From ac45f783c74e4397ccb28b09ece5d6d11baa053c Mon Sep 17 00:00:00 2001
From: Henrik Askjer <henrik.askjer@uib.no>
Date: Mon, 6 Dec 2021 13:58:08 +0100
Subject: [PATCH] fix incorrect index for hgno

---
 src/components/Header.vue | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/components/Header.vue b/src/components/Header.vue
index c623485f..85402414 100644
--- a/src/components/Header.vue
+++ b/src/components/Header.vue
@@ -77,7 +77,9 @@ export default {
       let hgnos = []
       this.lemmas.forEach(lemma => {
         let hgint = parseInt(lemma.hgno)
-        hgnos.push(["I","II","III","IV", "V", "VI", "VII", "VIII", "IX", "X", "XI", "XII", "XIII", "XIV", "XV", "XVI"][hgint])
+        if (hgint > 0) {
+          hgnos.push(["I","II","III","IV", "V", "VI", "VII", "VIII", "IX", "X", "XI", "XII", "XIII", "XIV", "XV", "XVI"][hgint-1])
+          }
       })
       return hgnos.join(", ")
     },
-- 
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