A comment in h2c_dec_hdrs() contains a section sign encoded in ISO-8859-1,
which is the only non-UTF-8 byte in the sources. Some tools consider the
whole file as binary because of it, e.g. "ugrep -I" silently skips it.
Let's spell it "section" instead.
* to convert 200 response to 101 htx response. We only support this if
* the connection supports RFC8441.
* On the backend, that means the origin server advertised the setting.
- * On the frontend, RFC 8441 ยง3 only requires the server (us) to
+ * On the frontend, RFC 8441 section 3 only requires the server (us) to
* advertise it; clients are not required to echo it back. Use whether
* we ourselves advertised it as the gate.
*/