Bug#695844: syntactical break between 'grub2' and 'grub' ?

[Wheezytester <wheezytester@online.de>]

Package: installation-reports

Boot method: DVD
Image version: Wheezy beta 4
Date: 10th Dec. 2012

Machine: Asus Laptop
Processor: Intel Core 2
Memory:
Partitions: 3 primary, 1 extended with 5 logical drives

Output of lspci -knn (or lspci -nn):

Base System Installation Checklist:
[O] = OK, [E] = Error (please elaborate below), [ ] = didn't try it

Initial boot:           [O]
Detect network card:    [O]
Configure network:      [ ]
Detect CD:              [O]
Load installer modules: [O]
Detect hard drives:     [O]
Partition hard drives:  [O]
Install base system:    [O]
Clock/timezone setup:   [O]
User/password setup:    [O]
Install tasks:          [O]
Install boot loader:    [E]
Overall install:        [O]

Comments/Problems:

There had allready two systems been installed: 
'openSuse 10.8' and 'Debian 4 (Etch)', both on logical drives. 
After installing 'Debian 7 b4' on /dev/sda1, 'grub2' detected both of them. 
But only 'openSuse' was bootable by selecting from the boot-menu.
'Debian 4' wasn´t bootable from the grub2-menu anymore,
even after many trials of editing the menu-entry.

There may be a syntactical break between 'grub2' and 'grub'.
My sugestion would be, to ship the installation with both:
'grub2' and 'grub legacy', as you did with 'Debian 5 (Lenny)'.

Please, give me a re, if this is known problem installing 'grub2'.

Yours, 
-- 
Wheezytester <wheezytester@online.de>