Re: Git files data formats documentation

>> <OCTAL_MODE>
>> 	# Octal encoding, without prefix, of the file system object
>> 	# type and permission bits. The bit layout is according to the
>> 	# POSIX standard, with only regular files, directories, and
>> 	# symbolic links permitted. The actual permission bits are
>> 	# all zero except for regular files. The only permission bit
>> 	# of any consequence to Git is the owner executable bit. By
>> 	# default, the permission bits for files will be either 0644
>> 	# or 0755, depending on the owner executable bit.
>> 	;
> 
> It's not really "by default" -- more like "by definition", since
> there is no way for the program to use something different.  We
> used to record non-canonical modes in ancient versions of git,
> but I think fsck-objects would warn on objects created that way.
>