646656eb183ea568b8261d6d87a10a1b961c7 Maintainer: hirokawa Status: ready -->
 <!-- Credits: mumumu -->
 <refentry xmlns="http://docbook.org/ns/docbook" xml:id="function.shm-detach">
  <refnamediv>
@@ -11,7 +11,7 @@
  <refsect1 role="description">
   &reftitle.description;
   <methodsynopsis>
-   <type>bool</type><methodname>shm_detach</methodname>
+   <type>true</type><methodname>shm_detach</methodname>
    <methodparam><type>SysvSharedMemory</type><parameter>shm</parameter></methodparam>
   </methodsynopsis>
   <simpara>
@@ -41,7 +41,7 @@
  <refsect1 role="returnvalues">
   &reftitle.returnvalues;
   <simpara>
-   &return.success;
+   &return.true.always;
   </simpara>
  </refsect1>
 
@@ -56,6 +56,12 @@
      </row>
     </thead>
     <tbody>
+     <row>
+      <entry>8.5.0</entry>
+      <entry>
+       戻り値の型が、&true; になりました。これより前のバージョンでは、<type>bool</type> でした。
+      </entry>
+     </row>
      <row>
       <entry>8.0.0</entry>
       <entry>