3 files changed, 1 insertions(+), 8 deletions(-)

M src/Typograffiti/Store.hs
M src/Typograffiti/Text.hs
M typograffiti.cabal

@@ 40,12 40,6 @@ import           Typograffiti.Cache
 import           Typograffiti.Text      (GlyphSize(..), drawLinesWrapper, SampleText(..))
 import           Typograffiti.Rich      (RichText(..))
 
--- Since HarfBuzz language bindings neglected to declare these itself.
-deriving instance Eq HB.Variation
-deriving instance Ord HB.Variation
-deriving instance Eq FontOptions
-deriving instance Ord FontOptions
-
 -- | Stored fonts at specific sizes.
 data FontStore n = FontStore {
     fontMap :: TMVar (Map (FilePath, GlyphSize, Int, FontOptions) Font),

@@ 199,7 199,6 @@ drawLinesWrapper indent lineheight cb RichText {..} = do
             splitFeatures (offset + toEnum n) features' lines'
 
     processLine :: Text -> Text
-    processLine "" = " " -- Prevent Harfbuzz from throwing errors.
     processLine cs = expandTabs 0 cs
     -- monospace tabshaping, good enough outside full line-layout.
     expandTabs n cs = case Txt.break (== '\t') cs of

@@ 35,7 35,7 @@ library
       Typograffiti.Rich
   build-depends:       base >=4.12 && <4.13, linear>=1.20, containers >= 0.6,
                         freetype2 >= 0.2, gl >= 0.8, mtl >= 2.2, stm >= 2.5, text,
-                        vector >= 0.12, harfbuzz-pure >= 1.0.1, bytestring >= 0.10
+                        vector >= 0.12, harfbuzz-pure >= 1.0.2, bytestring >= 0.10
   hs-source-dirs:      src
   default-language:    Haskell2010