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Functions date and time (from iolib)
have been superseded by the new, more powerful version of function date.
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Function append (from iolib) now returns 1 whenever it succeeds,
whether the file is new or not.
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Function int2str (from strlib) has been superseded by new
function format, with parameter "%c".
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The API lock mechanism has been superseded by the reference mechanism.
However, lua.h provides compatibility macros,
so there is no need to change programs.
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The API function lua_pushliteral now is just a macro to
lua_pushstring.
Next: Incompatibilities with version 2.1
Up: Incompatibilities with Previous Versions
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