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encode less-than signs in text context after whitespace #71

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encode less-than signs in text context after whitespace #71

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6 changes: 6 additions & 0 deletions lib/unsafe.js
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Original file line number Diff line number Diff line change
Expand Up @@ -109,6 +109,12 @@ export const unsafe = [
inConstruct: 'phrasing',
notInConstruct: fullPhrasingSpans
},
{
character: '<',
before: '(?:[ \t\r\n]|$)',
inConstruct: 'phrasing',
notInConstruct: fullPhrasingSpans
},
{character: '<', inConstruct: 'destinationLiteral'},
// An equals to can start setext heading underlines.
{atBreak: true, character: '='},
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20 changes: 20 additions & 0 deletions test/index.js
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Original file line number Diff line number Diff line change
Expand Up @@ -3932,6 +3932,26 @@ test('escape', async function (t) {
)
})

await t.test(
'should escape what would otherwise be html (2)',
async function () {
assert.equal(
to({type: 'paragraph', children: [{type: 'text', value: '<1%'}]}),
'\\<1%\n'
)
}
)

await t.test(
'dont escape a less-than sign that cant be a tag open',
async function () {
assert.equal(
to({type: 'paragraph', children: [{type: 'text', value: 'm<1%'}]}),
'm<1%\n'
)
}
)

await t.test(
'should escape what would otherwise be code (text)',
async function () {
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