diff --git a/lib/md033.js b/lib/md033.js
index 87366f23b..a50614c30 100644
--- a/lib/md033.js
+++ b/lib/md033.js
@@ -6,8 +6,12 @@ const { addError, bareUrlRe, forEachLine, unescapeMarkdown } =
require("../helpers");
const { lineMetadata } = require("./cache");
-const htmlElementRe = /<(\w+)(?:[^>]*)?>/g;
+const htmlElementRe = /<(([\w+.-]+)(?:[^>]*)?)>/g;
const linkDestinationRe = /]\(\s*$/;
+// See https://spec.commonmark.org/0.29/#autolinks
+const emailAddressRe =
+ // eslint-disable-next-line max-len
+ /^[a-zA-Z0-9.!#$%&'*+/=?^_`{|}~-]+@[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?(?:\.[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?)*$/;
module.exports = {
"names": [ "MD033", "no-inline-html" ],
@@ -20,9 +24,10 @@ module.exports = {
let match = null;
// eslint-disable-next-line no-unmodified-loop-condition
while (!inCode && (match = htmlElementRe.exec(line))) {
- const [ tag, element ] = match;
+ const [ tag, content, element ] = match;
if (!allowedElements.includes(element.toLowerCase()) &&
- !tag.endsWith("\\>") && !bareUrlRe.test(tag)) {
+ !tag.endsWith("\\>") && !bareUrlRe.test(content) &&
+ !emailAddressRe.test(content)) {
const prefix = line.substring(0, match.index);
if (!linkDestinationRe.test(prefix) &&
!unescapeMarkdown(prefix + "<", "_").endsWith("_")) {
diff --git a/test/detailed-results-html-tags.md b/test/detailed-results-html-tags.md
index 7579484a3..a3ffcdab0 100644
--- a/test/detailed-results-html-tags.md
+++ b/test/detailed-results-html-tags.md
@@ -79,3 +79,13 @@ Text inline text
text text
Text
+
+ is an email autolink.
+
+Text
+
+Another email autolink: .
+
+Text
+
+But is not an email autolink.
diff --git a/test/detailed-results-html-tags.results.json b/test/detailed-results-html-tags.results.json
index a35a31ed7..2968521fc 100644
--- a/test/detailed-results-html-tags.results.json
+++ b/test/detailed-results-html-tags.results.json
@@ -151,5 +151,14 @@
"errorDetail": "Element: img",
"errorContext": null,
"errorRange": [ 6, 20 ]
+ },
+ {
+ "lineNumber": 91,
+ "ruleNames": [ "MD033", "no-inline-html" ],
+ "ruleDescription": "Inline HTML",
+ "ruleInformation": "https://github.com/DavidAnson/markdownlint/blob/v0.0.0/doc/Rules.md#md033",
+ "errorDetail": "Element: foo.bar.baz",
+ "errorContext": null,
+ "errorRange": [ 5, 13 ]
}
]