Thanks for explaining brother.
I can agree with that. But it seems like Answeringislam.com is a site that is meant to mislead people into Islam--they want people to stay away from Islam.
I do think that the 19 code can be a problematic theory given that your questions are not answered.
But I think it can be resolved. Your central argument is that there is no instruction for Allah to tell us how to use the 19 code and there was no command for us to explain code 19. The problem with that is there doesn't have to be an instruction or a command for such a code to exist and for Allah to use it as the proof of the book. But even so, there is an instruction, it is just not explicit and direct. The Quran starts with initial like A.L.M and then it goes on to say, "this is the proof of the book". This appears to be a sign that these initials mean something-and the 19 code is the best theory as to what they might mean. The fact that there is no direct instruction is not surprising given the Quran. In many verses in the Quran, information is implicit and passive. You need to carefully study the Quran to get it--you don't just read it like a regular book. You really need to get into it to understand it! Allah did this so that the Quran can guide those with an open heart and misguide those with a closed heart. This is our purpose in life. Allah never makes the signs in the Quran so strong that they definitively prove that Allah exist, if that were the case then life really wouldn't be a test and everyone would be Muslim. The verses must be sufficiently clear so that it guides those with an open heart but sufficiently vague so that it misguides those with a closed heart.
Currently, I have nothing to say about the omission of these two verses. I have not studied the manuscripts nor the 19 code, so I should just be modest with that claim. But perhaps Allah put those verses there as a test? Allah is known to test us. I am not going to make any claims about these two verses.
To me, it just seems odd that a anti-Muslim site that is meant to make people avoid Islam would testify to the truth of this code.
It also seems that the verse describing the number 19 code, says "it is a trial for the disbelievers". Perhaps this code 19 is such a strong indicator of Quranic truth, that it is strong enough to use against a disbeliever in a trial ALONE. Moreover, that verse states that the 19 number is a fixed number and it is also meant to increase faith of those who are Muslim. Now if we were in the hereafter, do we really need an increase in faith? so it must mean that this 19 code is meant to increase faith in muslims in this life! Moreover, people were asking what does Allah mean by this 19 code. This means this code was not revealed back then and Allah did not provide an answer to that (he expects people to find out) and he will guide people about this code and misguide people as well.
All in all, I think I need to study this code and see for myself.
The thing is if the code 19 exists in the Quran, then why? You think it is just there having no purpose?
Even Wiki-Islam testifies to the code 19 (even though they don't believe it is a miracle, they believe the code 19 exists in the Quran)