Changed Ext_autolink_urls -> Ext_autolink_bare_uris.

Added tests.

README

@@ -2342,8 +2342,8 @@ Note that the pandoc document model does not support
 abbreviations, so if this extension is enabled, abbreviation keys are
 simply skipped (as opposed to being parsed as paragraphs).
 
-**Extension: `autolink_urls`**\
-Makes all absolute URLs into links, even when not surrounded by
+**Extension: `autolink_bare_uris`**\
+Makes all absolute URIs into links, even when not surrounded by
 pointy braces `<...>`.
 
 Producing slide shows with Pandoc

src/Text/Pandoc/Options.hs

@@ -76,7 +76,7 @@ data Extension =
     | Ext_markdown_attribute      -- ^ Interpret text inside HTML as markdown
                                   --   iff container has attribute 'markdown'
     | Ext_escaped_line_breaks     -- ^ Treat a backslash at EOL as linebreak
-    | Ext_autolink_urls       -- ^ Make all absolute URLs into links
+    | Ext_autolink_bare_uris  -- ^ Make all absolute URIs into links
     | Ext_fancy_lists         -- ^ Enable fancy list numbers and delimiters
     | Ext_startnum            -- ^ Make start number of ordered list significant
     | Ext_definition_lists    -- ^ Definition lists as in pandoc, mmd, php
@@ -159,7 +159,7 @@ githubMarkdownExtensions = Set.fromList
   , Ext_fenced_code_blocks
   , Ext_fenced_code_attributes
   , Ext_backtick_code_blocks
-  , Ext_autolink_urls
+  , Ext_autolink_bare_uris
   , Ext_intraword_underscores
   , Ext_strikeout
   , Ext_hard_line_breaks

src/Text/Pandoc/Parsing.hs

@@ -212,7 +212,7 @@ notFollowedBy' p  = try $ join $  do  a <- try p
 -- (This version due to Andrew Pimlott on the Haskell mailing list.)
 
 oneOfStrings' :: (Char -> Char -> Bool) -> [String] -> Parser [Char] st String
-oneOfStrings' matches []   = fail "no strings"
+oneOfStrings' _ []   = fail "no strings"
 oneOfStrings' matches strs = try $ do
   c <- anyChar
   let strs' = [xs | (x:xs) <- strs, x `matches` c]
@@ -392,10 +392,13 @@ schemes = ["coap","doi","javascript","aaa","aaas","about","acap","cap","cid",
            "ventrilo","view-source","webcal","wtai","wyciwyg","xfire","xri",
            "ymsgr"]
 
+uriScheme :: Parser [Char] st String
+uriScheme = oneOfStringsCI schemes
+
 -- | Parses a URI. Returns pair of original and URI-escaped version.
 uri :: Parser [Char] st (String, String)
 uri = try $ do
-  scheme <- oneOfStringsCI schemes
+  scheme <- uriScheme
   char ':'
   -- /^[\/\w\u0080-\uffff]+|%[A-Fa-f0-9]+|&#?\w+;|(?:[,]+|[\S])[%&~\w\u0080-\uffff]/
   -- We allow punctuation except at the end, since

src/Text/Pandoc/Readers/Markdown.hs

@@ -1543,7 +1543,7 @@ referenceLink constructor (lab, raw) = do
 
 bareURL :: MarkdownParser (F Inlines)
 bareURL = try $ do
-  guardEnabled Ext_autolink_urls
+  guardEnabled Ext_autolink_bare_uris
   (orig, src) <- uri <|> emailAddress
   return $ return $ B.link src "" (B.str orig)
 

tests/Tests/Readers/Markdown.hs

@@ -24,7 +24,7 @@ infix 4 =:
 testBareLink :: (String, Inlines) -> Test
 testBareLink (inp, ils) =
   test (readMarkdown def{ readerExtensions =
-             Set.fromList [Ext_autolink_urls] })
+             Set.fromList [Ext_autolink_bare_uris] })
        inp (inp, doc $ para ils)
 
 autolink :: String -> Inlines