72 lines
2.0 KiB
Plaintext
72 lines
2.0 KiB
Plaintext
# liblouis: English (Unified) math definitions
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#
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# Copyright (C) 2016 American Printing House for the Blind, Inc. www.aph.org
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#
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# This file is part of liblouis.
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#
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# liblouis is free software: you can redistribute it and/or modify it
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# under the terms of the GNU Lesser General Public License as
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# published by the Free Software Foundation, either version 2.1 of the
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# License, or (at your option) any later version.
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#
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# liblouis is distributed in the hope that it will be useful, but
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# WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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# Lesser General Public License for more details.
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#
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# You should have received a copy of the GNU Lesser General Public
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# License along with liblouis. If not, see
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# <http://www.gnu.org/licenses/>.
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# Semantic character sequences
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# Prefix characters, only definitions as they should always occur as pairs with other characters.
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math \xf400 0
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math \xf401 0
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math \xf402 0
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math \xf403 0
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# Begin and end equations
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replace \xf32e
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replace \xf32f
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# Subscript and superscript
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math \xf320 26-126
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replace \xf401\xf320
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#always \xf402\xf320 345
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math \xf321 35-126
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replace \xf401\xf321
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#always \xf402\xf321 345
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# Underscript and overscript
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math \xf322 46-26-126
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replace \xf401\xf322
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#always \xf402\xf322 345
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math \xf323 46-35-126
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replace \xf401\xf323
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#always \xf402\xf323 345
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# Roots
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math \xf32a 146
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math \xf32b 346
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math \xf32c 146-35-126
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#always \xf403\xf32a 345
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# Fractions
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math \xf500 12356
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math \xf501 23456
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math \xf503 46-34
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# Grouping symbols
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math \xf326 126
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#math \xf327 345
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# Protect against incorrect use of escapes or where escape not really needed
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# eg. brackets from mfenced
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replace \xf400
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replace \xf401
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replace \xf402
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replace \xf403
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# Corrections
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# Remove grouping from around superscripts and subscripts
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noback pass2 @35-126[$d1-5]@345 @35*
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noback pass2 @26-126[$d1-5]@345 @26*
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# Remove grouping from fractions
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noback pass2 @12356-126[$d1-5]@345-46-34_2 @12356*
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noback pass2 @46-34-126[$d1-5]@345-23456 @46-34*@23456
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