On Sat, 10 Jan 2026 at 07:34, luigi scarso <[email protected]> wrote:
> > > On Thu, 8 Jan 2026 at 09:22, Hironori KITAGAWA via luatex <[email protected]> > wrote: > >> Hello, >> >> I'm trying to use RTT direction and "Identity-V" encoding fonts >> for better vertical typesetting. >> But I found that the glyph position is odd: >> >> \hbox dir RTT{% >> \HMV % a 10bp font which uses Identity-V CMap >> 縦\kern5bp 書\kern-10bp き >> \vrule height 5bp depth 0pt width 2bp >> } >> (input: wmode_test.tex (process by luatex-plain); >> luatex binary: svn7707) >> >> * glyphs are too low (about the height of "縦") and left (5bp = 0.5em). >> * spaces generated by "\kern5bp" and "\kern-10bp" are >> reversed in the output. >> >> Is this an intended behavior? >> > > I will check this weekend > > Hm perhaps a bad interaction between res.identity='vertical'; res.writingmode='vertical' and the RTT dir of hbox If you comment res.identity='vertical'; res.writingmode='vertical' is the \hbox dir RTT{% \vrule height 5bp depth 0pt width 2bp% \HMV % 縦 書 き \vrule height 5bp depth 0pt width 2bp } ok ? -- luigi
