[luatex] Odd Lua issue with ^^@

Akira Kakuto kakuto at fuk.kindai.ac.jp
Wed Mar 29 10:36:37 CEST 2017

> ....\T1/cmr/m/n/10 ^@
> ....\kern -5.13763 (for accent)

Previously we were using static int read_line() by Taco.
Now we are using one in lua 5.2.4, where there is a line:
l = strlen(p);
Probably this seems to be a reason of the difference.


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