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Comments without terminating newlines, \href fixes, \url support (#1529)

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* Comments without terminating newlines in nonstrict mode

Fix #1506 by allowing single-line comments (`%` without terminating newline)
in nonstrict mode.  `Lexer` and `MacroExpander` now store the `Settings`
object, so the `Lexer` can complain about missing newline according to the
`strict` setting.  I filtered this out from the snapshot tests with a slightly
different `replacer`.

* Reimplement \href like \verb, add \url

Major restructuring to lex URL arguments differently, e.g. to support
`\href%{hello}` and `\href{http://foo.com/#test%}{hello}`.  The new URL
parsing code is simpler, but involves a special case in `parseSymbol`
like `\verb`.

Also add support for `\url` while we're here.

* Cleanup

* Fix flow errors and improve error messages

* Add \url to documentation

* Improve doc formatting
This commit is contained in:
Erik Demaine
2018-07-31 14:13:30 -04:00
committed by GitHub
parent b73e43832b
commit 2202aa774f
9 changed files with 181 additions and 115 deletions
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16
test/__snapshots__/katex-spec.js.snap
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@@ -27,9 +27,7 @@ exports[`A begin/end parser should grab \\arraystretch 1`] = `
"end": 37,
"lexer": {
"input": "\\\\def\\\\arraystretch{1.5}\\\\begin{matrix}a&b\\\\\\\\c&d\\\\end{matrix}",
"tokenRegex": {
"lastIndex": 56
}
"lastIndex": 56
},
"start": 36
},
@@ -58,9 +56,7 @@ exports[`A begin/end parser should grab \\arraystretch 1`] = `
"end": 39,
"lexer": {
"input": "\\\\def\\\\arraystretch{1.5}\\\\begin{matrix}a&b\\\\\\\\c&d\\\\end{matrix}",
"tokenRegex": {
"lastIndex": 56
}
"lastIndex": 56
},
"start": 38
},
@@ -91,9 +87,7 @@ exports[`A begin/end parser should grab \\arraystretch 1`] = `
"end": 42,
"lexer": {
"input": "\\\\def\\\\arraystretch{1.5}\\\\begin{matrix}a&b\\\\\\\\c&d\\\\end{matrix}",
"tokenRegex": {
"lastIndex": 56
}
"lastIndex": 56
},
"start": 41
},
@@ -122,9 +116,7 @@ exports[`A begin/end parser should grab \\arraystretch 1`] = `
"end": 44,
"lexer": {
"input": "\\\\def\\\\arraystretch{1.5}\\\\begin{matrix}a&b\\\\\\\\c&d\\\\end{matrix}",
"tokenRegex": {
"lastIndex": 56
}
"lastIndex": 56
},
"start": 43
},