fix chunk options regression

src/reader/markdown.jl

@@ -5,7 +5,7 @@ function parse_markdown(document_body; is_pandoc = false)
         r"^<<(?<options>.*?)>>=\s*$",
         r"^@\s*$"
     else
-        r"^[`~]{3}(\{?)julia\s*([;,]?)\s*(?<options>.*?)(\}|\s*)$",
+        r"^[`~]{3}(\{?)julia\s*([;,\{]?)\s*(?<options>.*?)(\}|\s*)$",
         r"^[`~]{3}\s*$"
     end
     return header, parse_markdown_body(document_body, code_start, code_end, offset)

test/reader/test_chunk_options.jl

@@ -72,6 +72,10 @@ let opts = get_options("```julia, opt1 = 1, opt2 = \"2\"\n```")
     @test (:opt1 => 1) in opts
     @test (:opt2 => "2") in opts
 end
+let opts = get_options("```julia{opt1 = 1, opt2 = \"2\"}\n```")
+    @test (:opt1 => 1) in opts
+    @test (:opt2 => "2") in opts
+end
 
 end
 

test/test_display.jl

@@ -6,7 +6,7 @@
 doc = mock_run("""
 ```julia
 using DataFrames
-DataFrame(rand(10,3))
+DataFrame(a=rand(10))
 ```
 """; doctype = "md2html")
 @test isdefined(doc.chunks[1], :rich_output)
@@ -17,7 +17,7 @@ n = 100000
 doc = mock_run("""
 ```julia
 using DataFrames
-DataFrame(rand($n,3))
+DataFrame(a=rand($n))
 ```
 """; doctype = "md2html")
 @test isdefined(doc.chunks[1], :rich_output)