Unexpected accent in lowfat stronglemma field

[RobH123]

           <w xml:id="o010250030122"
              mandarin="利乌米人"
              english="Leummim"
              morph="Np"
              pos="noun"
              after="׃"
              type="proper"
              transliteration="ləʾummiym:"
              ref="GEN 25:3!12"
              sdbh="003494001001000"
              stronglemma="לְאֻמִּ֑ים"
              lexdomain="003001006"
              coredomain=""
              greek="λοωμιμ"
              strongnumberx="3817"
              unicode="לְאֻמִּֽים"
              class="noun"
              lang="H"
              lemma="לְאֻמִּ֑ים">לְאֻמִּֽים</w>

has an unexpected accent in the stronglemma field -- see fourth-to-last character at https://www.fontspace.com/unicode/analyzer#e=c3Ryb25nbGVtbWE9Itec1rDXkNa7157WvNa01pHXmdedIg

Discovered by accident, so I haven't checked how widespread of an occurrence this is (or not). I'm assuming it's unexpected for you too, but correct me if I'm misunderstanding something. (I didn't expect accents on lemmas.)