Merge pull request #1165 from galtm/typo-try-catch

Typo and spacing fix

Author: xatapult

xproc/src/main/examples/trycatch.xml

@@ -13,9 +13,9 @@
   <p:catch>
     <p:identity>
       <p:with-input port="source">
-	<p:inline>
-	  <c:error>HTTP Request Failed</c:error>
-	</p:inline>
+        <p:inline>
+          <c:error>HTTP Request Failed</c:error>
+        </p:inline>
       </p:with-input>
     </p:identity>
   </p:catch>

xproc/src/main/xml/specification.xml

@@ -5215,7 +5215,7 @@ machine-processable fashion. Many steps omit this because they do not
 include the concept of errors identified by EQNames.</para>
 
 <para>The <tag class="attribute">cause</tag> is an EQName which
-identifies an underlying error, if applicable. As an aide to
+identifies an underlying error, if applicable. As an aid to
 interoperability, this specification mandates particular error codes
 for conditions that can arise in a variety of ways. For example,
 <code>err:XD0050</code> is raised for all errors in XPath expressions