Removed Text.Pandoc.Groff.

Moved groffEscape function to Text.Pandoc.Writers.Shared.
[API change, since T.P.W.S is exported.]

3 files changed, 11 insertions, 2 deletions

diff --git a/src/Text/Pandoc/Writers/Man.hs b/src/Text/Pandoc/Writers/Man.hs
index c37d13841..81fa38bd7 100644
--- a/src/Text/Pandoc/Writers/Man.hs
+++ b/src/Text/Pandoc/Writers/Man.hs
@@ -45,7 +45,6 @@ import Text.Pandoc.Logging
 import Text.Pandoc.Options
 import Text.Pandoc.Pretty
 import Text.Pandoc.Shared
-import Text.Pandoc.Groff (groffEscape)
 import Text.Pandoc.Templates
 import Text.Pandoc.Writers.Math
 import Text.Pandoc.Writers.Shared
diff --git a/src/Text/Pandoc/Writers/Ms.hs b/src/Text/Pandoc/Writers/Ms.hs
index 5eda77233..9a35a9693 100644
--- a/src/Text/Pandoc/Writers/Ms.hs
+++ b/src/Text/Pandoc/Writers/Ms.hs
@@ -60,7 +60,6 @@ import Text.Pandoc.Shared
 import Text.Pandoc.Templates
 import Text.Pandoc.Writers.Math
 import Text.Pandoc.Writers.Shared
-import Text.Pandoc.Groff (groffEscape)
 import Text.Printf (printf)
 import Text.TeXMath (writeEqn)
 
diff --git a/src/Text/Pandoc/Writers/Shared.hs b/src/Text/Pandoc/Writers/Shared.hs
index 438a35ca4..ccf39c3c8 100644
--- a/src/Text/Pandoc/Writers/Shared.hs
+++ b/src/Text/Pandoc/Writers/Shared.hs
@@ -44,6 +44,7 @@ module Text.Pandoc.Writers.Shared (
                      , gridTable
                      , metaValueToInlines
                      , stripLeadingTrailingSpace
+                     , groffEscape
                      )
 where
 import Prelude
@@ -63,6 +64,8 @@ import Text.Pandoc.Pretty
 import Text.Pandoc.Walk (query)
 import Text.Pandoc.UTF8 (toStringLazy)
 import Text.Pandoc.XML (escapeStringForXML)
+import Text.Printf (printf)
+import Data.Char (isAscii, ord)
 
 -- | Create JSON value for template from a 'Meta' and an association list
 -- of variables, specified at the command line or in the writer.
@@ -340,3 +343,11 @@ metaValueToInlines (MetaInlines ils) = ils
 metaValueToInlines (MetaBlocks bs)   = query return bs
 metaValueToInlines (MetaBool b)      = [Str $ show b]
 metaValueToInlines _                 = []
+
+-- | Escape non-ASCII characters using groff \u[..] sequences.
+groffEscape :: T.Text -> T.Text
+groffEscape = T.concatMap toUchar
+  where toUchar c
+         | isAscii c = T.singleton c
+         | otherwise = T.pack $ printf "\\[u%04X]" (ord c)
+