(possible) bug in parser right-trimming escaped quotes?

[monerowner]

The call to bytes.TrimRightFunc(src[0:i], trimFunc) in parser.go's extractVarValue removes a single escaped quote off the right side of the var value (if such a quote exists and it is the same as the quotes used to enclose the value). Is this intended behavior or a bug?

package main

import (
	"fmt"
	"github.com/joho/godotenv"
)

func main() {
	m := map[string]string{"foo": `""`}
	// Shows up in .env as foo="\"\""
	godotenv.Write(m, ".env")

	env, _ := godotenv.Read(".env")
	// Expecting ""
        // Instead prints "\
        // This is because the escaping \ remains after the quote's removed
	fmt.Println(env["foo"])
}