Webengine edit_field question

i trying use "edit_field" in webengine ui. default color  input black. want change different color and  supposedly "text_color" property supposed is  not me. have is:

 

   f:row {

 

               fill_horizontal  = 1,

 

               spacing = f:label_spacing(),

 

               f:static_text  {

 

                  place_horizontal = 0.15,

 

                  title  = "test numeric input field",

 

                  text_color =  lrcolor("light gray"),

 

               },

 

               f:edit_field   {

 

                  place_horizontal = 0.95,

 

                  value  = bind "metadata.grouptest.value",

 

                  min = 1,

 

                  max  = 100,

 

                  precision = 0,

 

                  width_in_digits  = 3,

 

                  alignment = 'right',

 

                  text_color  = lrcolor("light gray"),

 

               },

 

            },

 

"text_color"  works in changing color of text in "static_text" does  nothing "edit_field" text. why not? isn't supposed to? of  other properties "edit_field" work expect except  "text_color". can explain why or might doing wrong?

 

(yes, posted in lightroom forums. see , answer it.)

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