ludic.ui: a pooled node's reset lets go of its wrapped lines instead of clearing them - they are the memo's list (ly_wrap), shared by every node with that text, so a text that wraps vanished from the third frame on, in the game as in ui-preview; smoke.txt holds four frames of it

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

packages/ludic.ui/node.ludic

@@ -55,7 +55,7 @@ export property UiNode {
   z: int = 0
   nowrap: bool = false          # white-space: nowrap
   ellipsis: bool = false        # text-overflow: ellipsis
-  lines: []string = null        # a wrapped text's lines
+  lines: []string = null        # a wrapped text's lines: the memo's (ly_wrap), not the node's
   none: Val = Value.null()      # what ui_attr answers for an attribute it lacks: made with the node, read only
   var_names: []string = null    # its custom properties (--name), which its descendants inherit
   var_vals: []string = null

packages/ludic.ui/pool_reset_more.ludic

@@ -2,7 +2,7 @@
 function nd_reset_b(n: UiNode) -> void {
   n.nowrap = false
   n.ellipsis = false
-  if n.lines != null { List.clear(n.lines) }
+  n.lines = null                       # the memo's list (ly_wrap), shared by every node with that text: never cleared
   if n.var_names != null { List.clear(n.var_names) }
   if n.var_vals != null { List.clear(n.var_vals) }
   n.fg = -1

tools/ui-preview/smoke.txt

@@ -142,6 +142,32 @@
 < 0 0 1 1 #ffffff 1
 <= ok
 
+# wrapped text stays drawn: a pooled node's reset once emptied the memo's shared lines, so a text
+# that wraps vanished from the third frame on (two generations a screen)
+> load "Wrap" "<div class=\"c\"><p>Seesaibling aus dem Nordbecken</p></div>" ".c { width: 120px }"
+<= ok
+
+> show "Wrap"
+<= ok
+
+> frame 0
+< "Seesaibling aus"
+< "dem Nordbecken"
+<= ok
+
+> frame 1
+< "Seesaibling aus"
+<= ok
+
+> frame 2
+< "Seesaibling aus"
+< "dem Nordbecken"
+<= ok
+
+> frame 3
+< "dem Nordbecken"
+<= ok
+
 > frobnicate
 <= fail "unknown request frobnicate"