PDF: Do not insert page break after every clause

[ronaldtse]

Our PDF:

There is also an issue with line flow.

Original PDF:

[Intelligent2013]

XSLT puts the page break after every 1st level depth clause except the second clause (if it contains only one sentence). As in the original PDF. But the clause 2 is third 1st level depth element in the sections because first element is abstract (it should be in preface). I'll update the condition - omit the page break after clause with number 2 in the title.

[Intelligent2013]

There is also an issue with line flow.

The issue occurs due the character U+3000 (IDEOGRAPHIC SPACE' (U+3000)) FOP doesn't render properly it. I've tried to add hair space after U+3000 and the result looks correctly:

[Intelligent2013]

Plateau XSLT updated and will be available in metanorma-plateau repo soon.