Correct syntax(es) for escape sequences in strings

[object01]

What forms of escape sequences does CCS accept in strings? I've got an LCD display (standard, probably) that has a special right-arrow character at character map address 0b01111110. Of the following,

"Here's an arrow: \126"
"Here's an arrow: \x7E"
"Here's an arrow: \b01111110"

Only the hex representation works. The binary literal won't compile, and \126 prints 'V' on the display, which is at map address 0b01010110 for this LCD. How do \126 and 0b01010110 relate?

I've used \255 in string literals before as a recognizable terminator that helps me write functions that I can pass string constants to. So I expected \126 to work. If \255 is compiled correctly, why doesn't \126 seem to be?

--
Jeff S.

[PCM programmer]

The MSDN C Language Reference only shows Octal and Hex
are supported, but not decimal. So CCS is following the spec on this.
http://msdn.microsoft.com/library/default.asp?url=/library/en-us/vccelng/htm/eleme_15.asp

[object01]

[PCM programmer]

No, but your complaint appeared to be as if you were used to
using a "real compiler". So I picked the MSDN documentation
to show that CCS wasn't doing anything wrong by not supporting
decimal escape sequences.