cubicweb #5249060 Handle the 'placeholder' of input text and textarea [open]

Q: why only text fields ? Q: why is there no test ? Q: why is there no documentation ?

prioritynormal
typebug
done in<not specified>
load1.000
load left1.000
closed by#927d035b6921 [formfields] Handle 'placeholder' attribute for text and textarea
patch[formfields] Handle 'placeholder' attribute for text and textarea. [applied]