Use 'fig:' instead of '\SOH' in title to indicate figure.

Revises 1a4b47e933

src/Text/Pandoc/Readers/Markdown.hs

@@ -783,9 +783,9 @@ para = try $ do
               case B.toList result' of
                    [Image alt (src,tit)]
                      | Ext_implicit_figures `Set.member` exts ->
-                        -- the \1 at beginning of title indicates a figure
+                        -- the fig: at beginning of title indicates a figure
                         return $ B.para $ B.singleton
-                               $ Image alt (src,'\1':tit)
+                               $ Image alt (src,'f':'i':'g':':':tit)
                    _ -> return $ B.para result'
 
 plain :: MarkdownParser (F Blocks)

src/Text/Pandoc/Writers/AsciiDoc.hs

@@ -116,7 +116,7 @@ blockToAsciiDoc _ Null = return empty
 blockToAsciiDoc opts (Plain inlines) = do
   contents <- inlineListToAsciiDoc opts inlines
   return $ contents <> cr
-blockToAsciiDoc opts (Para [Image alt (src,'\1':tit)]) =
+blockToAsciiDoc opts (Para [Image alt (src,'f':'i':'g':':':tit)]) =
   blockToAsciiDoc opts (Para [Image alt (src,tit)])
 blockToAsciiDoc opts (Para inlines) = do
   contents <- inlineListToAsciiDoc opts inlines

src/Text/Pandoc/Writers/ConTeXt.hs

@@ -131,8 +131,8 @@ blockToConTeXt :: Block
                -> State WriterState Doc
 blockToConTeXt Null = return empty
 blockToConTeXt (Plain lst) = inlineListToConTeXt lst
--- title beginning with \1 indicates that the image is a figure
-blockToConTeXt (Para [Image txt (src,'\1':_)]) = do
+-- title beginning with fig: indicates that the image is a figure
+blockToConTeXt (Para [Image txt (src,'f':'i':'g':':':_)]) = do
   capt <- inlineListToConTeXt txt
   return $ blankline $$ "\\placefigure[here,nonumber]" <> braces capt <>
            braces ("\\externalfigure" <> brackets (text src)) <> blankline

src/Text/Pandoc/Writers/Docbook.hs

@@ -144,8 +144,8 @@ blockToDocbook :: WriterOptions -> Block -> Doc
 blockToDocbook _ Null = empty
 blockToDocbook _ (Header _ _ _) = empty -- should not occur after hierarchicalize
 blockToDocbook opts (Plain lst) = inlinesToDocbook opts lst
--- title beginning with \1 indicates that the image is a figure
-blockToDocbook opts (Para [Image txt (src,'\1':_)]) =
+-- title beginning with fig: indicates that the image is a figure
+blockToDocbook opts (Para [Image txt (src,'f':'i':'g':':':_)]) =
   let alt  = inlinesToDocbook opts txt
       capt = if null txt
                 then empty

src/Text/Pandoc/Writers/Docx.hs

@@ -347,8 +347,8 @@ blockToOpenXML opts (Header lev (ident,_,_) lst) = do
   let bookmarkEnd = mknode "w:bookmarkEnd" [("w:id", id')] ()
   return $ [bookmarkStart] ++ contents ++ [bookmarkEnd]
 blockToOpenXML opts (Plain lst) = blockToOpenXML opts (Para lst)
--- title beginning with \1 indicates that the image is a figure
-blockToOpenXML opts (Para [Image alt (src,'\1':tit)]) = do
+-- title beginning with fig: indicates that the image is a figure
+blockToOpenXML opts (Para [Image alt (src,'f':'i':'g':':':tit)]) = do
   paraProps <- getParaProps
   contents <- inlinesToOpenXML opts [Image alt (src,tit)]
   captionNode <- withParaProp (pStyle "ImageCaption")

src/Text/Pandoc/Writers/FB2.hs

@@ -316,8 +316,8 @@ linkID i = "l" ++ (show i)
 blockToXml :: Block -> FBM [Content]
 blockToXml (Plain ss) = cMapM toXml ss  -- FIXME: can lead to malformed FB2
 blockToXml (Para [Math DisplayMath formula]) = insertMath NormalImage formula
--- title beginning with \1 indicates that the image is a figure
-blockToXml (Para [Image alt (src,'\1':tit)]) =
+-- title beginning with fig: indicates that the image is a figure
+blockToXml (Para [Image alt (src,'f':'i':'g':':':tit)]) =
   insertImage NormalImage (Image alt (src,tit))
 blockToXml (Para ss) = liftM (list . el "p") $ cMapM toXml ss
 blockToXml (CodeBlock _ s) = return . spaceBeforeAfter .

src/Text/Pandoc/Writers/HTML.hs

@@ -392,8 +392,8 @@ treatAsImage fp =
 blockToHtml :: WriterOptions -> Block -> State WriterState Html
 blockToHtml _ Null = return mempty
 blockToHtml opts (Plain lst) = inlineListToHtml opts lst
--- title beginning with \1 indicates that the image is a figure
-blockToHtml opts (Para [Image txt (s,'\1':tit)]) = do
+-- title beginning with fig: indicates that the image is a figure
+blockToHtml opts (Para [Image txt (s,'f':'i':'g':':':tit)]) = do
   img <- inlineToHtml opts (Image txt (s,tit))
   let tocapt = if writerHtml5 opts
                   then H5.figcaption

src/Text/Pandoc/Writers/LaTeX.hs

@@ -277,8 +277,8 @@ blockToLaTeX :: Block     -- ^ Block to convert
              -> State WriterState Doc
 blockToLaTeX Null = return empty
 blockToLaTeX (Plain lst) = inlineListToLaTeX lst
--- title beginning with \1 indicates that the image is a figure
-blockToLaTeX (Para [Image txt (src,'\1':tit)]) = do
+-- title beginning with fig: indicates that the image is a figure
+blockToLaTeX (Para [Image txt (src,'f':'i':'g':':':tit)]) = do
   capt <- if null txt
              then return empty
              else (\c -> "\\caption" <> braces c) `fmap` inlineListToLaTeX txt

src/Text/Pandoc/Writers/Markdown.hs

@@ -246,8 +246,8 @@ blockToMarkdown _ Null = return empty
 blockToMarkdown opts (Plain inlines) = do
   contents <- inlineListToMarkdown opts inlines
   return $ contents <> cr
--- title beginning with \1 indicates figure
-blockToMarkdown opts (Para [Image alt (src,'\1':tit)]) =
+-- title beginning with fig: indicates figure
+blockToMarkdown opts (Para [Image alt (src,'f':'i':'g':':':tit)]) =
   blockToMarkdown opts (Para [Image alt (src,tit)])
 blockToMarkdown opts (Para inlines) = do
   contents <- inlineListToMarkdown opts inlines

src/Text/Pandoc/Writers/MediaWiki.hs

@@ -81,8 +81,8 @@ blockToMediaWiki _ Null = return ""
 blockToMediaWiki opts (Plain inlines) =
   inlineListToMediaWiki opts inlines
 
--- title beginning with \1 indicates that the image is a figure
-blockToMediaWiki opts (Para [Image txt (src,'\1':tit)]) = do
+-- title beginning with fig: indicates that the image is a figure
+blockToMediaWiki opts (Para [Image txt (src,'f':'i':'g':':':tit)]) = do
   capt <- if null txt
              then return ""
              else ("|caption " ++) `fmap` inlineListToMediaWiki opts txt

src/Text/Pandoc/Writers/Org.hs

@@ -114,8 +114,8 @@ blockToOrg :: Block         -- ^ Block element
            -> State WriterState Doc
 blockToOrg Null = return empty
 blockToOrg (Plain inlines) = inlineListToOrg inlines
--- title beginning with \1 indicates that the image is a figure
-blockToOrg (Para [Image txt (src,'\1':tit)]) = do
+-- title beginning with fig: indicates that the image is a figure
+blockToOrg (Para [Image txt (src,'f':'i':'g':':':tit)]) = do
   capt <- if null txt
              then return empty
              else (\c -> "#+CAPTION: " <> c <> blankline) `fmap`

src/Text/Pandoc/Writers/RST.hs

@@ -148,8 +148,8 @@ blockToRST :: Block         -- ^ Block element
            -> State WriterState Doc
 blockToRST Null = return empty
 blockToRST (Plain inlines) = inlineListToRST inlines
--- title beginning with \1 indicates that the image is a figure
-blockToRST (Para [Image txt (src,'\1':tit)]) = do
+-- title beginning with fig: indicates that the image is a figure
+blockToRST (Para [Image txt (src,'f':'i':'g':':':tit)]) = do
   capt <- inlineListToRST txt
   let fig = "figure:: " <> text src
   let alt = ":alt: " <> if null tit then capt else text tit

src/Text/Pandoc/Writers/Texinfo.hs

@@ -126,8 +126,8 @@ blockToTexinfo Null = return empty
 blockToTexinfo (Plain lst) =
   inlineListToTexinfo lst
 
--- title beginning with \1 indicates that the image is a figure
-blockToTexinfo (Para [Image txt (src,'\1':tit)]) = do
+-- title beginning with fig: indicates that the image is a figure
+blockToTexinfo (Para [Image txt (src,'f':'i':'g':':':tit)]) = do
   capt <- if null txt
              then return empty
              else (\c -> text "@caption" <> braces c) `fmap`

src/Text/Pandoc/Writers/Textile.hs

@@ -101,8 +101,8 @@ blockToTextile _ Null = return ""
 blockToTextile opts (Plain inlines) =
   inlineListToTextile opts inlines
 
--- title beginning with \1 indicates that the image is a figure
-blockToTextile opts (Para [Image txt (src,'\1':tit)]) = do
+-- title beginning with fig: indicates that the image is a figure
+blockToTextile opts (Para [Image txt (src,'f':'i':'g':':':tit)]) = do
   capt <- blockToTextile opts (Para txt)
   im <- inlineToTextile opts (Image txt (src,tit))
   return $ im ++ "\n" ++ capt

tests/testsuite.native

@@ -384,7 +384,7 @@ Pandoc (Meta {docTitle = [Str "Pandoc",Space,Str "Test",Space,Str "Suite"], docA
 ,HorizontalRule
 ,Header 1 ("images",[],[]) [Str "Images"]
 ,Para [Str "From",Space,Quoted DoubleQuote [Str "Voyage",Space,Str "dans",Space,Str "la",Space,Str "Lune"],Space,Str "by",Space,Str "Georges",Space,Str "Melies",Space,Str "(1902):"]
-,Para [Image [Str "lalune"] ("lalune.jpg","\SOHVoyage dans la Lune")]
+,Para [Image [Str "lalune"] ("lalune.jpg","fig:Voyage dans la Lune")]
 ,Para [Str "Here",Space,Str "is",Space,Str "a",Space,Str "movie",Space,Image [Str "movie"] ("movie.jpg",""),Space,Str "icon."]
 ,HorizontalRule
 ,Header 1 ("footnotes",[],[]) [Str "Footnotes"]

tests/writer.native

@@ -384,7 +384,7 @@ Pandoc (Meta {docTitle = [Str "Pandoc",Space,Str "Test",Space,Str "Suite"], docA
 ,HorizontalRule
 ,Header 1 ("images",[],[]) [Str "Images"]
 ,Para [Str "From",Space,Quoted DoubleQuote [Str "Voyage",Space,Str "dans",Space,Str "la",Space,Str "Lune"],Space,Str "by",Space,Str "Georges",Space,Str "Melies",Space,Str "(1902):"]
-,Para [Image [Str "lalune"] ("lalune.jpg","\SOHVoyage dans la Lune")]
+,Para [Image [Str "lalune"] ("lalune.jpg","fig:Voyage dans la Lune")]
 ,Para [Str "Here",Space,Str "is",Space,Str "a",Space,Str "movie",Space,Image [Str "movie"] ("movie.jpg",""),Space,Str "icon."]
 ,HorizontalRule
 ,Header 1 ("footnotes",[],[]) [Str "Footnotes"]