validators, test: don't include line break in surroundings

2 files changed, 16 insertions, 3 deletions

diff --git a/src/data/things/validators.js b/src/data/things/validators.js
index b462be47..f9910364 100644
--- a/src/data/things/validators.js
+++ b/src/data/things/validators.js
@@ -447,10 +447,10 @@ const illegalCharactersInContent =
     .join('');
 
 const legalContentNearEndRegexp =
-  new RegExp(`[^${illegalCharactersInContent}]+$`);
+  new RegExp(`[^\n${illegalCharactersInContent}]+$`);
 
 const legalContentNearStartRegexp =
-  new RegExp(`^[^${illegalCharactersInContent}]+`);
+  new RegExp(`^[^\n${illegalCharactersInContent}]+`);
 
 const trimWhitespaceNearBothSidesRegexp =
   /^ +| +$/gm;
diff --git a/test/unit/data/things/validators.js b/test/unit/data/things/validators.js
index fd86c131..11134a90 100644
--- a/test/unit/data/things/validators.js
+++ b/test/unit/data/things/validators.js
@@ -168,7 +168,7 @@ t.test('isCommentary', t => {
 });
 
 t.test('isContentString', t => {
-  t.plan(11);
+  t.plan(12);
 
   t.ok(isContentString(`Hello, world!`));
   t.ok(isContentString(`Hello...\nWorld!`));
@@ -210,6 +210,19 @@ t.test('isContentString', t => {
     ]));
 
   quickThrows(
+    `It's go-\u200bin',\n` +
+    `\u200bIt's goin',\u200b\n` +
+    `\u200b\u200bIt's going!`,
+    new AggregateError([
+      new AggregateError([
+        new TypeError(`Delete "\u200b" (zero-width space) between "go-" and "in'" (line: 1, col: 9)`),
+        new TypeError(`Delete "\u200b" (zero-width space) before "It'" (line: 2, col: 1)`),
+        new TypeError(`Delete "\u200b" (zero-width space) after "n'," (line: 2, col: 13)`),
+        new TypeError(`Delete "\u200b\u200b" (zero-width space) before "It'" (line: 3, col: 1)`),
+      ]),
+    ]));
+
+  quickThrows(
     `  Room at the start.`,
     new AggregateError([
       new AggregateError([