Autism BBS

Lately the technical imperfections and design of shiichan started to get on my nerves(not including the constant shitposting) so i decided to create my own BBS. The feature set is not finalized yet, and some improvement in design might be possible(comment?).
Here is the first draft of what is coming:
* Open Source, using only free code
* Performance/bandwidth oriented
* Minimal processing, no BBCODE,only filters html tags and autolinks URLs
* C without any OOP or platform dependent code
* Very spartan text-only design, no CSS/JS or any external files
* Threads are stored as files in directory as ThreadName.Page generated as follows: 16 char random string THREADID and each 1000 posts(numbered from 0 to 999,1000-1999,etc) is a new file. e.g. /ls78saflGKsu9238.0  is first(zeroth)page of thread ls78saflGKsu9238
* replies consist of post number+text only, no name,email or timestamp, First line of first post in the thread is the thread title.
* Replying to a thread reloads the same thread page,like noko.
* no sage or bump feature, instead there is such system:
1.each new post in the thread swaps its(thread list) position with thread one cell higher(if at top, no change). If the post contains the same text as any of previous replies or only a quoted part of previous post, it does not change the order.
2.new threads start at the top of thread list.

>>29
Consider my reply in >>25 as being applied to your filter. Half of my post was me quoting your original post. In which case such a rule would make one favor not quoting when posting, even if having context tends to be more useful.
Your rule would probably be useful for the times when someone just quotes some part of a post (to bring it to other's attention) and doesn't say much (for example to indicate how some poster was wrong or to point out something of importance).