From fd890124c06b2824fd993991c68922693aa02549 Mon Sep 17 00:00:00 2001
From: Brian Ward <bward@flatironinstitute.org>
Date: Mon, 18 Mar 2024 14:05:48 -0400
Subject: [PATCH] Fix escaping of special characters on index page

---
 gen_index.py                                |  3 ++-
 src/functions-reference/functions_index.qmd | 10 +++++-----
 src/html-index.lua                          |  2 +-
 3 files changed, 8 insertions(+), 7 deletions(-)

diff --git a/gen_index.py b/gen_index.py
index 9b174588a..046309004 100644
--- a/gen_index.py
+++ b/gen_index.py
@@ -52,7 +52,8 @@ def write_index_page(index):
                 letter = start
                 f.write(f"\n## {start.upper()}\n")
 
-            f.write(f"**{name}**:\n\n")
+            escaped_name = name.replace("\\", "\\\\").replace("*", "\\*")
+            f.write(f"**{escaped_name}**:\n\n")
             for link, entry in sorted(links):
                 f.write(f" - [{entry}]({link})\n")
             f.write("\n\n")
diff --git a/src/functions-reference/functions_index.qmd b/src/functions-reference/functions_index.qmd
index 01d3f6c8d..05c4e7e98 100644
--- a/src/functions-reference/functions_index.qmd
+++ b/src/functions-reference/functions_index.qmd
@@ -2464,7 +2464,7 @@ pagetitle: Alphabetical Index
  - [`(row_vector x) : vector`](matrix_operations.qmd#index-entry-e3432686a771bad98175ab4a594d8156ab915492)
 
 
-**operator***:
+**operator\***:
 
  - [`(complex x, complex y) : complex`](complex-valued_basic_functions.qmd#index-entry-e3a6425a4fd372a6a28b66eb58c06245046f87ae)
  - [`(complex_vector x, complex y) : complex_vector`](complex_matrix_operations.qmd#index-entry-23a93f16e6035cc32b84ecf97c32845e9008702c)
@@ -2493,7 +2493,7 @@ pagetitle: Alphabetical Index
  - [`(real x, real y) : real`](real-valued_basic_functions.qmd#index-entry-08f55cee893fdef254457be66b7a82c1d942ad0e)
 
 
-**operator*=**:
+**operator\*=**:
 
  - [`(complex x, complex y) : void`](complex-valued_basic_functions.qmd#index-entry-0c45a357fc47d9ccf6a7fb7780ee7d1ada6cc2bd)
  - [`(T x, U y) : void`](compound_arithmetic_and_assignment.qmd#index-entry-518f24c806ec47af7c7aa48506a1cd57ef3676df)
@@ -2578,7 +2578,7 @@ pagetitle: Alphabetical Index
  - [`(T x, U y) : void`](compound_arithmetic_and_assignment.qmd#index-entry-e3beea1794e1e8704ae6177a2392b78fccebd4d4)
 
 
-**operator.***:
+**operator.\***:
 
  - [`(complex_row_vector x, complex_row_vector y) : complex_row_vector`](complex_matrix_operations.qmd#index-entry-8225aa3a59b24f94b5efa4533b49050ef65e64ca)
  - [`(complex_matrix x, complex_matrix y) : complex_matrix`](complex_matrix_operations.qmd#index-entry-8eb7c34b5da648cda9b6f992d4218d023c05d1da)
@@ -2588,7 +2588,7 @@ pagetitle: Alphabetical Index
  - [`(vector x, vector y) : vector`](matrix_operations.qmd#index-entry-f6b9c926ae8c20a429454fbfd788a05c447ca21f)
 
 
-**operator.*=**:
+**operator.\*=**:
 
  - [`(T x, U y) : void`](compound_arithmetic_and_assignment.qmd#index-entry-549243a6af6a91c078444182753a8e8f435862e3)
 
@@ -2701,7 +2701,7 @@ pagetitle: Alphabetical Index
  - [`(int x, int y) : int`](real-valued_basic_functions.qmd#index-entry-9d2656ef1df47087d225d2cfd011938c49677d09)
 
 
-**operator\**:
+**operator\\**:
 
  - [`(matrix A, matrix B) : matrix`](matrix_operations.qmd#index-entry-1a08f375cfc4067e97bfed98fae8490e8b6f0698)
  - [`(matrix A, vector b) : vector`](matrix_operations.qmd#index-entry-fc754907294117fa562e6fcaf1b8afcf0d2efabd)
diff --git a/src/html-index.lua b/src/html-index.lua
index 20a34c64c..14d257d53 100644
--- a/src/html-index.lua
+++ b/src/html-index.lua
@@ -5,7 +5,7 @@
 -- to create a clickable index of all the functions in the documentation
 
 function extractIndexEntry(elementText)
-  if elementText:find(";-->$") ~= nil then
+  if elementText:find("%; %-%-%>$") ~= nil then
     return "index-entry-" .. tostring(pandoc.sha1(elementText))
   end
   return nil