From 17b85bbb08aeb10f92553ded1c2b9cfd8685b7b2 Mon Sep 17 00:00:00 2001
From: Stephan Lachnit <stephanlachnit@debian.org>
Date: Sat, 8 Oct 2022 10:43:41 +0200
Subject: [PATCH] Use user-defined delimiters for GLFM math blocks

Signed-off-by: Stephan Lachnit <stephanlachnit@debian.org>
---
 .../_default/_markup/render-codeblock-math.html | 17 +++++++++++++++--
 1 file changed, 15 insertions(+), 2 deletions(-)

diff --git a/layouts/_default/_markup/render-codeblock-math.html b/layouts/_default/_markup/render-codeblock-math.html
index 149a1ae188..831b9a2f6b 100644
--- a/layouts/_default/_markup/render-codeblock-math.html
+++ b/layouts/_default/_markup/render-codeblock-math.html
@@ -1,3 +1,16 @@
-<p>$$
+{{/* set default delimiters */}}
+{{ $delimiter_left := "$$" }}
+{{ $delimiter_right := "$$" }}
+
+{{/* override delimiters if set in config file */}}
+{{ with $.Page.Site.Params.katex.options.delimiters }}
+  {{ range first 1 ( where . "display" true ) }}
+    {{ $delimiter_left = index . "left" }}
+    {{ $delimiter_right = index . "right" }}
+  {{ end }}
+{{end}}
+
+{{/* output of equation */}}
+<p>{{ $delimiter_left }}
 {{ .Inner | safeHTML }}
-$$</p>
+{{ $delimiter_right }}</p>