Add versionadded directives

doc/usage/domains/c.rst

@@ -4,6 +4,8 @@
 The C Domain
 ============
 
+.. versionadded:: 1.0
+
 The C domain (name **c**) is suited for documentation of C API.
 
 .. rst:directive:: .. c:member:: declaration

doc/usage/domains/cpp.rst

@@ -4,6 +4,8 @@
 The C++ Domain
 ==============
 
+.. versionadded:: 1.0
+
 The C++ domain (name **cpp**) supports documenting C++ projects.
 
 Directives for Declaring Entities

doc/usage/domains/javascript.rst

@@ -4,6 +4,8 @@
 The JavaScript Domain
 =====================
 
+.. versionadded:: 1.0
+
 The JavaScript domain (name **js**) provides the following directives:
 
 .. rst:directive:: .. js:module:: name

doc/usage/domains/mathematics.rst

@@ -4,6 +4,8 @@
 The Mathematics Domain
 ======================
 
+.. versionadded:: 1.8
+
 The math domain (name **math**) provides the following roles:
 
 .. rst:role:: math:numref

doc/usage/domains/python.rst

@@ -4,6 +4,8 @@
 The Python Domain
 =================
 
+.. versionadded:: 1.0
+
 The Python domain (name **py**) provides the following directives for module
 declarations:
 

doc/usage/domains/restructuredtext.rst

@@ -4,6 +4,8 @@
 The reStructuredText Domain
 ===========================
 
+.. versionadded:: 1.0
+
 The reStructuredText domain (name **rst**) provides the following directives:
 
 .. rst:directive:: .. rst:directive:: name

doc/usage/domains/standard.rst

@@ -4,6 +4,8 @@
 The Standard Domain
 ===================
 
+.. versionadded:: 1.0
+
 The so-called "standard" domain collects all markup that doesn't warrant a
 domain of its own.  Its directives and roles are not prefixed with a domain
 name.