In OpenERP, the rml repots generates will omit the white spaces between lines. So in order to maintain the white spaces between lines needs to modify the base code in openerp report module or modify the rml syntax.
Solution 1:
=== modified file 'openerp/report/render/rml2pdf/trml2pdf.py'
--- openerp/report/render/rml2pdf/trml2pdf.py 2012-07-16 07:52:17 +0000
+++ openerp/report/render/rml2pdf/trml2pdf.py 2012-07-19 10:16:33 +0000
@@ -743,6 +743,8 @@
style.__dict__.update(extra_style)
result = []
for i in self._textual(node).split('\n'):
+ if len(i.strip()) == 0:
+ i = '<font color="white"> </font>'
result.append(platypus.Paragraph(i, style, **(utils.attr_get(node, [], {'bulletText':'str'}))))
return result
elif node.tag=='barCode':
Solution 2:
Replace <para></para> with <xpre></xpre> in rml file.
ex:
<xpre style="terp_default_9">[[ format(o.note or '') ]]</xpre>
