RST reader: fix handling of header in CSV tables.

The interpretation of this line is not affected
by the delim option. Closes #7064.

src/Text/Pandoc/Readers/RST.hs

@@ -877,10 +877,11 @@ csvTableDirective top fields rawcsv = do
                     (bs, _) <- fetchItem u
                     return $ UTF8.toText bs
                   Nothing -> return rawcsv
-  let res = parseCSV opts (case explicitHeader of
-                              Just h  -> h <> "\n" <> rawcsv'
-                              Nothing -> rawcsv')
-  case res of
+  let header' = case explicitHeader of
+                  Just h  -> parseCSV defaultCSVOptions h
+                  Nothing -> Right []
+  let res = parseCSV opts rawcsv'
+  case (<>) <$> header' <*> res of
        Left e  ->
          throwError $ PandocParsecError "csv table" e
        Right rawrows -> do

test/command/7064.md

@@ -0,0 +1,32 @@
+```
+% pandoc -f rst -t html
+.. csv-table:: Changes
+    :header: "Version", "Date", "Description"
+    :widths: 15, 15, 70
+    :delim: $
+
+    0.1.0 $ 18/02/2013 $ Initial Release
+^D
+<table>
+<caption>Changes</caption>
+<colgroup>
+<col style="width: 15%" />
+<col style="width: 15%" />
+<col style="width: 70%" />
+</colgroup>
+<thead>
+<tr class="header">
+<th>Version</th>
+<th>Date</th>
+<th>Description</th>
+</tr>
+</thead>
+<tbody>
+<tr class="odd">
+<td>0.1.0</td>
+<td>18/02/2013</td>
+<td>Initial Release</td>
+</tr>
+</tbody>
+</table>
+```