5
Check the source of output web pages, I bet you will find enough spaces.
All consecutive spaces in HTML file will be displayed as one space.
Use  , or to protect them.
【在 s*****i 的大作中提到】
: The problem is:
: I input "A A", five spaces between As.
: Then I transfer this string to server, using
: post method. The string now is "A+++++A",(
: the space is changed to +).
: Then I change "+" to " " and output. I mean output
: to the IE if some user input the string and want to
: see what he/she input.
: but now the output is "A A", whatever how many spaces
: between them. But another problem is: