docs: document loading placeholder support in remark42 div#2009
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docs: document loading placeholder support in remark42 div#2009
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Clarify that any content placed inside the `<div id="remark42">` is automatically removed once the iframe signals it has initialised. Update all code examples across getting-started, frontend config, and Astro/Gatsby integration guides to use "Comments loading..." as the placeholder so the feature is visible by default.
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Summary
Closes #1990.
PR #2002 fixed the behaviour but never documented it. Any content placed inside
<div id="remark42">is automatically removed once the iframe signals it has initialised — so users can add loading placeholders without any JS gymnastics.Changes:
configuration/frontend/index.md— add note and example after the<div id="remark42">snippetgetting-started/installation/index.md— update example div to include placeholder text and explain the behaviourmanuals/integration-with-astro/index.md— update both Svelte and React/Preact examplesmanuals/integration-with-gatsby/index.md— update both JS and TS examples