no frontmatter head on recto page

[jbf <roma83537@gmail.com>]

For some reason that I cannot work out, the recto page header is not 
appearing in frontmatter sections like Foreword. It is important to note 
that for this item I am using:

\definehead
   [foreword] [chapter]...

\setuphead
   [foreword]
   [frontpartlabel=foreword,
    conversion=empty]

Then starting this section in the main body with 
\startforeword...\stopforeword.

As 'foreword' is based on chapter, I thought it would all work correctly 
given that I already have:

  [{\hfill\getmarking[chapter]\hfill}][]
   [{\hfill\documentvariable{metadata:title}\hfill}][]

And I also have:

\setupsectionblock[frontpart][page=yes] in case that is important as well.

I am getting the verso page header (the book's title, obviously coming 
from the \documentvariable{metadata:title}), but not the recto header 
(in this case 'Foreword'). What am I doing wrong?

I tried two solutions to solve the problem, neither worked:

1. In \setuphead I thought perhaps I might need to add placehead=yes, 
but that did nothing.

2. I also tried  [{\hfill\getmarking[chapter, foreword]\hfill}][] in 
case I needed to add in 'foreword', having defined it as a head. That 
did nothing either. Any clues as to what I am missing?

Julian


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