The h1 parser used to systematically turn header field names to lower case because it was designed for H2. Let's add a flag which is off by default to condition this behaviour so that when using it from an H1 parser it will not affect the message.
The h1 parser used to systematically turn header field names to lower case because it was designed for H2. Let's add a flag which is off by default to condition this behaviour so that when using it from an H1 parser it will not affect the message.