@metabyter i think it is more technically correct to phrase the question as in a url, should i encode the spaces using %20 or + in the query part of a url? because while the example. I am interested in knowing why '%20' is used as a space in urls, particularly why %20 was used and why we even need it in the first place. As the aforementioned rfc does not include any reference of encoding spaces as +, i guess using %20 is the way to go today.
The common space character is encoded as %20 as you noted yourself. 我的世界永久获得夜视效果的指令是/effect @a night_vision 99999999 255 true或/effect @a night_vision 99999 250。 在《我的世界》游戏中,玩家可以通过指令来获得各种效. If you look at rfc 3986 appendix a, you will see that space is simply not mentioned anywhere in the grammar for defining a url.
Since it's not mentioned anywhere in. A bit of explaining as to what that %2520 is :