On 3/23/2018 9:46 AM, Henning Hraban Ramm wrote:
Ahoi, since i recently updated my ConTeXt beta, Lua function string.format
behaves differently, i.e. type checks are stricter.
I guess it’s due to switching to Lua 5.3 in LuaTeX?
This is indeed one of the changes in 5.3 (more about that at the ctx
meeting).
Anyway, format is a bit unstable over time anyway, which is why in
context we have string.formatters with some more options (cld manual):
print(string.formatter("%r",1))
print(string.formatter("%r",1.1))
print(string.formatter("%p",1))
print(string.formatter("%p",1.1))
etc. On the average its also faster than string.format. It means that we
could make the transition to 5.3 without too much hassle (very little
had to be adapted and luigi and i are running context with 5.3 for quite
a while now).
E.g. this:
if tonumber(string.format('%d', value)) == value then ...
throws
bad argument #2 to 'format' (number has no integer representation)
Since I just need to check if the number is integer, this works:
if tonumber(value) == math.floor(value) then ...
This also affects Peter Münster’s grph-downsample module; please find a fixed
version attached.
(Decimal pixel sizes make no sense anyway, so I just "floored" them.)
better round them
Greetlings, Hraban
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