Shorten markdown heading anchors links (#11903)
This changes the links on headings like '# Usage' in markdown from `https://host/user/repo#user-content-usage` to just `https://host/user/repo#usage` matching GitHub and GitLab. The linked id elements still have the prefix and this behaviour matches GitHub and GitLab too, so JS is needed to scroll to the active anchor. I suspect it's like that to avoid namespace collission between user-generated content and other page content. Compatibilty for old links is included so they will continue to work. Also included are some enhancements to make the clickable area for the link icon larger and fix its color on arc-green. Fixes: https://github.com/go-gitea/gitea/issues/11896 Fixes: https://github.com/go-gitea/gitea/issues/12062
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silverwind
GitHub
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commit
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3 changed files with 67 additions and 73 deletions
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@ -6,13 +6,13 @@ import './publicpath.js';
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import Vue from 'vue';
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import 'jquery.are-you-sure';
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import './vendor/semanticdropdown.js';
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import {svg} from './utils.js';
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import initContextPopups from './features/contextpopup.js';
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import initGitGraph from './features/gitgraph.js';
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import initClipboard from './features/clipboard.js';
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import initUserHeatmap from './features/userheatmap.js';
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import initServiceWorker from './features/serviceworker.js';
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import initMarkdownAnchors from './markdown/anchors.js';
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import attachTribute from './features/tribute.js';
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import createDropzone from './features/dropzone.js';
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import initTableSort from './features/tablesort.js';
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@ -2360,15 +2360,6 @@ $(document).ready(async () => {
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});
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});
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// Set anchor.
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$('.markdown').each(function () {
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$(this).find('h1, h2, h3, h4, h5, h6').each(function () {
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let node = $(this);
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node = node.wrap('<div class="anchor-wrap"></div>');
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node.append(`<a class="anchor" href="#${encodeURIComponent(node.attr('id'))}">${svg('octicon-link', 16)}</a>`);
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});
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});
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$('.issue-checkbox').on('click', () => {
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const numChecked = $('.issue-checkbox').children('input:checked').length;
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if (numChecked > 0) {
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@ -2426,6 +2417,7 @@ $(document).ready(async () => {
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searchTeams();
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searchRepositories();
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initMarkdownAnchors();
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initCommentForm();
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initInstall();
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initRepository();
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32
web_src/js/markdown/anchors.js
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32
web_src/js/markdown/anchors.js
Normal file
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@ -0,0 +1,32 @@
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import {svg} from '../utils.js';
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const headingSelector = '.markdown h1, .markdown h2, .markdown h3, .markdown h4, .markdown h5, .markdown h6';
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function scrollToAnchor() {
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if (document.querySelector(':target')) return;
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if (!window.location.hash || window.location.hash.length <= 1) return;
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const id = window.location.hash.substring(1);
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const el = document.getElementById(`user-content-${id}`);
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if (el) {
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el.scrollIntoView();
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} else if (id.startsWith('user-content-')) { // compat for links with old 'user-content-' prefixed hashes
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const el = document.getElementById(id);
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if (el) el.scrollIntoView();
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}
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}
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export default function initMarkdownAnchors() {
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if (!document.querySelector('.markdown')) return;
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for (const heading of document.querySelectorAll(headingSelector)) {
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const originalId = heading.id.replace(/^user-content-/, '');
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const a = document.createElement('a');
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a.classList.add('anchor');
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a.setAttribute('href', `#${encodeURIComponent(originalId)}`);
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a.innerHTML = svg('octicon-link', 16);
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heading.prepend(a);
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}
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scrollToAnchor();
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window.addEventListener('hashchange', scrollToAnchor);
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}
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@ -30,26 +30,51 @@
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}
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.anchor {
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position: absolute;
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top: 0;
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left: 0;
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display: block;
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padding-right: 6px;
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padding-left: 30px;
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margin-left: -30px;
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padding-right: 4px;
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margin-left: -20px;
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line-height: 1;
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color: inherit;
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}
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.anchor .svg {
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vertical-align: middle;
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}
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.anchor:focus {
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outline: none;
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}
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h1 .anchor .svg,
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h2 .anchor .svg,
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h3 .anchor .svg,
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h4 .anchor .svg,
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h5 .anchor .svg,
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h6 .anchor .svg {
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visibility: hidden;
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}
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h1:hover .anchor .svg,
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h2:hover .anchor .svg,
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h3:hover .anchor .svg,
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h4:hover .anchor .svg,
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h5:hover .anchor .svg,
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h6:hover .anchor .svg {
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visibility: visible;
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}
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h2 .anchor .svg,
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h3 .anchor .svg,
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h4 .anchor .svg {
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position: relative;
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top: -2px;
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}
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h1,
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h2,
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h3,
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h4,
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h5,
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h6 {
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position: relative;
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margin-top: 1em;
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margin-bottom: 16px;
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font-weight: bold;
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@ -60,37 +85,6 @@
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}
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}
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h1 .octicon-link,
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h2 .octicon-link,
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h3 .octicon-link,
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h4 .octicon-link,
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h5 .octicon-link,
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h6 .octicon-link {
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display: none;
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color: #000000;
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vertical-align: middle;
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}
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h1:hover .anchor,
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h2:hover .anchor,
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h3:hover .anchor,
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h4:hover .anchor,
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h5:hover .anchor,
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h6:hover .anchor {
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padding-left: 8px;
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margin-left: -30px;
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text-decoration: none;
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}
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h1:hover .anchor .octicon-link,
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h2:hover .anchor .octicon-link,
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h3:hover .anchor .octicon-link,
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h4:hover .anchor .octicon-link,
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h5:hover .anchor .octicon-link,
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h6:hover .anchor .octicon-link {
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display: inline-block;
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}
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h1 tt,
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h1 code,
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h2 tt,
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@ -113,10 +107,6 @@
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border-bottom: 1px solid #eeeeee;
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}
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h1 .anchor {
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line-height: 1;
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}
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h2 {
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padding-bottom: .3em;
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font-size: 1.75em;
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@ -124,44 +114,24 @@
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border-bottom: 1px solid #eeeeee;
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}
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h2 .anchor {
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line-height: 1;
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}
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h3 {
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font-size: 1.5em;
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line-height: 1.43;
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}
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h3 .anchor {
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line-height: 1.2;
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}
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h4 {
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font-size: 1.25em;
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}
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h4 .anchor {
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line-height: 1.2;
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}
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h5 {
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font-size: 1em;
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}
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h5 .anchor {
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line-height: 1.1;
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}
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h6 {
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font-size: 1em;
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color: #777777;
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}
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h6 .anchor {
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line-height: 1.1;
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}
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p,
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blockquote,
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ul,
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