remove leading spaces after a hard line break

src/parser/inlines.rs

@@ -148,6 +148,14 @@ impl<'a, 'r, 'o, 'd, 'i, 'c, 'subj> Subject<'a, 'r, 'o, 'd, 'i, 'c, 'subj> {
                     strings::rtrim(&mut contents);
                 }
 
+                // if we've just produced a LineBreak, then we should consume any leading
+                // space on this line
+                if node.last_child().map_or(false, |n| {
+                    matches!(n.data.borrow().value, NodeValue::LineBreak)
+                }) {
+                    strings::ltrim(&mut contents);
+                }
+
                 Some(make_inline(self.arena, NodeValue::Text(contents)))
             }
         };

src/tests.rs

@@ -408,6 +408,19 @@ fn backticks_empty_with_newline_should_be_space() {
     html("`\n`", "<p><code> </code></p>\n");
 }
 
+#[test]
+fn blockquote_hard_linebreak_space() {
+    html(">\\\n A", "<blockquote>\n<p><br />\nA</p>\n</blockquote>\n");
+}
+
+#[test]
+fn blockquote_hard_linebreak_nonlazy_space() {
+    html(
+        "> A\\\n> B",
+        "<blockquote>\n<p>A<br />\nB</p>\n</blockquote>\n",
+    );
+}
+
 #[test]
 fn backticks_num() {
     let input = "Some `code1`. More ``` code2 ```.\n";