Blog interface

Some of you may know, I am writing a blog.

(Well, of course you know.  You're reading it.)

Google's Blogger interface has some interesting quirks.  One that I find the most interesting has to do with basic input. 

I write most of the blog entries in Notepad.  Notepad is simple.  Well, Microsoft is trying to make it more complex, but it's still a pretty basic text editor.  It doesn't, for example, find that I have put in a quotation mark and decide that it should replace it with an open left quotation mark, or an open right quotation mark.  Honestly, MS Office, why do you think I put a space before the quotation mark? 

Blogspot, or Blogger, likes to put a blank line between paragraphs.  However, it likes to be told when a new paragraph is.  If I don't put in two line feed carriage return combinations, Blogger sometimes decides that this is all one paragraph.

However, on occasion, and more really than on occasion, putting in two line feed carriage return combinations generates three lines between the paragraphs.  It's the same sequence of characters.  Why does it make one or no returns sometimes, and three returns at other times?  Inquiring minds want to know.