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Rev 79794 Rev 79801
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   in the comments.  The (slightly modified) version used is in the
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   in the comments.  The (slightly modified) version used is in the
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   top-level tools directory.
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   top-level tools directory.
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   Or look at the glibc sources (data in localedata/unicode-gen).
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   Or look at the glibc sources (data in localedata/unicode-gen).
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   That generates a file i18n_ctype via a Python script gen_unicode_ctype.py.
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   That generates a file i18n_ctype via a Python script gen_unicode_ctype.py.
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   Unicode 14.0 is expected ca 2021-09.
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 */
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 */
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/* ------------------- iswalpha -------------------- */
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/* ------------------- iswalpha -------------------- */
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/* The C99 standard defines this as
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/* The C99 standard defines this as
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  +30000..3134A \
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  +30000..3134A \
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  +E000..F8FF +F0000..FFFFD +100000..10FFFD \
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  +E000..F8FF +F0000..FFFFD +100000..10FFFD \
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  c > print.h
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  c > print.h
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Some spaces are not printable (0x9..0xD), nor 2028..2029
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Some spaces are not printable (0x9..0xD), nor 2028..2029
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However, 200D (zero-width joiner) has to be, and is not in native macOS.
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We regard private use ranges as printable: glibc does not.
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We regard private use ranges as printable: glibc does not.
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 */
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 */
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static const struct interval table_wprint[] = {
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static const struct interval table_wprint[] = {
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    { 0x20, 0x7e },
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    { 0x20, 0x7e },
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    { 0xa0, 0x377 },
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    { 0xa0, 0x377 },