From e3dc8bbab5670b346397bca17d2faa62e0f703e1 Mon Sep 17 00:00:00 2001
From: southerntofu <52931252+southerntofu@users.noreply.github.com>
Date: Wed, 29 Apr 2020 17:40:25 +0000
Subject: [PATCH] Access heading level in anchor-link.html (#1008)

* Add lvl variable in anchor-link context

* Add docs about lvl in anchor-link.html

* Rename lvl => level
---
 components/rendering/src/markdown.rs          | 1 +
 docs/content/documentation/content/linking.md | 7 ++++++-
 2 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/components/rendering/src/markdown.rs b/components/rendering/src/markdown.rs
index 36584206..ba8edfa1 100644
--- a/components/rendering/src/markdown.rs
+++ b/components/rendering/src/markdown.rs
@@ -329,6 +329,7 @@ pub fn markdown_to_html(content: &str, context: &RenderContext) -> Result<Render
                 };
                 let mut c = tera::Context::new();
                 c.insert("id", &id);
+                c.insert("level", &heading_ref.level);
 
                 let anchor_link = utils::templates::render_template(
                     &ANCHOR_LINK_TEMPLATE,
diff --git a/docs/content/documentation/content/linking.md b/docs/content/documentation/content/linking.md
index 9ac2402f..3497fe0a 100644
--- a/docs/content/documentation/content/linking.md
+++ b/docs/content/documentation/content/linking.md
@@ -39,7 +39,12 @@ This option is set at the section level: the `insert_anchor_links` variable on t
 
 The default template is very basic and will need CSS tweaks in your project to look decent.
 If you want to change the anchor template, it can be easily overwritten by
-creating an `anchor-link.html` file in the `templates` directory, which gets an `id` variable.
+creating an `anchor-link.html` file in the `templates` directory.
+
+The anchor link template has the following variables:
+
+- `id`: the heading's id after applying the rules defined by `slugify.anchors`
+- `level`: the heading level (between 1 and 6)
 
 ## Internal links
 Linking to other pages and their headings is so common that Zola adds a