charles f0033051d5 Fix markdown preview $$ support (#31514) ...

close #31481

currently `$$A + B$$ test` will ignore text after $$ block

test text

![圖片](https://github.com/go-gitea/gitea/assets/30816317/39b2974b-c0b6-48a0-87d0-5f4a13615eed)

before fix

![圖片](https://github.com/go-gitea/gitea/assets/30816317/15469e4c-474d-4128-b46f-d6cadaafbd68)

after fix

![圖片](https://github.com/go-gitea/gitea/assets/30816317/c1025eef-177f-4ade-988f-510e7039f3f9)

github display

![圖片](https://github.com/go-gitea/gitea/assets/30816317/97cd1e10-ac94-4899-86d8-8e359ef1d694)

2024-06-29 23:23:47 +00:00

..

math

…

ast.go

…

convertyaml.go

…

goldmark.go

…

main_test.go

…

markdown_test.go

…

markdown.go

…

meta_test.go

…

meta.go

…

prefixed_id.go

…

renderconfig_test.go

…

renderconfig.go

…

toc.go

…

transform_blockquote.go

…

transform_codespan.go

…

transform_heading.go

…

transform_image.go

…

transform_link.go

…

transform_list.go

…