#rss2
#data
<item  xmlns:slash="http://purl.org/rss/1.0/modules/slash/">
  <title>a</title>
  <slash:comments>42</slash:comments>
</item>
#errors
item/comments;limited use;w

#rss2
#data
<item  xmlns:slash="http://purl.org/rss/1.0/modules/slash/">
  <title>a</title>
  <slash:comments>42a</slash:comments>
</item>
#errors
item/comments;nninteger:syntax error;m
item/comments;limited use;w

#rss2
#data
<item  xmlns:slash="http://purl.org/rss/1.0/modules/slash/">
  <title>a</title>
  <slash:comments>42</slash:comments>
  <slash:comments>42</slash:comments>
</item>
#errors
item/comments;element not allowed:duplicate;m
item/comments;limited use;w
item/comments;limited use;w

#rss2
#data
<item  xmlns:slash="http://purl.org/rss/1.0/modules/slash/">
  <title>a</title>
  <slash:comment>42</slash:comments>
</item>
#errors
item/comment;unknown namespace element;u