From adad3c70b6d68563f2dad5136705fcaa33d719ea Mon Sep 17 00:00:00 2001
From: John MacFarlane <jgm@berkeley.edu>
Date: Wed, 6 Nov 2019 09:06:49 -0800
Subject: Allow singular input-file in defaults file.

Closes #5877.
---
 MANUAL.txt                 | 1 +
 src/Text/Pandoc/App/Opt.hs | 4 ++++
 2 files changed, 5 insertions(+)

diff --git a/MANUAL.txt b/MANUAL.txt
index fedb147b1..2e37d62a0 100644
--- a/MANUAL.txt
+++ b/MANUAL.txt
@@ -1436,6 +1436,7 @@ output-file:
 input-files:
 - preface.md
 - content.md
+# or you may use input-file: with a single value
 
 template: letter
 standalone: true
diff --git a/src/Text/Pandoc/App/Opt.hs b/src/Text/Pandoc/App/Opt.hs
index a93b2a212..6db397147 100644
--- a/src/Text/Pandoc/App/Opt.hs
+++ b/src/Text/Pandoc/App/Opt.hs
@@ -194,6 +194,10 @@ doOpt (k',v) = do
       parseYAML v >>= \x -> return (\o -> o{ optOutputFile = unpack <$> x })
     "input-files" ->
       parseYAML v >>= \x -> return (\o -> o{ optInputFiles = map unpack x })
+    "input-file" -> -- allow either a list or a single value
+      (parseYAML v >>= \x -> return (\o -> o{ optInputFiles = map unpack x }))
+      <|>
+      (parseYAML v >>= \x -> return (\o -> o{ optInputFiles = [unpack x] }))
     "number-sections" ->
       parseYAML v >>= \x -> return (\o -> o{ optNumberSections = x })
     "number-offset" ->
-- 
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