test: document intentional raw-HTML drop in the Typst renderer

CHANGELOG.md

@@ -8,6 +8,10 @@ same stability guarantee.
 
 ## [Unreleased]
 
+## [0.7.4] — 2026-07-03
+
+## [0.7.3] — 2026-07-03
+
 ## [0.7.2] — 2026-07-03
 
 ### Fixed

build.zig.zon

@@ -9,7 +9,7 @@
     .name = .zigmark,
     // This is a [Semantic Version](https://semver.org/).
     // In a future version of Zig it will be used for package deduplication.
-    .version = "0.7.2",
+    .version = "0.7.4",
     // Together with name, this represents a globally unique package
     // identifier. This field is generated by the Zig toolchain when the
     // package is first created, and then *never changes*. This allows

src/markdown/renderers/typst.zig

@@ -899,6 +899,18 @@ test "special char escaping" {
     try ok("a $ b", "a \\$ b\n\n");
 }
 
+test "raw HTML is intentionally dropped (no Typst equivalent)" {
+    // Downstream (sc2in/policypress#117) relies on this: its build pre-flight
+    // flags raw HTML in policy bodies precisely because this renderer omits it
+    // while the HTML renderer keeps it, so the site and the PDF would diverge.
+    // If this behaviour ever changes, that validation rule should be revisited.
+    //
+    // Block HTML (`<div>` starts a type-6 HTML block) is dropped whole.
+    try ok("<div class=\"note\">\nhidden\n</div>", "");
+    // Inline HTML drops only the tags; the enclosed text survives as text.
+    try ok("before <span>kept</span> after", "before kept after\n\n");
+}
+
 fn okMermaid(src: []const u8, mfn: ?*const fn (std.mem.Allocator, []const u8) anyerror![]const u8, expected: []const u8) !void {
     const allocator = tst.allocator;
     var parser = Parser.init();