Updated typographical to topographical, line breaks to line beginning…

…s, added clarification to example in line spec

P5/Source/Specs/lb.xml

@@ -32,7 +32,7 @@
   </classes>
   <content><empty/></content>
   <exemplum xml:lang="en">
-    <p>This example shows typographical line beginning within metrical lines, where they occur at different
+    <p>This example shows topographical line beginning within metrical lines, where they occur at different
       places in different editions:</p>
     <egXML xmlns="http://www.tei-c.org/ns/Examples">
       <l>Of Mans First Disobedience,<lb ed="1674"/> and<lb ed="1667"/> the Fruit</l>
@@ -58,7 +58,7 @@
     </egXML>
   </exemplum>
   <exemplum xml:lang="en">
-    <p>This example encodes typographical line beginning as a means of
+    <p>This example encodes topographical line beginning as a means of
 preserving the visual appearance of a title page. The <att>break</att>
       attribute is used to show that the line beginning does not (as elsewhere)
 mark the start of a new word.  </p>

P5/Source/Specs/line.xml

@@ -21,6 +21,7 @@
 
   </content>
   <exemplum xml:lang="en">
+    <p>This example shows topographical lines as a means of preserving the visual appearance of a poem:</p>
     <egXML xmlns="http://www.tei-c.org/ns/Examples">
       <surface>
         <zone>
@@ -53,7 +54,7 @@ said</line>
     <p>This element should be used only to mark up writing which
 is topographically organized as a series of lines, horizontal or
 vertical. It should not be used to mark lines of verse (for which use
-<gi>l</gi>) nor to mark linebreaks within text which has been encoded
+<gi>l</gi>) nor to mark line beginnings within text which has been encoded
 using structural elements such as <gi>p</gi> (for which use
 <gi>lb</gi>).</p>
   </remarks>