That's correct, space ' ' is encoded as %20.
Yeah I don't get it, both style paths seem to work for me, iexplorer and chrome.
crosstheroadelectronics.com/Talon SRX Software Reference Manual.pdf
crosstheroadelectronics.com/Talon%20SRX%20Software%20Reference%20Manual.pdf
Anyone else having trouble?
You can also just google Talon SRX Software Reference Manual.
Also it's on vex's site
http://www.vexrobotics.com/217-8080.html