47 lines
1.7 KiB
XML
47 lines
1.7 KiB
XML
<?xml version="1.0" encoding="UTF-8"?>
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<!--
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This file is part of Inkscape.
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Authors:
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Rafael Siejakowski <rs@rs-math.net>
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Copyright (C) 2022 the Authors.
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Released under GNU GPL v2+, read the file 'COPYING' for more information.
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-->
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<language id="svgpoints" _name="SVG attribute 'points' of polygon and polyline elements" version="2.0" _section="Markup">
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<styles>
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<style id="error" _name="Error" map-to="def:error"/>
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<style id="numeric" _name="Vertex coordinate" map-to="def:number"/>
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</styles>
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<definitions>
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<define-regex id="exponent">e[+\-]?\d+</define-regex>
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<define-regex id="fractional-constant">\d*\.\d+|\d+</define-regex>
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<define-regex id="number">\%{fractional-constant}(\%{exponent})?</define-regex>
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<define-regex id="coordinate">[+\-]?\%{number}</define-regex>
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<define-regex id="invalid">[^\-+\s\r\n,\.0-9eE]</define-regex>
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<!-- Invalid character (not allowed in the 'points' attribute). -->
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<context id="invalid-char" style-ref="error" extend-parent="false" end-parent="true">
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<match>\%{invalid}</match>
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</context>
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<!-- The 'points' attribute. -->
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<context id="svgpoints">
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<include>
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<!-- Coordinate pair is defined as a region (allows for two numbers on separate lines). -->
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<context id="point">
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<start>\%{coordinate}</start>
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<end>\%{coordinate}</end>
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<include>
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<context ref="invalid-char"/>
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<context sub-pattern="0" where="start" style-ref="numeric"/>
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<context sub-pattern="0" where="end" style-ref="numeric"/>
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</include>
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</context>
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<context ref="invalid-char"/>
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</include>
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</context>
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</definitions>
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</language>
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