Compile against pandoc-types 1.18.*.

pandoc.cabal

@@ -270,7 +270,7 @@ Library
                  xml >= 1.3.12 && < 1.4,
                  random >= 1 && < 1.2,
                  extensible-exceptions >= 0.1 && < 0.2,
-                 pandoc-types >= 1.17 && < 1.18,
+                 pandoc-types >= 1.18 && < 1.19,
                  aeson >= 0.7 && < 1.2,
                  tagsoup >= 0.13.7 && < 0.15,
                  base64-bytestring >= 0.1 && < 1.1,
@@ -426,7 +426,7 @@ Library
 
 Executable pandoc
   Build-Depends: pandoc,
-                 pandoc-types >= 1.17 && < 1.18,
+                 pandoc-types >= 1.18 && < 1.19,
                  base >= 4.2 && <5,
                  directory >= 1.2 && < 1.4,
                  filepath >= 1.1 && < 1.5,
@@ -504,7 +504,7 @@ Test-Suite test-pandoc
   Build-Depends:  base >= 4.2 && < 5,
                   syb >= 0.1 && < 0.7,
                   pandoc,
-                  pandoc-types >= 1.17 && < 1.18,
+                  pandoc-types >= 1.18 && < 1.19,
                   bytestring >= 0.9 && < 0.11,
                   text >= 0.11 && < 1.3,
                   directory >= 1 && < 1.4,

stack.yaml

@@ -7,8 +7,13 @@ flags:
     network-uri: true
 packages:
 - '.'
+- location:
+    git: https://github.com/jgm/pandoc-types.git
+    commit: 973394685aad945ccd92a86bf76e5c644e72e127
+- location:
+    git: https://github.com/jgm/texmath.git
+    commit: 31273683a376e97848028e4619f28ab8c03c88af
 extra-deps:
-- texmath-0.9
 - doctemplates-0.1.0.2
 - pandoc-types-1.17.0.4
 - skylighting-0.1.1.1