On top of all that I also get (using an old mtx-update): TeXExec | using mp engine mpost TeXExec | using mps format path /Users/mojca/context/test/tex/texmf-osx-64/web2c TeXExec | generating mps format metafun This is MetaPost, version 1.211 (kpathsea version 6.0.0dev) (INIMP) (/Users/mojca/context/test/tex/texmf-context/metapost/context/base/metafun.mp (/Users/mojca/context/test/tex/texmf-context/metapost/context/base/mp-base.mp Preloading the plain mem file, version 0.63) (/Users/mojca/context/test/tex/texmf-context/metapost/context/base/mp-tool.mp) (/Users/mojca/context/test/tex/texmf-context/metapost/context/base/mp-spec.mp) (/Users/mojca/context/test/tex/texmf-context/metapost/context/base/mp-core.mp) (/Users/mojca/context/test/tex/texmf-context/metapost/context/base/mp-page.mp) (/Users/mojca/context/test/tex/texmf-context/metapost/context/base/mp-text.mp) (/Users/mojca/context/test/tex/texmf-context/metapost/context/base/mp-txts.mp) (/Users/mojca/context/test/tex/texmf-context/metapost/context/base/mp-shap.mp) (/Users/mojca/context/test/tex/texmf-context/metapost/context/base/mp-butt.mp) (/Users/mojca/context/test/tex/texmf-context/metapost/context/base/mp-char.mp) (/Users/mojca/context/test/tex/texmf-context/metapost/context/base/mp-step.mp) (/Users/mojca/context/test/tex/texmf-context/metapost/context/base/mp-grph.mp) (/Users/mojca/context/test/tex/texmf-context/metapost/context/base/mp-figs.mp) (/Users/mojca/context/test/tex/texmf-context/metapost/context/base/mp-mlib.mp) (/Users/mojca/context/test/tex/texmf-context/metapost/context/base/mp-grid.mp (/Users/mojca/context/test/tex/texmf-context/metapost/context/base/mp-form.mp ! I can't find file `string'. l.81 input string Please type another input file name: even though (when I go to a new terminal and set the path properly):
kpsewhich string.mp /Users/mojca/context/test/tex/texmf/metapost/base/string.mp
This is followed by loading : ConTeXt Backend Macros / PDF ) ! I can't find file `lpdf-pdx.mkiv'. <to be read again> \relax l.90 \loadmarkfile{lpdf-pdx} % might be merged into lpdf-ini But this might only be a side-effect of something else (file exists). It might be a bit difficult to reproduce - I'm using a slightly older mtx-update.lua (but I can send it if anyone is interested). Mojca