windows - Is clearcase path is a standard one -- '@@' and string after that -

is clearcase path syntax universal one.

my_source.c@@\main\10.1_bugfix\another_branch\0 

is path standard one? invoked following in emacs , working. how emacs diff understand path. somehow clearcase informs operating system how interpret path. or emacs-diff know of path syntax?

$ diff my_source.c@@\main\10.1_bugfix\another_branch\0 my_source.c 

this extended path.

it working dynamic views, give access branches , versions of element.

see "base clearcase path meaning".

in case, access version 0 of branch main\10.1_bugfix\another_branch.

see ibm technote "about version-extended path" example, , pathnames_ccase doc:

you can add characters end of relative or full path name, turning vob-extended path name.
vob-extended path names specify versions of elements commonly used; called version-extended path names.