On Fri, 11 Apr 2014, Sanjoy Mahajan wrote:
I cannot say whether the wrong placement is due to the wrong font metrics or the wrong mapping (mathop vs mathord) by ConTeXt.I tried '\triangle T' (often used as the Laplacian operator, instead of writing it out as \nabla^2). That one comes out fine, even though \triangledown does not. But they seem to have similar kinds of defintions/mappings: From luatex-math.tex : \def\triangle {\Umathchar "0"0"0025B3 } \def\triangledown {\Umathchar "2"0"0025BD } So it must be a wrong font metric?
AFAIU, ConTeXt does not use luatex-math.tex. The mappings are defined in char-def.lua.
triangle is defined as a mathord (like nabla) while bigtriangleup is a mathop (like triangledown).
Aditya ___________________________________________________________________________________ If your question is of interest to others as well, please add an entry to the Wiki! maillist : ntg-context@ntg.nl / http://www.ntg.nl/mailman/listinfo/ntg-context webpage : http://www.pragma-ade.nl / http://tex.aanhet.net archive : http://foundry.supelec.fr/projects/contextrev/ wiki : http://contextgarden.net ___________________________________________________________________________________
