MediaWiki: better handling of inline tags.

`<mark>`, `<var>`, `<samp>`, and `<kbd>` now produce Code or Span
elements with classes, which can be handled by multiple output
formats, instead of simply being parsed as raw HTML tags.

Closes #11299.

src/Text/Pandoc/Readers/MediaWiki.hs

@@ -659,6 +659,10 @@ inlineTag = do
        TagOpen "del" _ -> B.strikeout <$> inlinesInTags "del"
        TagOpen "sub" _ -> B.subscript <$> inlinesInTags "sub"
        TagOpen "sup" _ -> B.superscript <$> inlinesInTags "sup"
+       TagOpen "var" _ -> B.codeWith ("",["variable"],[]) <$> textInTags "var"
+       TagOpen "samp" _ -> B.codeWith ("",["sample"],[]) <$> textInTags "samp"
+       TagOpen "kbd" _ -> B.spanWith ("",["kbd"],[]) <$> inlinesInTags "kbd"
+       TagOpen "mark" _ -> B.spanWith ("",["mark"],[]) <$> inlinesInTags "mark"
        TagOpen "code" _ -> encode <$> inlinesInTags "code"
        TagOpen "tt" _ -> do
          inTT <- mwInTT <$> getState

test/command/11299.md

@@ -1,6 +1,28 @@
 ```
 % pandoc -f mediawiki -t native
 <foo>
+
+<samp>x</samp>
+
+<kbd>x</kbd>
+
+<var>x</var>
+
+<mark>This is ''highlighted''</mark>
 ^D
-[ Para [ Str "<foo>" ] ]
+[ Para [ Str "<foo>" ]
+, Para [ Code ( "" , [ "sample" ] , [] ) "x" ]
+, Para [ Span ( "" , [ "kbd" ] , [] ) [ Str "x" ] ]
+, Para [ Code ( "" , [ "variable" ] , [] ) "x" ]
+, Para
+    [ Span
+        ( "" , [ "mark" ] , [] )
+        [ Str "This"
+        , Space
+        , Str "is"
+        , Space
+        , Emph [ Str "highlighted" ]
+        ]
+    ]
+]
 ```