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50 lines
2 KiB
JavaScript
50 lines
2 KiB
JavaScript
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// Copyright (C) 2011 Martin S.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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/**
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* @fileoverview
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* Support for tex highlighting as discussed on
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* <a href="http://meta.tex.stackexchange.com/questions/872/text-immediate-following-double-backslashes-is-highlighted-as-macro-inside-a-code/876#876">meta.tex.stackexchange.com</a>.
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*
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* @author Martin S.
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*/
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require(['libs/google-code-prettify/prettify'], function($) {
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PR['registerLangHandler'](
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PR['createSimpleLexer'](
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[
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// whitespace
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[PR['PR_PLAIN'], /^[\t\n\r \xA0]+/, null, '\t\n\r \xA0'],
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// all comments begin with '%'
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[PR['PR_COMMENT'], /^%[^\r\n]*/, null, '%']
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],
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[
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//[PR['PR_DECLARATION'], /^\\([egx]?def|(new|renew|provide)(command|environment))\b/],
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// any command starting with a \ and contains
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// either only letters (a-z,A-Z), '@' (internal macros)
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[PR['PR_KEYWORD'], /^\\[a-zA-Z@]+/],
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// or contains only one character
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[PR['PR_KEYWORD'], /^\\./],
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// Highlight dollar for math mode and ampersam for tabular
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[PR['PR_TYPE'], /^[$&]/],
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// numeric measurement values with attached units
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[PR['PR_LITERAL'],
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/[+-]?(?:\.\d+|\d+(?:\.\d*)?)(cm|em|ex|in|pc|pt|bp|mm)/i],
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// punctuation usually occurring within commands
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[PR['PR_PUNCTUATION'], /^[{}()\[\]=]+/]
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]),
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['latex', 'tex']);
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})
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