<xlocnum>
: Fix grouping for num_get
#3684
Merged
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Fixes #1277.
Unblocking one libcxx test:
std/localization/locale.categories/category.numeric/locale.num.get/facet.num.get.members/get_long.pass.cpp
Also moves the test for non-ending unlimited grouping to the new test file.
I'm not sure when the grouping string is
"\0"s
which means grouping is not limited:"17,,29"
can be parsed without settingfailbit
, and"0,x1729"
should be parsed as a whole...