I'm not sure if I understand you correctly, but Textastic displays highlighted source code as soon as the first 100 lines are highlighted in a background thread. Before that, it will display a version of the text without syntax highlighting. I think that's better than displaying nothing before the text is highlighted.

Here's another topic with more information: http://feedback.textasticapp.com/topic/99038-create-tmbundle-to-extend-sql-to-t-sql-on-ipad/

Please have a look at this topic: http://feedback.textasticapp.com/topic/62335-custom-syntax-colors-how-to/

Just type in the topic of your idea in the input field at the top of http://feedback.textasticapp.com/ and tap on "Next". This should allow you to post your idea.

The file always is at least as high as one page in portrait orientation. I don't consider it a bug, maybe a little annoying if you do not expect that.

Can't you just access it using FTP or SFTP?

I tried to insert an Emoji symbol in TextMate and Sublime Text 2. Both couldn't do it. On the Mac, Emojis seem to use a special font: "AppleColorEmoji". On iOS, the Emoji keyboard just inserts special Unicode characters instead. It looks like those two methods are not really compatible, but I may be wrong.

What is S-Drive? Do you have a link?

What kind of server are you running? It would be nice if you could give me enough information so that I can try to reproduce it on my machine.