Use latest tagsoup.

This fixes a bug in parsing tags with `&` following.

Closes #4094.  Closes #4088.

pandoc.cabal

@@ -317,7 +317,7 @@ library
                  pandoc-types >= 1.17.3 && < 1.18,
                  aeson >= 0.7 && < 1.3,
                  aeson-pretty >= 0.8 && < 0.9,
-                 tagsoup >= 0.13.7 && < 0.15,
+                 tagsoup >= 0.14.2 && < 0.15,
                  base64-bytestring >= 0.1 && < 1.1,
                  zlib >= 0.5 && < 0.7,
                  skylighting >= 0.4.4.1 && < 0.5,

stack.pkg.yaml

@@ -23,6 +23,7 @@ extra-deps:
 - tasty-quickcheck-0.9.1
 - hs-bibutils-6.2.0.1
 - doctemplates-0.2.1
-- haddock-library-1.4.3
 - pandoc-citeproc-0.12.1
-resolver: lts-9.9
+- haddock-library-1.4.3
+- tagsoup-0.14.2
+resolver: lts-9.14

stack.yaml

@@ -17,4 +17,5 @@ extra-deps:
 - tasty-quickcheck-0.9.1
 - doctemplates-0.2.1
 - haddock-library-1.4.3
-resolver: lts-9.9
+- tagsoup-0.14.2
+resolver: lts-9.14