make sure that no additional space appear in the data

[matyaskopp]

reported here: clarin-eric/ParlaMint#354

         <settingDesc>
            <setting>
               <name type="org">
                  Parlament České republiky - Poslanecká sněmovna
               </name>
               <name type="address">
                  Sněmovní 176/4
               </name>
               <name type="city">
                  Praha
               </name>
               <name key="CZ" type="country">
                  Czech Republic
               </name>
               <date when="2016-04-13" ana="#parla.sitting">2016-04-13</date>
            </setting>
         </settingDesc>

produced by https://github.com/ufal/ParCzech/blob/d41dc0da0b390ad59b5625ba2e9832443784311c/src/metadater/metadater.pl
or:

ParCzech/src/lib/ParCzech/PipeLine/FileManager.pm

Lines 453 to 458 in d41dc0d

	element => {
	inline => [qw//], # note
	block => [qw/person/],
	compact => [qw/catDesc term label date edition title meeting idno orgName persName resp licence language sex forename surname measure head roleName/],
	preserves_whitespace => [qw/s seg note ref p desc/],
	}

to be precise