Synthesis queue processes higher-ranked categories first. Nothing is dropped — lower
categories just wait longer when the queue is busy. This list also drives the site's nav —
remove anything you're not interested in (Business, Culture, etc.) or add your own. A
private category (and everything in it) is hidden from the public site until a visitor
logs in with the lock icon in the masthead. A "More" category is collapsed into a single
"More »" nav tab instead of getting its own, and shows up on that overflow page with its
latest few articles.
{#if primaryCategoryCount > 10}
{primaryCategoryCount} categories showing directly in the nav — consider marking some as
"More" below before it gets too wide (a rough guideline, not a hard limit).
{/if}
e.key === 'Enter' && addCategory()}
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