On Mon, Dec 27, 2010 at 3:56 AM, Vanessa Ezekowitz
<vanessaezekow...@gmail.com> wrote:
> On Sun, 26 Dec 2010 23:55:04 -0500
> al davis <ad...@freeelectron.net> wrote:
>
>> On Saturday 25 December 2010, Vanessa Ezekowitz wrote:
>> > * If the part in question can usually be described by a
>> > single value, for the purposes of the signal flow in the
>> > schematic that is, then give it a default of "value=0".
>>
>> No.  Zero is almost always wrong.
>
> Exactly my point - it is *supposed* to be wrong.
>
> I chose zero here because anyone who sees it in their schematic file should 
> instantly think, "Oops, I forgot to set the value of that part".  From my own 
> experience, it is easier to spot something that is visibly flat out wrong 
> than to look for something that is just not there.
>
> Setting it to zero by default could even be used to signal Gschem to add an 
> extra highlight to those symbols bearing it.  Perhaps the default, 
> highlight-sensitive string should be exactly "0.0" or some variation of that, 
> since no sane user would type anything but a single "0" when they mean "zero".
>

No valid number should be used for a "default" in such a generic
symbol.  I use 0 ohm resistors often, they are stuffing shorts.  a
default of ? is obvious, it clearly shows a value that has not been
assigned.


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