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authorHans Bolinder <[email protected]>2018-09-17 10:33:29 +0200
committerHans Bolinder <[email protected]>2018-09-17 13:19:30 +0200
commit2d04d2bdf95c3a5f143ed2a5b9295fbf197b9b0b (patch)
treebc36d3788a8b1f1a877d94a6ebac9adfe8031d8c /lib/kernel/vsn.mk
parent82db62ab096cffd29c7afce6894eece14d5e1390 (diff)
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stdlib: Allow lists with binaries in the Format argument
As a consequence of some refactoring (OTP-14983, option 'chars_limit'), the Format argument of io_lib:format() no longer accepts binaries in lists in Erlang/OTP 21.0. Note that if Format is not of type io:format(), control sequences in Format are ignored. This can result in unpredictable behaviour if, for example, the output of io_lib:format() is used as Format: if the output happens to be a string(), then control sequences are interpreted, otherwise not. A check that Format is of type io:format() will likely be introduced in Erlang/OTP 22.0. That will probably mean work for some users, but considering how unpredictable io_lib:format() is, we should try to fix that.
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