diff --git a/package.json b/package.json
index df7f700ef..a30a986b0 100644
--- a/package.json
+++ b/package.json
@@ -27,10 +27,10 @@
     "test:dev": "jest --verbose --watch",
     "test:basic": "jest tests/markdown/basic.test.js --verbose",
     "test:variables": "jest tests/markdown/variables.test.js --verbose",
-    "test:mustache-syntax": "jest '.*(mustache-syntax).*' --verbose --noStackTrace",
-    "test:mustache-syntax:inline": "jest '.*(mustache-syntax).*' -t '^Inline:.*' --verbose --noStackTrace",
-    "test:mustache-syntax:block": "jest '.*(mustache-syntax).*' -t '^Block:.*' --verbose --noStackTrace",
-    "test:mustache-syntax:injection": "jest '.*(mustache-syntax).*' -t '^Injection:.*' --verbose --noStackTrace",
+    "test:mustache-syntax": "jest .*(mustache-syntax).* --verbose --noStackTrace",
+    "test:mustache-syntax:inline": "jest .*(mustache-syntax).* -t '^Inline:.*' --verbose --noStackTrace",
+    "test:mustache-syntax:block": "jest .*(mustache-syntax).* -t '^Block:.*' --verbose --noStackTrace",
+    "test:mustache-syntax:injection": "jest .*(mustache-syntax).* -t '^Injection:.*' --verbose --noStackTrace",
     "test:definition-lists": "jest tests/markdown/definition-lists.test.js --verbose --noStackTrace", 
     "test:route": "jest tests/routes/static-pages.test.js --verbose",
     "phb": "node scripts/phb.js",
diff --git a/shared/naturalcrit/markdown.js b/shared/naturalcrit/markdown.js
index d93f73cea..33bae12d6 100644
--- a/shared/naturalcrit/markdown.js
+++ b/shared/naturalcrit/markdown.js
@@ -241,7 +241,7 @@ const mustacheInjectInline = {
 				`${tags.classes    ? ` class="${tags.classes}"` : ''}` +
 				`${tags.id         ? ` id="${tags.id}"`         : ''}` +
 				`${tags.styles     ? ` style="${tags.styles}"`  : ''}` +
-				`${tags.attributes ? ` ${Object.entries(tags.attributes).map(([key, value]) => `${key}="${value}"`).join(' ')}` : ''}` +
+				`${!_.isEmpty(tags.attributes) ? ` ${Object.entries(tags.attributes).map(([key, value]) => `${key}="${value}"`).join(' ')}` : ''}` +
 				`${openingTag[2]}`; // parse to turn child tokens into HTML
 		}
 		return text;
@@ -290,7 +290,7 @@ const mustacheInjectBlock = {
 					`${tags.classes    ? ` class="${tags.classes}"` : ''}` +
 					`${tags.id         ? ` id="${tags.id}"`         : ''}` +
 					`${tags.styles     ? ` style="${tags.styles}"`  : ''}` +
-					`${tags.attributes ? ` ${Object.entries(tags.attributes).map(([key, value]) => `${key}="${value}"`).join(' ')}` : ''}` +
+					`${!_.isEmpty(tags.attributes) ? ` ${Object.entries(tags.attributes).map(([key, value]) => `${key}="${value}"`).join(' ')}` : ''}` +
 					`${openingTag[2]}`; // parse to turn child tokens into HTML
 			}
 			return text;
diff --git a/tests/markdown/mustache-syntax.test.js b/tests/markdown/mustache-syntax.test.js
index f156771cb..d1d64a9de 100644
--- a/tests/markdown/mustache-syntax.test.js
+++ b/tests/markdown/mustache-syntax.test.js
@@ -243,13 +243,13 @@ describe(`Block: When using the Block syntax {{tags\\ntext\\n}}`, ()=>{
 describe('Injection: When an injection tag follows an element', ()=>{
 	// FIXME: Most of these fail because injections currently replace attributes, rather than append to.  Or just minor extra whitespace issues.
 	describe('and that element is an inline-block', ()=>{
-		it.failing('Renders a span "text" with no injection', function() {
+		it('Renders a span "text" with no injection', function() {
 			const source = '{{ text}}{}';
 			const rendered = Markdown.render(source);
 			expect(rendered, `Input:\n${source}`, { showPrefix: false }).toBe('<span class="inline-block">text</span>');
 		});
 
-		it.failing('Renders a span "text" with injected Class name', function() {
+		it('Renders a span "text" with injected Class name', function() {
 			const source = '{{ text}}{ClassName}';
 			const rendered = Markdown.render(source);
 			expect(rendered, `Input:\n${source}`, { showPrefix: false }).toBe('<span class="inline-block ClassName">text</span>');
@@ -261,31 +261,31 @@ describe('Injection: When an injection tag follows an element', ()=>{
 			expect(rendered, `Input:\n${source}`, { showPrefix: false }).toBe('<span a="b and c" class="inline-block ">text</span>');
 		});
 
-		it.failing('Renders a span "text" with injected style', function() {
+		it('Renders a span "text" with injected style', function() {
 			const source = '{{ text}}{color:red}';
 			const rendered = Markdown.render(source);
 			expect(rendered, `Input:\n${source}`, { showPrefix: false }).toBe('<span class="inline-block" style="color:red;">text</span>');
 		});
 
-		it.failing('Renders a span "text" with injected style using a string variable', function() {
+		it('Renders a span "text" with injected style using a string variable', function() {
 			const source = `{{ text}}{--stringVariable:"'string'"}`;
 			const rendered = Markdown.render(source);
 			expect(rendered, `Input:\n${source}`, { showPrefix: false }).toBe(`<span class="inline-block" style="--stringVariable:'string';">text</span>`);
 		});
 
-		it.failing('Renders a span "text" with two injected styles', function() {
+		it('Renders a span "text" with two injected styles', function() {
 			const source = '{{ text}}{color:red,background:blue}';
 			const rendered = Markdown.render(source);
 			expect(rendered, `Input:\n${source}`, { showPrefix: false }).toBe('<span class="inline-block" style="color:red; background:blue;">text</span>');
 		});
 
-		it.failing('Renders an emphasis element with injected Class name', function() {
+		it('Renders an emphasis element with injected Class name', function() {
 			const source = '*emphasis*{big}';
 			const rendered = Markdown.render(source).trimReturns();
 			expect(rendered, `Input:\n${source}`, { showPrefix: false }).toBe('<p><em class="big">emphasis</em></p>');
 		});
 
-		it.failing('Renders a code element with injected style', function() {
+		it('Renders a code element with injected style', function() {
 			const source = '`code`{background:gray}';
 			const rendered = Markdown.render(source).trimReturns();
 			expect(rendered, `Input:\n${source}`, { showPrefix: false }).toBe('<p><code style="background:gray;">code</code></p>');
@@ -311,19 +311,19 @@ describe('Injection: When an injection tag follows an element', ()=>{
 	});
 
 	describe('and that element is a block', ()=>{
-		it.failing('renders a div "text" with no injection', function() {
+		it('renders a div "text" with no injection', function() {
 			const source = '{{\ntext\n}}\n{}';
 			const rendered = Markdown.render(source).trimReturns();
 			expect(rendered, `Input:\n${source}`, { showPrefix: false }).toBe('<div class="block"><p>text</p></div>');
 		});
 
-		it.failing('renders a div "text" with injected Class name', function() {
+		it('renders a div "text" with injected Class name', function() {
 			const source = '{{\ntext\n}}\n{ClassName}';
 			const rendered = Markdown.render(source).trimReturns();
 			expect(rendered, `Input:\n${source}`, { showPrefix: false }).toBe('<div class="block ClassName"><p>text</p></div>');
 		});
 
-		it.failing('renders a div "text" with injected style', function() {
+		it('renders a div "text" with injected style', function() {
 			const source = '{{\ntext\n}}\n{color:red}';
 			const rendered = Markdown.render(source).trimReturns();
 			expect(rendered, `Input:\n${source}`, { showPrefix: false }).toBe('<div class="block" style="color:red;"><p>text</p></div>');
@@ -354,7 +354,7 @@ describe('Injection: When an injection tag follows an element', ()=>{
 			expect(rendered, `Input:\n${source}`, { showPrefix: false }).toBe('<h2 class="ClassName">text</h2>');
 		});
 
-		it.failing('renders a table with injected class name', function() {
+		it('renders a table with injected class name', function() {
 			const source = dedent`| Experience Points | Level |
 			|:------------------|:-----:|
 			| 0                 | 1     |
@@ -384,7 +384,7 @@ describe('Injection: When an injection tag follows an element', ()=>{
 			expect(rendered, `Input:\n${source}`, { showPrefix: false }).toBe('<h2 class="ClassName">text</h2><p>{secondInjection}</p>');
 		});
 
-		it.failing('renders a div nested into another div, the inner with class=innerDiv and the other class=outerDiv', function() {
+		it('renders a div nested into another div, the inner with class=innerDiv and the other class=outerDiv', function() {
 			const source = dedent`{{
 			outer text
 			{{