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Fix \\ and \newline after operator (#1796)

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* Fix \\ and \newline after operator

Fix #1790.  `\\` and `\newline` render as a span with classes
`mspace` and `newline`.  We need to check for `newline` when bringing
spaces into the same `base` group.

* Add tests and comment
This commit is contained in:
Erik Demaine
2018-12-26 18:17:30 -05:00
committed by Kevin Barabash
parent 1a7ce6cf15
commit 8346294bf3
3 changed files with 124 additions and 2 deletions
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5
src/buildHTML.js
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@@ -334,10 +334,11 @@ export default function buildHTML(tree: AnyParseNode[], options: Options): DomSp
expression[i].hasClass("mrel") ||
expression[i].hasClass("allowbreak")) {
// Put any post-operator glue on same line as operator.
// Watch for \nobreak along the way.
// Watch for \nobreak along the way, and stop at \newline.
let nobreak = false;
while (i < expression.length - 1 &&
expression[i + 1].hasClass("mspace")) {
expression[i + 1].hasClass("mspace") &&
!expression[i + 1].hasClass("newline")) {
i++;
parts.push(expression[i]);
if (expression[i].hasClass("nobreak")) {