Re: [FYI] m4sugar: fix AS_VAR_GET regression.

On 2013-01-29 14:31, Gary V. Vaughan wrote:
> Hi Peter,
> 
> On 29 Jan 2013, at 20:17, Peter Rosin <[email protected]> wrote:
>> On 2013-01-29 13:27, Gary V. Vaughan wrote:
>>>
>>> Normally, @command{printf} is safer and easier to use than @command{echo}
>>> -and @command{echo -n}.  Thus, you should use @command{printf '%s\n'}
>>> +and @command{echo -n}.  Thus, you should use @command{printf "%s\n"}
>>
>> Shouldn't it be
>>
>>  printf "%s\\n"
>>
>> when you write it outside single quotes?
> 
> Apparently not; before my original patch, AS_ECHO would (under the right
> circumstances) expand to 'printf "%s\n"' (single backslash), and indeed
> passes the testsuite again now that I've patched it to expand to the same
> under all circumstances.

Right, to the shell "\n" is the same as "\\n", I see that now. It just
felt wrong to not escape the escape character. Sorry for the noise.

Cheers,
Peter