Allow no space between = and header

History.txt

@@ -22,6 +22,8 @@ If you don't want to rebuild the rdoc for `gem server`, add --no-rdoc.
 * N Bug Fixes
   * RDoc::AnyMethod params now get saved in ri data.
   * ri now displays method arguments correctly.
+  * RDoc::Markup::Parser allows no space between = and header text like rdoc
+    2.4 and earlier
 
 === 2.5 / 2010-03-31
 

lib/rdoc/markup/parser.rb

@@ -463,7 +463,7 @@ def tokenize input
                    token
                  when s.scan(/ +/) then
                    [:INDENT, s.matched_size, *token_pos(pos)]
-                 when s.scan(/(=+)\s+/) then
+                 when s.scan(/(=+)\s*/) then
                    level = s[1].length
                    level = 6 if level > 6
                    @tokens << [:HEADER, level, *token_pos(pos)]

test/test_rdoc_markup_parser.rb

@@ -1004,6 +1004,24 @@ def test_tokenize_heading_heading
     assert_equal expected, @RMP.tokenize(str)
   end
 
+  def test_tokenize_heading_no_space
+    str = <<-STR
+=Heading
+==Heading 2
+    STR
+
+    expected = [
+      [:HEADER,  1,            0, 0],
+      [:TEXT,    'Heading',    1, 0],
+      [:NEWLINE, "\n",         8, 0],
+      [:HEADER,  2,            0, 1],
+      [:TEXT,    'Heading 2',  2, 1],
+      [:NEWLINE, "\n",        11, 1],
+    ]
+
+    assert_equal expected, @RMP.tokenize(str)
+  end
+
   def test_tokenize_label
     str = <<-STR
 [cat] l1