[css-text] Switch inter-word example to German, because English is okay with letter-spacing expansion, but German is not

Author: fantasai

css-text/Overview.bs

@@ -1466,7 +1466,7 @@ Canonical order: N/A
           it could choose a more language-tailored justification behavior
           e.g. following [[JLREQ]] for Japanese,
           using cursive elongation for Arabic,
-          using ''inter-word'' for English,
+          using ''inter-word'' for German,
           etc.
 
         <div class="figure" id="fig-text-justify-cursive">

css-text/Overview.html

@@ -1609,7 +1609,7 @@ <h3 class="heading settled heading" data-level=7.3 id=text-justify-property><spa
           it could choose a more language-tailored justification behavior
           e.g. following <a data-biblio-type=informative data-link-type=biblio href=#jlreq title=jlreq>[JLREQ]</a> for Japanese,
           using cursive elongation for Arabic,
-          using <a class=css data-link-type=maybe href=#valuedef-inter-word title=inter-word>inter-word</a> for English,
+          using <a class=css data-link-type=maybe href=#valuedef-inter-word title=inter-word>inter-word</a> for German,
           etc.
 
         <div class=figure id=fig-text-justify-cursive>
@@ -2316,7 +2316,7 @@ <h3 class="heading settled heading" data-level=9.3 id=bidi-linebox><span class=s
 
   <div class=example>
     <p>In the following example, assuming the <code>&lt;block&gt;</code>
-    is a preformatted block (<a class=css data-link-type=propdesc href=http://dev.w3.org/csswg/css2/visuren.html#propdef-display title=display>display: block; white-space: pre</a>) inheriting
+    is a preformatted block (<a class=css data-link-type=propdesc href=http://www.w3.org/TR/CSS21/visuren.html#propdef-display title=display>display: block; white-space: pre</a>) inheriting
     <a class=css data-link-type=propdesc href=#propdef-text-align title=text-align>text-align: start</a>, every other line is right-aligned:</p>
     <pre>&lt;block style="unicode-bidi: plaintext"&gt;
   Latin