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bin:no-ansi: Correct allowed byte ranges

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Correct the allowed byte ranges of the APC, DCS, OSC, PM & SOS
sequences. All but the SOS sequence allow additionally the bytes in the
range `0x8 - 0xD` and SOS may be followed by any sequence of bytes
except for SOS and ST (i.e. `\eX` & `\e\\`).

Link: https://www.ecma-international.org/wp-content/uploads/ECMA-48_5th_edition_june_1991.pdf#page=27
This commit is contained in:
Julian Prein
2025-09-19 00:51:47 +02:00
parent 8aa76b3ee6
commit 27791acf50
1 changed files with 3 additions and 4 deletions
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7
.local/bin/no-ansi
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@@ -11,13 +11,12 @@
# See: # See:
# - https://en.wikipedia.org/wiki/ANSI_escape_code # - https://en.wikipedia.org/wiki/ANSI_escape_code
# - https://www.ecma-international.org/wp-content/uploads/ECMA-35_6th_edition_december_1994.pdf # - https://www.ecma-international.org/wp-content/uploads/ECMA-35_6th_edition_december_1994.pdf
# # - https://www.ecma-international.org/wp-content/uploads/ECMA-48_5th_edition_june_1991.pdf
# TODO: which bytes do DCS, OSC, SOS, PM & APC (second pattern) actually allow?
# Find some documentation, since `[ -~]` is guessed.
env LC_ALL=C sed -E "$(printf "%b" \ env LC_ALL=C sed -E "$(printf "%b" \
's/' \ 's/' \
'\033\\[[0-?]*[ -/]*[@-~]' '|' \ '\033\\[[0-?]*[ -/]*[@-~]' '|' \
'\033[]PX^_][ -~]*\033\\\\' '|' \ '\033[]P^_][\010-\015 -~]*\033\\\\' '|' \
'\033X([^\033]|\033+[^\033X\\])*\033+\\\\' '|' \
'\033[ -/]*[0-~]' \ '\033[ -/]*[0-~]' \
'//g')" '//g')"