uid_uri_db: docs - removed trailing spaces

src/modules/uid_uri_db/doc/functions.xml

@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE section PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN" 
+<!DOCTYPE section PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
    "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 
 <section id="uri_db.functions" xmlns:xi="http://www.w3.org/2001/XInclude">

src/modules/uid_uri_db/doc/params.xml

@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE section PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN" 
+<!DOCTYPE section PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
    "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 
 <section id="uri_db.parameters" xmlns:xi="http://www.w3.org/2001/XInclude">

src/modules/uid_uri_db/doc/uid_uri_db.xml

@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE section PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN" 
+<!DOCTYPE section PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
    "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
 
 <book id="uri_db" xmlns:xi="http://www.w3.org/2001/XInclude">