Re: [edk2] Inconsistent handling of backspace OVMF/VirtualBox/PhysicalMachine

Subject: Re: [edk2] Inconsistent handling of backspace OVMF/VirtualBox/PhysicalMachine

From: Andrew Fish <afish@apple.com>

To: edk2-devel@lists.sourceforge.net

Date: 2013-09-17 22:57:30



On Sep 17, 2013, at 2:49 PM, "David F."  wrote:

> Hi,
> 
> Initial testing on physical machines the backspace sending to ConOut correctly just back spaced with no clearing of characters.  Under VirtualBox (OVMF) it will clear characters which is not expected.  The user would need to send "\b \b" if they want to clear a character.   Perhaps the spec should be clarified that backspace should just backspace (like CR just does a CR and LF just does a LF).
> 

What text in the spec is confusing? In UEFI 2.4  section 11.1.2 ConsoleIn Definition, Table 89 describes, in a similar way how BS, LF, and CR move the cursor. 

Thanks,

Andrew Fish

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