function(row)
          row + { panels: std.mapWithIndex(CalculateXforPanel, row.panels) },
        rowPanels
      );

    local uncollapsed = panelUtil.resolveCollapsedFlagOnRows(panelsBeforeRowsWithX + rowPanelsWithX);

    local normalized = panelUtil.normalizeY(uncollapsed);

    std.map(function(p) p + { gridPos+: { y+: startY } }, normalized),

                    first_child.read_source(config=config)
                    new_title = first_child.title or new_title
            # Creating a new section makes it render it collapsed by default
            # no idea why, so, let's just modify the existing one
            # new_section = Section(title=new_title, children=new_children)
            item.title = new_title

		diag.NewMessageType(diag.Warning, "C1", "Collapse danger: %v"),
		diag.MockResource("GrandCastle"),
		"the castle is too old",
	)

	msgs := diag.Messages{firstMsg, secondMsg}
	output, _ := Print(msgs, LogFormat, false)

	g.Expect(output).To(Equal(
		"Error [B1] (SoapBubble) Explosion accident: the bubble is too big\n" +
			"Warning [C1] (GrandCastle) Collapse danger: the castle is too old",
	))
}

					<div class="navbar-brand"></div>
					<button class="navbar-toggler" type="button" data-toggle="collapse" data-target="#navbar"
							aria-controls="navbar" aria-expanded="false" aria-label="Toggle navigation">
						<span class="navbar-toggler-icon"></span>
					</button>
					<div class="collapse navbar-collapse" id="navbar">
						<div class="mr-auto"></div>
						<ul class="nav navbar-nav">
							<c:if test="${eoled}">

					<div class="navbar-brand"></div>
					<button class="navbar-toggler" type="button" data-toggle="collapse" data-target="#navbar"
							aria-controls="navbar" aria-expanded="false" aria-label="Toggle navigation">
						<span class="navbar-toggler-icon"></span>
					</button>
					<div class="collapse navbar-collapse" id="navbar">
						<div class="mr-auto"></div>
						<ul class="nav navbar-nav">
							<c:if test="${eoled}">

                            </div>
                            <a role="button" data-toggle="collapse" href="#listSearchForm" aria-expanded="false"
                               aria-controls="listSearchForm"><i class="fas fa-search" aria-hidden="true"></i></a>
                            <div class="collapse <c:if test="${!empty term || !empty query}">show</c:if>" id="listSearchForm">

                            </div>
                            <a role="button" data-toggle="collapse" href="#listSearchForm" aria-expanded="false"
                               aria-controls="listSearchForm"><i class="fas fa-search" aria-hidden="true"></i></a>
                            <div class="collapse <c:if test="${!empty term || !empty content}">show</c:if>" id="listSearchForm">

                            </div>
                            <a role="button" data-toggle="collapse" href="#listSearchForm" aria-expanded="false"
                               aria-controls="listSearchForm"><i class="fas fa-search" aria-hidden="true"></i></a>
                            <div class="collapse <c:if test="${!empty urlExpr || !empty boostExpr}">show</c:if>" id="listSearchForm">

                            </div>
                            <a role="button" data-toggle="collapse" href="#listSearchForm" aria-expanded="false"
                               aria-controls="listSearchForm"><i class="fas fa-search" aria-hidden="true"></i></a>
                            <div class="collapse <c:if test="${!empty name || !empty handlerName || !empty description}">show</c:if>" id="listSearchForm">

                            </div>
                            <a role="button" data-toggle="collapse" href="#listSearchForm" aria-expanded="false"
                               aria-controls="listSearchForm"><i class="fas fa-search" aria-hidden="true"></i></a>
                            <div class="collapse <c:if test="${!empty regex || !empty replacement}">show</c:if>" id="listSearchForm">