\setuplanguage[explicitrighthyphenchar=-1] only works for English

\setuplanguage[explicitrighthyphenchar=-1] only works for English

[Pablo Rodriguez via ntg-context]

Hans,

sorry for insisting again, but I’m still experiencing this issue in
latest current (from less than an hour ago):

  \startluacode
  function document.addfunnyhyphen(tfmdata)
      local underscore = utf.byte("_")
      local char       = tfmdata.characters[underscore]
      if not char then return end
      tfmdata.characters[0xFE000]   = {
          width    = 0,
          height   = 0,
          depth    = 0,
          commands = {
              { "right", -char.width },
              { "down", char.depth },
              { "slot", 1, underscore },
          }
      }
  end

  utilities.sequencers.appendaction("aftercopyingcharacters",
  "after","document.addfunnyhyphen")
  \stopluacode

  \definehyphenationfeatures
     [underscore]
     [righthyphenchar="FE000]

  \setuphyphenation[method=traditional]%
  \sethyphenationfeatures[underscore]%
  \setuplanguage
    [explicitrighthyphenchar=-1]
  \setupinteractionscreen[option=singlesided]
  \starttext
  \doloopoverlist
    {es,en,uk,de,nl,pt,fr,it,deo,da,sv,af,no,nb,pl,cs,sk,hr,sl,fi,et,hu}
  {\mainlanguage[\recursestring]
  \startTEXpage[offset=1em, width=5em]
    \hsize\zeropoint
    \recursestring: \\
    \tt
    \hyphenatedword{legibility-legible}
  \stopTEXpage}
  \stoptext

pt, hr and et don’t break the line at the hyphen. af breaks the line at
the hyphen adding an underscore just below the hyphen.

Either I’m missing something extremely basic, or
"\setuplanguage[explicitrighthyphenchar=-1]" only works for English.

Many thanks for your help,

Pablo
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