[commit: packages/process] master: Update Common.hs (78a9636)

[git at git.haskell.org]

Repository : ssh://git@git.haskell.org/process

On branch  : master
Link       : http://ghc.haskell.org/trac/ghc/changeset/78a963699d8fd470591802987890aa69a2a0f2de/process

>---------------------------------------------------------------

commit 78a963699d8fd470591802987890aa69a2a0f2de
Author: James Cheney <james.cheney at gmail.com>
Date:   Mon Jan 30 14:38:58 2017 +0000

    Update Common.hs
    
    #87


>---------------------------------------------------------------

78a963699d8fd470591802987890aa69a2a0f2de
 System/Process/Common.hs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/System/Process/Common.hs b/System/Process/Common.hs
index b2caae6..3c8d370 100644
--- a/System/Process/Common.hs
+++ b/System/Process/Common.hs
@@ -66,7 +66,7 @@ type PHANDLE = CPid
 #endif
 
 data CreateProcess = CreateProcess{
-  cmdspec      :: CmdSpec,                 -- ^ Executable & arguments, or shell command.  Relative paths are resolved with respect to 'cwd' if given, and otherwise the current working directory.
+  cmdspec      :: CmdSpec,                 -- ^ Executable & arguments, or shell command.  If 'cwd' is 'Nothing', relative paths are resolved with respect to the current working directory.  If 'cwd' is provided, it is implementation-dependent whether relative paths are resolved with respect to 'cwd' or the current working directory, so absolute paths should be used to ensure portability.
   cwd          :: Maybe FilePath,          -- ^ Optional path to the working directory for the new process
   env          :: Maybe [(String,String)], -- ^ Optional environment (otherwise inherit from the current process)
   std_in       :: StdStream,               -- ^ How to determine stdin