Hello For reference: Here is the ConTeXt way of entering a long text-Index, which works with lmtx: \starttext \m{F_{\text{long Index}}=m_{\text{long Index}}a} \stoptext Sorry for the noise. (Perhaps a change correlated to the prime discussion...) Christian Am Mi., 25. März 2020 um 09:53 Uhr schrieb Christian Prim < christian.prim@gmx.ch>: > Hello list > > Sorry to ask again. What do I miss in following MWE? > > \starttext > \m{F_{\rm longIndex}=m_{\rm longIndex}a} > \stoptext > > The index longIndex overlaps the following characters "=" and "a" when > processed with lmtx. No problems with mkiv. > > Thanks for your help > Christian > > Am Sa., 21. März 2020 um 17:27 Uhr schrieb Christian Prim < > christian.prim@gmx.ch>: > >> Hello >> >> Following MWE produces strange output in latest LMTX. mkiv (also latest) >> output is ok. >> >> \usetypescript[palatino] >> \setupbodyfont[palatino,11pt] >> \starttext >> \m{F_{\rm longIndex}=m_{\rm longIndex}a} >> \stoptext >> >> The spacing in the index is wrong. >> >> What am I missing? >> >> Thanks in advance >> Christian >> >