improvement: generate non-smart Markdown quotes (via #5162)

src/core/components/providers/markdown.jsx

@@ -35,6 +35,8 @@ function Markdown({ source, className = "" }) {
         linkTarget: "_blank"
     })
     
+    md.core.ruler.disable(["replacements", "smartquotes"])
+
     const html = md.render(source)
     const sanitized = sanitizer(html)
 

test/e2e-cypress/static/documents/bugs/5060.yaml

@@ -0,0 +1,10 @@
+---
+swagger: '2.0'
+info:
+  title: Foobar Service
+  description: '<br><p>Example of a simple GET request via curl with bearer HTTP Authentication:</p><pre>curl
+    -X GET "https://foobar.com/stuff" -H "Accept: application/json" -H "Authorization:
+    Bearer abc123.xyz.789"</pre>'
+  version: '2.0'
+paths: {}
+

test/e2e-cypress/tests/bugs/5060.js

@@ -0,0 +1,15 @@
+describe("#5060: unwanted smart quotes in rendered Markdown", () => {
+  it("should not convert regular quotes to smart quotes", () => {
+    cy
+      .visit("/?url=/documents/bugs/5060.yaml")
+      .get("div.description")
+      .should($el => {
+        const text = $el.get(0).textContent
+        expect(text).to.include(`Example of a simple GET request via curl with bearer HTTP Authentication`)
+        expect(text).to.include(`curl -X GET "https://foobar.com/stuff"`)
+        expect(text).to.include(`-H "Accept: application/json"`)
+        expect(text).to.include(`-H "Authorization: Bearer abc123.xyz.789"`)
+        expect(text.indexOf(`“`)).to.equal(-1)
+      })
+  })
+})