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61 lines
1.7 KiB
C++
61 lines
1.7 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef nsMathMLmsqrtFrame_h___
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#define nsMathMLmsqrtFrame_h___
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#include "nsMathMLmencloseFrame.h"
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//
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// <msqrt> -- form a radical
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//
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/*
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The MathML REC describes:
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The <msqrt> element is used to display square roots.
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The syntax for <msqrt> is:
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<msqrt> base </msqrt>
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Attributes of <msqrt> and <mroot>:
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None (except the attributes allowed for all MathML elements, listed in Section
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2.3.4).
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The <mroot> element increments scriptlevel by 2, and sets displaystyle to
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"false", within index, but leaves both attributes unchanged within base. The
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<msqrt> element leaves both attributes unchanged within all its arguments.
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These attributes are inherited by every element from its rendering environment,
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but can be set explicitly only on <mstyle>. (See Section 3.3.4.)
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*/
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class nsMathMLmsqrtFrame : public nsMathMLmencloseFrame {
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public:
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NS_DECL_FRAMEARENA_HELPERS
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friend nsIFrame* NS_NewMathMLmsqrtFrame(nsIPresShell* aPresShell,
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nsStyleContext* aContext);
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NS_IMETHOD
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Init(nsIContent* aContent,
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nsIFrame* aParent,
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nsIFrame* aPrevInFlow);
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NS_IMETHOD
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InheritAutomaticData(nsIFrame* aParent);
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NS_IMETHOD
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AttributeChanged(PRInt32 aNameSpaceID,
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nsIAtom* aAttribute,
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PRInt32 aModType);
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protected:
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nsMathMLmsqrtFrame(nsStyleContext* aContext);
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virtual ~nsMathMLmsqrtFrame();
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};
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#endif /* nsMathMLmsqrtFrame_h___ */
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