From 27b4c21f727ca02228a1fae8f3cdbba74641ede8 Mon Sep 17 00:00:00 2001
From: John MacFarlane <jgm@berkeley.edu>
Date: Thu, 1 Oct 2020 21:55:45 -0700
Subject: Update to lastest citeproc

---
 cabal.project                              | 3 ++-
 src/Text/Pandoc/Citeproc/MetaValue.hs      | 1 +
 stack.yaml                                 | 2 +-
 test/command/biblatex-edtf-date.md         | 1 -
 test/command/pandoc-citeproc-page-range.md | 6 +++---
 5 files changed, 7 insertions(+), 6 deletions(-)

diff --git a/cabal.project b/cabal.project
index aa67d1750..724583eb6 100644
--- a/cabal.project
+++ b/cabal.project
@@ -7,5 +7,6 @@ package pandoc
 source-repository-package
     type: git
     location: https://github.com/jgm/citeproc
-    tag: 1412868a711ad12c2cb5cfc0d6bbba11c7612ce6
+    tag: 342a1d3bc2fcd5b4a1586962aedada5f31db606a
+
 constraints: base16-bytestring < 1
diff --git a/src/Text/Pandoc/Citeproc/MetaValue.hs b/src/Text/Pandoc/Citeproc/MetaValue.hs
index 53b14f904..1b80c879a 100644
--- a/src/Text/Pandoc/Citeproc/MetaValue.hs
+++ b/src/Text/Pandoc/Citeproc/MetaValue.hs
@@ -97,6 +97,7 @@ dateToMetaValue date =
        | y < -1     -> printf "%05d-%02d" (y+1) m
        | otherwise  -> printf "%04d-%02d" y m
       (y:[])
+       | y == 0     -> printf "" -- used for open range
        | y < -1     -> printf "%05d" (y+1)
        | otherwise  -> printf "%04d" y
       _             -> mempty
diff --git a/stack.yaml b/stack.yaml
index a7e664ada..b1d1be078 100644
--- a/stack.yaml
+++ b/stack.yaml
@@ -7,7 +7,7 @@ packages:
 - '.'
 extra-deps:
 - git: https://github.com/jgm/citeproc
-  commit: 1412868a711ad12c2cb5cfc0d6bbba11c7612ce6
+  commit: 342a1d3bc2fcd5b4a1586962aedada5f31db606a
 - pandoc-types-1.22
 - texmath-0.12.0.3
 - rfc5051-0.2
diff --git a/test/command/biblatex-edtf-date.md b/test/command/biblatex-edtf-date.md
index e14a76cb6..68acd821c 100644
--- a/test/command/biblatex-edtf-date.md
+++ b/test/command/biblatex-edtf-date.md
@@ -35,7 +35,6 @@ references:
   issued: '2004-04-05'
   type: 'article-journal'
 - id: 'item5-1'
-  issued: 0000
   type: 'article-journal'
 - id: 'item5-2'
   issued: '-0876'
diff --git a/test/command/pandoc-citeproc-page-range.md b/test/command/pandoc-citeproc-page-range.md
index 5a46c5f03..20d6fa57a 100644
--- a/test/command/pandoc-citeproc-page-range.md
+++ b/test/command/pandoc-citeproc-page-range.md
@@ -24,9 +24,9 @@ Test 2.[^2]
 
 Test 3.[^3]
 
-[^1]: 93--101, <https://johnmacfarlane.net/vagueness.pdf>.
+[^1]: N.d., 93--101, <https://johnmacfarlane.net/vagueness.pdf>.
 
-[^2]: 93--101, <https://pandoc.org>.
+[^2]: N.d., 93--101, <https://pandoc.org>.
 
-[^3]: 93--101, <https://johnmacfarlane.net>.
+[^3]: N.d., 93--101, <https://johnmacfarlane.net>.
 ```
-- 
cgit v1.2.3