use a=experimental instead n=experimental in pin documentation

Closes: 783343

doc/apt_preferences.5.xml

@@ -267,7 +267,7 @@ expression surrounded by slashes).
 
 <programlisting>
 Package: gnome* /kde/
-Pin: release n=experimental
+Pin: release a=experimental
 Pin-Priority: 500
 </programlisting>
 

doc/po/apt-doc.pot

@@ -4241,7 +4241,7 @@ msgstr ""
 #, no-wrap
 msgid ""
 "Package: gnome* /kde/\n"
-"Pin: release n=experimental\n"
+"Pin: release a=experimental\n"
 "Pin-Priority: 500\n"
 msgstr ""
 

doc/po/de.po

@@ -6071,11 +6071,11 @@ msgstr ""
 #, no-wrap
 msgid ""
 "Package: gnome* /kde/\n"
-"Pin: release n=experimental\n"
+"Pin: release a=experimental\n"
 "Pin-Priority: 500\n"
 msgstr ""
 "Package: gnome* /kde/\n"
-"Pin: release n=experimental\n"
+"Pin: release a=experimental\n"
 "Pin-Priority: 500\n"
 
 #. type: Content of: <refentry><refsect1><refsect2><para>

doc/po/es.po

@@ -6126,11 +6126,11 @@ msgstr ""
 #, no-wrap
 msgid ""
 "Package: gnome* /kde/\n"
-"Pin: release n=experimental\n"
+"Pin: release a=experimental\n"
 "Pin-Priority: 500\n"
 msgstr ""
 "Package: gnome* /kde/\n"
-"Pin: release n=experimental\n"
+"Pin: release a=experimental\n"
 "Pin-Priority: 500\n"
 
 #. type: Content of: <refentry><refsect1><refsect2><para>

doc/po/fr.po

@@ -6045,11 +6045,11 @@ msgstr ""
 #, no-wrap
 msgid ""
 "Package: gnome* /kde/\n"
-"Pin: release n=experimental\n"
+"Pin: release a=experimental\n"
 "Pin-Priority: 500\n"
 msgstr ""
 "Package: gnome* /kde/\n"
-"Pin: release n=experimental\n"
+"Pin: release a=experimental\n"
 "Pin-Priority: 500\n"
 
 #. type: Content of: <refentry><refsect1><refsect2><para>

doc/po/it.po

@@ -6072,11 +6072,11 @@ msgstr ""
 #, no-wrap
 msgid ""
 "Package: gnome* /kde/\n"
-"Pin: release n=experimental\n"
+"Pin: release a=experimental\n"
 "Pin-Priority: 500\n"
 msgstr ""
 "Package: gnome* /kde/\n"
-"Pin: release n=experimental\n"
+"Pin: release a=experimental\n"
 "Pin-Priority: 500\n"
 
 #. type: Content of: <refentry><refsect1><refsect2><para>

doc/po/ja.po

@@ -5812,11 +5812,11 @@ msgstr ""
 #, no-wrap
 msgid ""
 "Package: gnome* /kde/\n"
-"Pin: release n=experimental\n"
+"Pin: release a=experimental\n"
 "Pin-Priority: 500\n"
 msgstr ""
 "Package: gnome* /kde/\n"
-"Pin: release n=experimental\n"
+"Pin: release a=experimental\n"
 "Pin-Priority: 500\n"
 
 #. type: Content of: <refentry><refsect1><refsect2><para>

doc/po/pl.po

@@ -5509,11 +5509,11 @@ msgstr ""
 #, no-wrap
 msgid ""
 "Package: gnome* /kde/\n"
-"Pin: release n=experimental\n"
+"Pin: release a=experimental\n"
 "Pin-Priority: 500\n"
 msgstr ""
 "Package: gnome* /kde/\n"
-"Pin: release n=experimental\n"
+"Pin: release a=experimental\n"
 "Pin-Priority: 500\n"
 
 #. type: Content of: <refentry><refsect1><refsect2><para>

doc/po/pt.po

@@ -6007,11 +6007,11 @@ msgstr ""
 #, no-wrap
 msgid ""
 "Package: gnome* /kde/\n"
-"Pin: release n=experimental\n"
+"Pin: release a=experimental\n"
 "Pin-Priority: 500\n"
 msgstr ""
 "Package: gnome* /kde/\n"
-"Pin: release n=experimental\n"
+"Pin: release a=experimental\n"
 "Pin-Priority: 500\n"
 
 #. type: Content of: <refentry><refsect1><refsect2><para>

doc/po/pt_BR.po

@@ -4393,7 +4393,7 @@ msgstr ""
 #, fuzzy, no-wrap
 msgid ""
 "Package: gnome* /kde/\n"
-"Pin: release n=experimental\n"
+"Pin: release a=experimental\n"
 "Pin-Priority: 500\n"
 msgstr ""
 "<programlisting>\n"