Undo the "Use fromRight" hlint hint.

.hlint.yaml

@@ -104,5 +104,9 @@
       - Text.Pandoc.Readers.Markdown
       - Text.Pandoc.Readers.RST
 
+# fromRight is only in base >= 4.10
+- ignore:
+    name: "Use fromRight"
+
 # Define some custom infix operators
 # - fixity: infixr 3 ~^#^~

src/Text/Pandoc/Writers/Docx.hs

@@ -28,7 +28,6 @@ import Data.Char (isSpace, isLetter)
 import Data.List (intercalate, isPrefixOf, isSuffixOf)
 import Data.String (fromString)
 import qualified Data.Map as M
-import Data.Either (fromRight)
 import Data.Maybe (fromMaybe, isNothing, mapMaybe, maybeToList)
 import qualified Data.Set as Set
 import qualified Data.Text as T
@@ -1403,7 +1402,7 @@ inlineToOpenXML' opts (Image attr@(imgident, _, _) alt (src, title)) = do
     generateImgElt (ident, _, _, img) =
       let
         (xpt,ypt) = desiredSizeInPoints opts attr
-               (fromRight def (imageSize opts img))
+               (either (const def) id (imageSize opts img))
         -- 12700 emu = 1 pt
         (xemu,yemu) = fitToPage (xpt * 12700, ypt * 12700)
                                 (pageWidth * 12700)