From 46ca68ada34cbe5a932716d62430c6b33b3744b3 Mon Sep 17 00:00:00 2001
From: Alexander Dokuchaev <alexander.dokuchaev@intel.com>
Date: Wed, 28 Feb 2024 05:13:55 +0200
Subject: [PATCH] Fix quotes in headers

---
 md_dead_link_check/preprocess.py | 6 +++---
 tests/test_md_files/a.md         | 2 ++
 tests/test_preprocess.py         | 2 ++
 3 files changed, 7 insertions(+), 3 deletions(-)

diff --git a/md_dead_link_check/preprocess.py b/md_dead_link_check/preprocess.py
index c330db9..9ac9b32 100644
--- a/md_dead_link_check/preprocess.py
+++ b/md_dead_link_check/preprocess.py
@@ -78,9 +78,6 @@ def process_md_file(path: Path, root_dir: Path) -> MarkdownInfo:
             if in_code_block:
                 continue
 
-            # Skip $ and ` tags
-            line = re.sub(RE_SUB, "", line)
-
             # Detect headers
             res = re.match(RE_HEADER, line)
             if res:
@@ -88,6 +85,9 @@ def process_md_file(path: Path, root_dir: Path) -> MarkdownInfo:
                 fragments.append(fragment)
                 continue
 
+            # Skip $ and ` tags
+            line = re.sub(RE_SUB, "", line)
+
             # Detect links
             matches = re.findall(RE_LINK, line)
             if matches:
diff --git a/tests/test_md_files/a.md b/tests/test_md_files/a.md
index d32e4fb..47018ff 100644
--- a/tests/test_md_files/a.md
+++ b/tests/test_md_files/a.md
@@ -28,3 +28,5 @@ Some text
 [b](./b.md) [d.a](b.md) `[A+B](A)`
 [d.a](./d/a.md)
 [d.a](/tests/test_md_files/d/a.md)
+
+### Header with `quotes` and $math$
diff --git a/tests/test_preprocess.py b/tests/test_preprocess.py
index 3667a8d..53c81c5 100644
--- a/tests/test_preprocess.py
+++ b/tests/test_preprocess.py
@@ -30,6 +30,7 @@ def test_find_all_markdowns_in_repo():
         ("Header 1", "header-1"),
         ("C++ ext", "c-ext"),
         ("H_I (H)", "h_i-h"),
+        ("A `quotes` f", "a-quotes-f"),
     ),
 )
 def test_process_header_to_fragment(header, fragment):
@@ -47,6 +48,7 @@ def test_process_md_file():
         "formula",
         "grave",
         "links",
+        "header-with-quotes-and-math",
     ]
 
     ref_links = [