xml: changes requested by marchersimon,

which undo the "the" changes previously made for sbrl.
The `select`, `edit`, and `transform` subcommands are not yet ready.

pages/common/xml-pyx.md

@@ -5,11 +5,11 @@
 
 - Convert an XML document to PYX format:
 
-`xml pyx {{path/to/input.xml|URI}} >{{path/to/output.pyx}}`
+`xml pyx {{path/to/input.xml|URI}} > {{path/to/output.pyx}}`
 
-- Convert an XML document from the standard input to PYX format:
+- Convert an XML document from stdin to PYX format:
 
-`cat {{path/to/input.xml}} | xml pyx >{{path/to/output.pyx}}`
+`cat {{path/to/input.xml}} | xml pyx > {{path/to/output.pyx}}`
 
 - Display help for the `pyx` subcommand: