feature for example

modules/fontane/transform.xqm

@@ -1385,7 +1385,7 @@ let $lineHeight := fontaneTransfo:lineHeight( ($node/ancestor::tei:zone)[1] ),
                                    width="{$width}" height="{$lineHeight - 0.2}cm"
                                    viewBox="0 0 {$viewW} 100"
                                    preserveAspectRatio="none"
-                                   style="left:{string(if($mlnum lt -0.19) then -0.2 else $mlnum)}cm;top: 7px;">
+                                   style="left:{$mlnum}cm;top: 7px;">
                                 <path class="c-halfbow-posleft"
                                       fill="none" stroke-width="2"
                                       d="M 78.36,37.00