`~~~` não impede a manipulação automática do conteúdo colado, ao contrário de três crases

tgxworld · Setembro 16, 2026, 2:06am

Dei uma olhada nisso e isso será corrigido no PR a seguir:

github.com/discourse/discourse

FIX: Preserve pasted text inside tilde code fences (#43711)

main ← tgxworld/fix-tilde-fence-paste

merged 02:13AM - 16 Sep 26 UTC

tgxworld

+38 -8

When someone pastes formatted text into a code block opened with three tildes (`…~~~`), the Markdown composer adds formatting markers such as `**` to the pasted text. The same paste into a code block opened with three backticks stays unchanged. This commit makes both kinds of code block preserve pasted text. Pasting formatted text outside a code block still converts it to Markdown as before. ### Reviewer notes #### Before this fix The composer incorrectly converts the HTML representation to Markdown, producing `prefix **bold**` inside the tilde-fenced code block. ![Before the fix, the Markdown composer contains prefix followed by bold formatting markers inside a tilde-fenced code block](https://github.com/user-attachments/assets/be9fe779-d2f6-4e67-af66-5de0f155f6e1) #### After this fix The composer uses the plain-text representation inside the code block, producing `prefix bold` without formatting markers. ![After the fix, the Markdown composer contains prefix followed by plain bold text inside a tilde-fenced code block](https://github.com/user-attachments/assets/fcfea879-ab19-4f94-805c-32778d77cc00)

Tópico		Respostas	Visualizações
Pasted content gains erroneous line breaks Bug needs-repro	5	310	19 de Agosto de 2024
Copy a `blockQuote` → paste it into `/new-topic`’s `text/plain` `textarea` → switch to the previewer → becomes `pre > code` Bug markdown	0	42	28 de Outubro de 2026
Fenced code blocks don't work with ~~~…~~~ Feature	6	1503	26 de Junho de 2017
Changes to copy/paste? Pasting formatted text inserts markdown Product Support	2	1297	17 de Setembro de 2018
Coincidental Markdown in formatted content pasted to rich text editor rendered on publish Bug composer	0	176	27 de Outubro de 2025

`~~~` não impede a manipulação automática do conteúdo colado, ao contrário de três crases

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