Avoid spaces between <option> and <replaceable>

* man/chage.1.xml: Add a non breaking space between options and
	their parameter because xml2po removes those spaces. Alioth#314401
	* man/chfn.1.xml: Likewise.
	* man/chgpasswd.8.xml: Likewise.
	* man/chpasswd.8.xml: Likewise.
	* man/chsh.1.xml: Likewise.
	* man/faillog.8.xml: Likewise.
	* man/gpasswd.1.xml: Likewise.
	* man/groupadd.8.xml: Likewise.
	* man/groupdel.8.xml: Likewise.
	* man/groupmems.8.xml: Likewise.
	* man/groupmod.8.xml: Likewise.
	* man/grpck.8.xml: Likewise.
	* man/lastlog.8.xml: Likewise.
	* man/newusers.8.xml: Likewise.
	* man/passwd.1.xml: Likewise.
	* man/pwck.8.xml: Likewise.
	* man/pwconv.8.xml: Likewise.
	* man/su.1.xml: Likewise.
	* man/useradd.8.xml: Likewise.
	* man/userdel.8.xml: Likewise.
	* man/usermod.8.xml: Likewise.
	* man/vipw.8.xml: Likewise.

man/groupadd.8.xml

@@ -112,7 +112,7 @@
       </varlistentry>
       <varlistentry>
 	<term>
-	  <option>-g</option>, <option>--gid</option> <replaceable>GID</replaceable>
+	  <option>-g</option>, <option>--gid</option>&nbsp;<replaceable>GID</replaceable>
 	</term>
 	<listitem>
 	  <para>The numerical value of the group's ID. This value must be
@@ -135,7 +135,7 @@
       </varlistentry>
       <varlistentry>
 	<term>
-	  <option>-K</option>, <option>--key</option> <replaceable>KEY</replaceable>=<replaceable>VALUE</replaceable>
+	  <option>-K</option>, <option>--key</option>&nbsp;<replaceable>KEY</replaceable>=<replaceable>VALUE</replaceable>
 	</term>
 	<listitem>
 	  <para>
@@ -144,12 +144,11 @@
 	    <option>-K</option> options can be specified.
 	  </para>
 	  <para>
-	     Example: <option>-K </option><replaceable>GID_MIN</replaceable>=<replaceable>100</replaceable>
-	    <option>-K </option><replaceable>GID_MAX</replaceable>=<replaceable>499</replaceable>
+	     Example: <option>-K</option>&nbsp;<replaceable>GID_MIN</replaceable>=<replaceable>100</replaceable>&nbsp;
+	    <option>-K</option>&nbsp;<replaceable>GID_MAX</replaceable>=<replaceable>499</replaceable>
 	  </para>
 	  <para>
-	    Note: <option>-K </option>
-	    <replaceable>GID_MIN</replaceable>=<replaceable>10</replaceable>,<replaceable>GID_MAX</replaceable>=<replaceable>499</replaceable>
+	    Note: <option>-K</option>&nbsp;<replaceable>GID_MIN</replaceable>=<replaceable>10</replaceable>,<replaceable>GID_MAX</replaceable>=<replaceable>499</replaceable>
 	    doesn't work yet.
 	  </para>
 	</listitem>
@@ -166,8 +165,7 @@
       </varlistentry>
       <varlistentry>
 	<term>
-	  <option>-p</option>, <option>--password</option>
-	  <replaceable>PASSWORD</replaceable>
+	  <option>-p</option>, <option>--password</option>&nbsp;<replaceable>PASSWORD</replaceable>
 	</term>
 	<listitem>
 	  <para>
@@ -204,8 +202,7 @@
       </varlistentry>
       <varlistentry>
 	<term>
-	  <option>-R</option>, <option>--root</option>
-	  <replaceable>CHROOT_DIR</replaceable>
+	  <option>-R</option>, <option>--root</option>&nbsp;<replaceable>CHROOT_DIR</replaceable>
 	</term>
 	<listitem>
 	  <para>