Show invisible characters (tab, space, return) in field

[Paul Dupuis]

You can set the imageSource of the non-printing characters. They will 
remain spaces, tabs, and returns, but can have a small image (you will 
have to make or find) displayed in their place. See imageSource in the 
Dictionary.

set the imageSource of character to {imageID |imageName |imageURL |empty}


On 12/7/2018 8:12 PM, Kaveh Bazargan via use-livecode wrote:
> Thanks Bob. I did mean non-printing characters. I think just space, tab and
> return.
>
> The problem with replacing with with a character is that of course it is
> not a space any more, so text would not wrap as normal. I need the user to
> edit as normal and with normal functionality but see the normally invisible
> characters. So seems I would need a native solution. :-(
>
> On Sat, 8 Dec 2018 at 00:22, Bob Sneidar via use-livecode <
> use-livecode at lists.runrev.com> wrote:
>
>> Not natively. You would have to replace every non-printing character
>> (that's what you mean by invisible I suppose) with a square digbat or
>> something. If you want to filter for only printable characters, I have a
>> function that dies that, and also there are regex strings for that sort of
>> thing.
>>
>> Bob S
>>
>>
>>> On Dec 7, 2018, at 15:44 , Kaveh Bazargan via use-livecode <
>> use-livecode at lists.runrev.com> wrote:
>>> Is there any way of seeing invisible characters in a text field, similar
>> to
>>> the view in text editors and word processors?
>>>
>>> --
>>> Kaveh Bazargan
>>
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>