36a37,47
> 
> 		def issue_list(issues, &block)
>     			ancestors = []
>     			issues.each do |issue|
>       			while (ancestors.any? && !issue.is_descendant_of?(ancestors.last))
>         			ancestors.pop
>       			end
>       			yield issue, ancestors.size
>       			ancestors << issue unless issue.leaf?
>    			end
>   		end
90,91c101,102
< # xls rows
< 			issues.each do |issue|
---
> # xls rows			
> 			issue_list(issues) do |issue, level|
111c122,123
< 				row.replace [issue.id]
---
> 				row.replace [issue.id]
> 				
116c128,133
< 				last_prj = project
---
> 				last_prj = project
> 
> 				if level > 0
> 					s = s.to_s.rjust(level*3) 					
> 					issue.subject = s + issue.subject
> 				end
118c135,142
< 				issue_columns.each_with_index do |c, j|
---
> 				issue_columns.each_with_index do |c, j|
> 
> 					if issue.children?
> 						fmt = Marshal::load(Marshal.dump(row.format(j)))
> 						fmt.font.bold=true
> 						row.set_format(j,fmt)
> 					end
> 
184,185c208,209
< 						else
< 							issue.respond_to?(c.name) ? issue.send(c.name) : c.value(issue)
---
> 						else							
> 					 		issue.respond_to?(c.name) ? issue.send(c.name) : c.value(issue)
196c220
< 				idx = idx + 1
---
> 				idx = idx + 1