use a non-breaking space to avoid a double space after e.g.

sudoers.pod

@@ -137,7 +137,7 @@ also contain uids (prefixed with '#') and instead of C<User_Alias>es
 it can contain C<Runas_Alias>es.  Note that usernames and groups
 are matched as strings.  In other words, two users (groups) with
 the same uid (gid) are considered to be distinct.  If you wish to
-match all usernames with the same uid (e.g. root and toor), you
+match all usernames with the same uid (e.g.E<nbsp>root and toor), you
 can use a uid instead (#0 in the example given).
 
  Host_List ::= Host |
@@ -154,10 +154,10 @@ network numbers, netgroups (prefixed with '+') and other aliases.
 Again, the value of an item may be negated with the '!' operator.
 If you do not specify a netmask with a network number, the netmask
 of the host's ethernet interface(s) will be used when matching.
-The netmask may be specified either in dotted quad notation (e.g.
-255.255.255.0) or CIDR notation (number of bits, e.g. 24).  A hostname
-may include shell-style wildcards (see the L<Wildcards> section below),
-but unless the C<hostname> command on your machine returns the fully
+The netmask may be specified either in dotted quad notation
+(e.g.E<nbsp>255.255.255.0) or CIDR notation (number of bits, e.g.E<nbsp>24). 
+A hostname may include shell-style wildcards (see the L<Wildcards> section
+below), but unless the C<hostname> command on your machine returns the fully
 qualified hostname, you'll need to use the I<fqdn> option for wildcards
 to be useful.
 
@@ -1036,7 +1036,7 @@ Whitespace between elements in a list as well as special syntactic
 characters in a I<User Specification> ('=', ':', '(', ')') is optional.
 
 The following characters must be escaped with a backslash ('\') when
-used as part of a word (e.g. a username or hostname):
+used as part of a word (e.g.E<nbsp>a username or hostname):
 '@', '!', '=', ':', ',', '(', ')', '\'.
 
 =head1 FILES