news.rng: work around a bug in old libxml2

Similar to commit c3c2cc6, use a literal newsline instead of \n
inside the brackets.

diff --git a/docs/schemas/news.rng b/docs/schemas/news.rng
index ec4313f621a41bd7706ce3e764831498fccae54e..a633e22a7df8f80fbe054a0454bb6c87bab05735 100644 (file)
--- a/docs/schemas/news.rng
+++ b/docs/schemas/news.rng
@@ -45,7 +45,9 @@
     <element name="change">
       <element name="summary">
         <data type="string">
-          <param name="pattern">\n[^\n]+\n +</param>
+          <!-- Use literal newline instead of \n for bug in libxml2 2.7.6 -->
+          <param name="pattern">\n[^
+]+\n +</param>
         </data>
       </element>
       <optional>