as Wolfgang said,I resolved the empty pages problem in doublesided configuration by using below code.
\setupsectionblock[bodypart] [
page=no,number=yes,
before=\pagebreak[right], ## force the page setup before the sectionblock,
after=\pagebreak[yes],## force the page setup after the sectionblock,
]
The codes works well with different head(chapter/section)‘s page setup.
----------------------------
zhongtian wang
Shijiazhuang YouWen Information Technology Co.,Ltd,China
13311202589 [email protected]
------------------ 原始邮件 ------------------
发件人：Wolfgang Schuster "[email protected]"
时 间：2026/02/14 15:35:01 周六
收件人：[email protected]
抄送人：
主 题：[NTG-context] Re: sectionblocks (matters)
Am 13.02.2026 um 23:23 schrieb Henning Hraban Ramm:
> Hi, my book is nearly finished, but it has one page too much.
> I could shorten one, but it doesn’t help, because the appendix insists
> to start on a right page (after an empty left page).
>
> This is my setup:
>
> \setupsectionblock[frontpart][page=no,number=no]
> \setupsectionblock[bodypart][page=right,number=yes,setups=headeryes]
The page setting for section blocks is applied at the begin and end of
the block and therefore forces the next block after bodypart to start on
a right page.
Wolfgang
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