Prevent code wrapping.

This fixes weird wrapping of embedded Markdown code elements within
code blocks. It also prevents inline-code from wrapping, since that
also often looks weird.

Author: mpark

data/templates/wg21.html

@@ -18,7 +18,7 @@
 $endif$
   <title>$if(title-prefix)$$title-prefix$ – $endif$$pagetitle$</title>
   <style>
-      code{white-space: pre-wrap;}
+      code.sourceCode{white-space: pre;}
       span.smallcaps{font-variant: small-caps;}
       span.underline{text-decoration: underline;}
       /* Make the thickness of strikeout and underline consistent in different contexts */

data/templates/wg21.html.patch

@@ -16,7 +16,7 @@ index dda7e8c..8e8e1f4 100644
    <title>$if(title-prefix)$$title-prefix$ – $endif$$pagetitle$</title>
    <style>
 -    $styles.html()$
-+      code{white-space: pre-wrap;}
++      code.sourceCode{white-space: pre;}
 +      span.smallcaps{font-variant: small-caps;}
 +      span.underline{text-decoration: underline;}
 +      /* Make the thickness of strikeout and underline consistent in different contexts */

generated/TEST.html

@@ -7,7 +7,7 @@
   <meta name="dcterms.date" content="2026-05-19" />
   <title>Test document for mpark/wg21</title>
   <style>
-      code{white-space: pre-wrap;}
+      code.sourceCode{white-space: pre;}
       span.smallcaps{font-variant: small-caps;}
       span.underline{text-decoration: underline;}
       /* Make the thickness of strikeout and underline consistent in different contexts */