Fix converting self-closing br tags

Sources/HTMLStreamer/AttributedStringConverter.swift

@@ -58,10 +58,7 @@ public struct AttributedStringConverter<Callbacks: AttributedStringCallbacks> {
             case .startTag(let name, let selfClosing, let attributes):
                 let action = Callbacks.elementAction(name: name, attributes: attributes)
                 actionStack.append(action)
-                // self closing tags are ignored since they have no content
-                if !selfClosing {
-                    handleStartTag(name, attributes: attributes)
-                }
+                handleStartTag(name, selfClosing: selfClosing, attributes: attributes)
             case .endTag(let name):
                 handleEndTag(name)
                 // if we have a non-default action for the current element, the run finishes here
@@ -80,10 +77,17 @@ public struct AttributedStringConverter<Callbacks: AttributedStringCallbacks> {
         return str
     }
     
-    private mutating func handleStartTag(_ name: String, attributes: [HTMLStreamer.Attribute]) {
-        switch name {
-        case "br":
+    private mutating func handleStartTag(_ name: String, selfClosing: Bool, attributes: [HTMLStreamer.Attribute]) {
+        if name == "br" {
             currentRun.append("\n")
+            return
+        }
+        // self closing tags are ignored since they have no content
+        guard !selfClosing else {
+            return
+        }
+        
+        switch name {
         case "a":
             // we need to always insert in attribute, because we need to always have one
             // to remove from the stack in handleEndTag
@@ -195,7 +199,6 @@ public struct AttributedStringConverter<Callbacks: AttributedStringCallbacks> {
     private mutating func finishBlockElement() {
         if str.length != 0 {
             previouslyFinishedBlockElement = true
-//            currentRun.append("\n\n")
         }
     }
     

Tests/HTMLStreamerTests/AttributedStringConverterTests.swift

@@ -57,6 +57,10 @@ final class AttributedStringConverterTests: XCTestCase {
             .font: font,
             .paragraphStyle: NSParagraphStyle.default,
         ]))
+        XCTAssertEqual(convert("a<br />b"), NSAttributedString(string: "a\nb", attributes: [
+            .font: font,
+            .paragraphStyle: NSParagraphStyle.default,
+        ]))
     }
     
     func testConvertA() {