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14\writestatus{loading}{ConTeXt Math Macros Accents}
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19\unprotect
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78\installcorenamespace{mathaccents}
79
80\installcommandhandler \??mathaccents {mathaccent} \??mathaccents
81
82\aliased\let\setupmathaccents\setupmathaccent
83
84\setupmathaccents
85 [\c!top=,
86 \c!bottom=,
87 \c!mathstyle=,
88 \c!color=,
89 \c!scale=\v!no,
90 \c!alignsymbol=\v!yes,
91
92
93 \c!define=\v!yes,
94 \c!snap=\mathematicsparameter\c!snap]
95
96\definemathaccent
97 [\v!both]
98
99\definemathaccent
100 [\v!top]
101 [\v!both]
102
103\definemathaccent
104 [\v!bottom]
105 [\v!both]
106
107\setupmathaccents
108 [\v!top]
109 [i=\v!auto]
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111\setupmathaccents
112 [\v!both]
113 [i=\v!auto]
114
115\setupmathaccents
116 [\v!bottom]
117 [i=]
118
119\permanent\tolerant\protected\def\definemathtopaccent[#1]#*[#2]#*[#3]
120 {\ifparameter#3\or
121 \frozen\protected\instance\edefcsname#2\endcsname{\math_accent_make_double {#1}\plusone{\number#3}\zerocount}
122 \else
123 \frozen\protected\instance\edefcsname#1\endcsname{\math_accent_make_double\noexpand\currentmathaccent\plusone{\number#2}\zerocount}
124 \fi}
125
126\permanent\tolerant\protected\def\definemathbottomaccent[#1]#*[#2]#*[#3]
127 {\ifparameter#3\or
128 \frozen\protected\instance\edefcsname#2\endcsname{\math_accent_make_double {#1}\plustwo\zerocount{\number#3}}
129 \else
130 \frozen\protected\instance\edefcsname#1\endcsname{\math_accent_make_double\noexpand\currentmathaccent\plustwo\zerocount{\number#2}}
131 \fi}
132
133\permanent\tolerant\protected\def\definemathdoubleaccent[#1]#*[#2]#*[#3]#*[#4]
134 {\ifparameter#4\or
135 \frozen\protected\instance\edefcsname#2\endcsname{\math_accent_make_double {#1}\plusthree{\number#3}{\number#4}}
136 \else
137 \frozen\protected\instance\edefcsname#1\endcsname{\math_accent_make_double\noexpand\currentmathaccent\plusthree{\number#2}{\number#3}}
138 \fi}
139
140\installlocalcurrenthandler \??mathaccents {mathaccent}
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151\tolerant\protected\def\math_accent_make_double#class#kind#top#bottom#*[#settings]#:#content
152 {\beginmathgroup
153 \setlocalmathaccentcurrent{#class}
154 \startusemathstyleparameter\mathaccentparameter\c!mathstyle
155 \setupcurrentmathaccent[#settings]
156 \edef\p_scale{\mathaccentparameter\c!scale}
157 \ifx\p_scale\v!keep
158 \lettonothing\m_fixed
159 \orelse\ifx\p_scale\v!yes
160 \lettonothing\m_fixed
161 \else
162 \let\m_fixed\s!fixed
163 \fi
164 \Umathaccent
165 \usedcolorparameterattributes{\mathaccentparameter\c!color}
166
167 \ifcstok{\mathaccentparameter\c!align }\v!middle\s!center \space\fi
168 \ifcstok{\mathaccentparameter\c!stretch}\v!yes \s!stretch\space\fi
169 \ifcstok{\mathaccentparameter\c!shrink }\v!yes \s!shrink \space\fi
170 \ifcstok{\mathaccentparameter\c!snap }\v!yes \s!single \space\fi
171 \ifx\p_scale\v!keep
172 \s!keepbase\space
173 \fi
174 \ifcstok{\mathaccentparameter\c!alignsymbol}\v!yes
175 \s!nooverflow\space
176 \fi
177 \ifcstok{\mathaccentparameter\c!offset}\v!auto
178 \s!base\space
179 \fi
180 \ifcase#kind\or
181 \s!top\space
182 \m_fixed
183 \fam\zerocount#top
184 \or
185 \s!bottom\space
186 \m_fixed
187 \fam\zerocount#bottom
188 \or
189 \s!both\space
190 \m_fixed
191 \fam\zerocount#bottom
192 \fam\zerocount#top
193 \fi
194 {\ifcstok{\mathaccentparameter{i}}\v!auto\mathdotless\fi#content}
195 \stopusemathstyleparameter
196 \endmathgroup}
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214\pushoverloadmode
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233\definemathtopaccent[\v!top][grave] ["0300]
234\definemathtopaccent[\v!top][acute] ["0301]
235\definemathtopaccent[\v!top][hat] ["0302]
236\definemathtopaccent[\v!top][tilde] ["0303]
237\definemathtopaccent[\v!top][bar] ["0305]
238
239\definemathtopaccent[\v!top][breve] ["0306]
240\definemathtopaccent[\v!top][dot] ["0307]
241\definemathtopaccent[\v!top][ddot] ["0308]
242\definemathtopaccent[\v!top][overhook]["0309]
243\definemathtopaccent[\v!top][ring] ["030A]
244\definemathtopaccent[\v!top][check] ["030C]
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252\definemathtopaccent[\v!top][overleftharpoon] ["20D0]
253\definemathtopaccent[\v!top][overrightharpoon] ["20D1]
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256\definemathtopaccent[\v!top][dddot] ["20DB]
257\definemathtopaccent[\v!top][ddddot] ["20DC]
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268\definemathaccent
269 [\v!top:\v!stretch]
270 [\v!top]
271 [\c!scale=\v!keep,\c!stretch=\v!yes,\c!shrink=\v!yes]
272
273\definemathaccent
274 [\v!bottom:\v!stretch]
275 [\v!bottom]
276 [\c!scale=\v!keep,\c!stretch=\v!yes,\c!shrink=\v!yes]
277
278\definemathaccent
279 [\v!both:\v!stretch]
280 [\v!both]
281 [\c!scale=\v!keep,\c!stretch=\v!yes,\c!shrink=\v!yes]
282
283\definemathaccent
284 [\v!top:\v!dot]
285 [\v!top:\v!stretch]
286 [i=]
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291\definemathtopaccent[\v!top:\v!stretch][widegrave]["0300]
292\definemathtopaccent[\v!top:\v!stretch][wideacute]["0301]
293\definemathtopaccent[\v!top:\v!stretch][widehat] ["0302]
294\definemathtopaccent[\v!top:\v!stretch][widetilde]["0303]
295\definemathtopaccent[\v!top:\v!stretch][widebar] ["0305]
296\definemathtopaccent[\v!top:\v!stretch][widebreve]["0306]
297\definemathtopaccent[\v!top:\v!stretch][widedot] ["0307]
298\definemathtopaccent[\v!top:\v!stretch][wideddot] ["0308]
299\definemathtopaccent[\v!top:\v!stretch][widering] ["030A]
300\definemathtopaccent[\v!top:\v!stretch][widecheck]["030C]
301\definemathtopaccent[\v!top:\v!stretch][widedddot]["20DB]
302
303\definemathtopaccent[\v!top:\v!stretch][vec]["20D7]
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305\definemathtopaccent[\v!top:\v!stretch][wideoverleftharpoon] ["20D0]
306\definemathtopaccent[\v!top:\v!stretch][wideoverrightharpoon] ["20D1]
307\definemathtopaccent[\v!top:\v!stretch][wideoverleftarrow] ["20D6]
308\definemathtopaccent[\v!top:\v!stretch][wideoverrightarrow] ["20D7]
309\definemathtopaccent[\v!top:\v!stretch][wideoverleftrightarrow]["20E1]
310
311\definemathbottomaccent[\v!bottom:\v!stretch][wideundertilde] ["0330]
312\definemathbottomaccent[\v!bottom:\v!stretch][wideunderbar] ["0332]
313\definemathbottomaccent[\v!bottom:\v!stretch][wideunderleftrightarrow]["034D]
314\definemathbottomaccent[\v!bottom:\v!stretch][wideunderrightharpoon] ["20EC]
315\definemathbottomaccent[\v!bottom:\v!stretch][wideunderleftharpoon] ["20ED]
316\definemathbottomaccent[\v!bottom:\v!stretch][wideunderleftarrow] ["20EE]
317\definemathbottomaccent[\v!bottom:\v!stretch][wideunderrightarrow] ["20EF]
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324\definemathtopaccent[\v!top:\v!dot][conjugate]["0305]
325
326\aliased\let\mathring\ring
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335\permanent\tolerant\protected\def\slashed[#1]#:#2
336 {\Umathaccent
337 \s!class \mathcodechecked{#1}
338 \s!center \space
339 \s!overlay\space
340 \zerocount \zerocount \forwardslashasciicode
341 {#2}}
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346\popoverloadmode
347
348\protect \endinput
349 |