As a followup to my query on suppressing header marking, I have prepared
an example which clearly shows odd, if not buggy behavior.
The book places chapter openings on recto pages which follow a verso
that may have an epigraph. When there is no epigraph, the blank verso is
properly unmarked by a header, but when there is an epigraph, the header
from the previous chapter appears on the page. How can I eliminate this
orphan header?
\setuppagenumbering [alternative=doublesided,location=]
\setupheadertexts [][{\it\getmarking[section]}]
[{\it\getmarking[chapter]}][]
\starttexdefinition unexpanded startSectionEpigraph
\dostartbuffer [SectionEpigraph]
[startSectionEpigraph][stopSectionEpigraph]
\stoptexdefinition
\setuphead [chapter][
beforesection=\setups{chapter:epigraph}]
\startsetups chapter:epigraph
\page[yes,left]% same result with yes,header,footer,left
\doifelsebuffer{SectionEpigraph}
{\getbuffer[SectionEpigraph]
\resetbuffer[SectionEpigraph]}
{\donothing}
\page[yes,header,footer,right]
\stopsetups
\starttext
\completecontent
\startfrontmatter
\startchapter[title=Preface]
\startparagraph
\input ward
\stopparagraph
\stopchapter
\stopfrontmatter
\startbodymatter
\startchapter[title=Chapter First]
\startparagraph
\input ward
\stopparagraph
\stopchapter
\startSectionEpigraph
Why does this page have the heading
from the previous chapter?
\stopSectionEpigraph
\startchapter[title=Chapter Second]
\startparagraph
\input ward
\stopparagraph
\stopchapter
\startSectionEpigraph
Look up!
\stopSectionEpigraph
\startchapter[title=Chapter Third]
\startparagraph
\input ward
\stopparagraph
\stopchapter
\startchapter[title=Chapter Final]
\startparagraph
\input ward
\stopparagraph
\stopchapter
\stopbodymatter
\stoptext
--
Rik
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