Re: [NTG-context] Howto typeset physical half-life

18 Apr 2015

      On 4/18/2015 11:28 AM, Alan BRASLAU wrote:
...
On Fri, 17 Apr 2015 23:51:56 +0200
Hans Hagen  wrote:
...
Anyway, I've added a checker so that at least it gets reported
(assuming the use of one math collection):
mkiv lua stats  > unknown math characters: ½ (U+000BD) (n=3)
This will be quite useful.
A question in general for the mailing list: should missing math (and
text) characters simply not appear or should some placeholder (such as
a box) be rendered in its place? This could help with proofreading.
Nevertheless, having missing characters reported in the log file is a
good diagnostic.
we already have

\enabletrackers[fonts.missing=replace] % top of file

which should show something with

\starttext
     \m{T_α}
     \m{T_½}
     \m{T½_½}
     test \char3211 test
\stoptext

I've extended that to math so that you will get a placeholder there too 
(more visible with this option, otherwise a "?" will be used as 
replacement).

Hans

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