[md] when parsing frontmatter anchor to the start of the string

tstack · tstack · commit 86cdda3cff05 · 2026-03-03T21:49:34.000-08:00
diff --git a/src/md4cpp.cc b/src/md4cpp.cc
@@ -170,7 +170,7 @@ file
 parse_file(const std::filesystem::path& src, const string_fragment& sf)
 {
     static const auto FRONTMATTER_RE = lnav::pcre2pp::code::from_const(
-        R"((?:^---\n(.*?)\n---\n|^\+\+\+\n(.*)\n\+\+\+\n))",
+        R"((?:\A^---\n(.*?)\n---\n|\A^\+\+\+\n(.*)\n\+\+\+\n))",
         PCRE2_MULTILINE | PCRE2_DOTALL);
     thread_local auto md = FRONTMATTER_RE.create_match_data();
 

Original file line number	Diff line number	Diff line change
`@@ -170,7 +170,7 @@ file`
`170`	`170`	`parse_file(const std::filesystem::path& src, const string_fragment& sf)`
`171`	`171`	`{`
`172`	`172`	`static const auto FRONTMATTER_RE = lnav::pcre2pp::code::from_const(`
`173`		`- R"((?:^---\n(.?)\n---\n\|^\+\+\+\n(.)\n\+\+\+\n))",`
	`173`	`+ R"((?:\A^---\n(.?)\n---\n\|\A^\+\+\+\n(.)\n\+\+\+\n))",`
`174`	`174`	`PCRE2_MULTILINE \| PCRE2_DOTALL);`
`175`	`175`	`thread_local auto md = FRONTMATTER_RE.create_match_data();`
`176`	`176`