From dd1905454b033fcc1fe5e4b39dbcdac9ce82c68b Mon Sep 17 00:00:00 2001
From: Hubert Chathi <hubertc@matrix.org>
Date: Fri, 14 Jan 2022 11:08:58 -0500
Subject: [PATCH] fix doc building.  Thanks to Jonas Smedegaard.

---
 CHANGELOG.rst   |  4 +++-
 Makefile        |  3 +++
 gitlab-math.lua | 17 +++++++++++++++++
 3 files changed, 23 insertions(+), 1 deletion(-)
 create mode 100644 gitlab-math.lua

diff --git a/CHANGELOG.rst b/CHANGELOG.rst
index c953666..c4b8fa9 100644
--- a/CHANGELOG.rst
+++ b/CHANGELOG.rst
@@ -1,5 +1,5 @@
 Changes in `3.2.10 <https://gitlab.matrix.org/matrix-org/olm/tags/3.2.10>`_
-=========================================================================
+===========================================================================
 
 This release includes no change since 3.2.9, but is created to be able to
 publish again the Android library on MavenCentral.
@@ -113,11 +113,13 @@ Changes in `3.1.5 <https://gitlab.matrix.org/matrix-org/olm/tags/3.1.5>`_
 This release includes the following changes since 3.1.4:
 
 * Build improvements:
+
   * Fix CMake handling when installing in a non-standard location. Thanks to
     Alexey Rusakov.
   * Add support in the Makefile for creating a WASM-ready archive. Thanks to
     stoically.
   * Improve support for LLVM is Makefile. Thanks to caywin25 for reporting.
+
 * Add a TypeScript definition file.
 * Some documentation and example fixes.
 * Add list of bindings to the README.
diff --git a/Makefile b/Makefile
index 3995546..ed94974 100644
--- a/Makefile
+++ b/Makefile
@@ -401,6 +401,9 @@ $(BUILD_DIR)/fuzzers/fuzz_%_msan: fuzzing/fuzzers/fuzz_%.cpp $(FUZZER_MSAN_OBJEC
 %.html: %.rst
 	rst2html $< $@
 
+%.html: %.md
+	pandoc --from markdown --to html5 --standalone --lua-filter gitlab-math.lua --katex -o $@ $<
+
 ### dependencies
 
 -include $(RELEASE_OBJECTS:.o=.d)
diff --git a/gitlab-math.lua b/gitlab-math.lua
new file mode 100644
index 0000000..822eca6
--- /dev/null
+++ b/gitlab-math.lua
@@ -0,0 +1,17 @@
+function Math(el)
+    if el.mathtype == "InlineMath" then
+        if el.text:sub(1,1) == '`' and el.text:sub(#el.text) == '`' then
+            local text = el.text:sub(2,#el.text-1)
+            return pandoc.Math(el.mathtype, text)
+        else
+            local cont = pandoc.read(el.text)
+            return { pandoc.Str("$") } .. cont.blocks[1].content .. { pandoc.Str("$") }
+        end
+    end
+end
+
+function CodeBlock(el)
+    if el.classes[1] == "math" then
+        return pandoc.Para({ pandoc.Math("DisplayMath", el.text) })
+    end
+end
\ No newline at end of file