From c40857b38905b9ea298a777354eb4cb0da2213c6 Mon Sep 17 00:00:00 2001
From: John MacFarlane <jgm@berkeley.edu>
Date: Mon, 16 Oct 2017 22:03:57 -0700
Subject: Improved handling of include files in LaTeX reader.

Previously `\include` wouldn't work if the included file
contained, e.g., a begin without a matching end.

We've changed the Tok type so that it stores a full SourcePos,
rather than just a line and column.  So tokens keeep track
of the file they came from. This allows us to use a simpler
method for includes, which doesn't require parsing the included
document as a whole.

Closes #3971.
---
 src/Text/Pandoc/Readers/LaTeX/Types.hs | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

(limited to 'src/Text/Pandoc/Readers/LaTeX')

diff --git a/src/Text/Pandoc/Readers/LaTeX/Types.hs b/src/Text/Pandoc/Readers/LaTeX/Types.hs
index 2bef3cb1a..9e441714d 100644
--- a/src/Text/Pandoc/Readers/LaTeX/Types.hs
+++ b/src/Text/Pandoc/Readers/LaTeX/Types.hs
@@ -31,17 +31,17 @@ module Text.Pandoc.Readers.LaTeX.Types ( Tok(..)
                                        , TokType(..)
                                        , Macro(..)
                                        , ExpansionPoint(..)
-                                       , Line
-                                       , Column )
+                                       , SourcePos
+                                       )
 where
 import Data.Text (Text)
-import Text.Parsec.Pos (Line, Column)
+import Text.Parsec.Pos (SourcePos)
 
 data TokType = CtrlSeq Text | Spaces | Newline | Symbol | Word | Comment |
                Esc1    | Esc2   | Arg Int
      deriving (Eq, Ord, Show)
 
-data Tok = Tok (Line, Column) TokType Text
+data Tok = Tok SourcePos TokType Text
      deriving (Eq, Ord, Show)
 
 data ExpansionPoint = ExpandWhenDefined | ExpandWhenUsed
-- 
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