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syntax_highlighting_and_error_highlighting.md: cleanup
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@ -22,9 +22,10 @@ New functionality about Language Defaults and support for additional color schem
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[Color Scheme Management](/reference_guide/color_scheme_management.md).
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The syntax and error highlighting is performed on multiple levels: Lexer, Parser and (External) Annotator.
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### Lexer
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The syntax and error highlighting is performed on multiple levels.
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The first level of syntax highlighting is based on the lexer output, and is provided through the
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[`SyntaxHighlighter`](upsource:///platform/editor-ui-api/src/com/intellij/openapi/fileTypes/SyntaxHighlighter.java)
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interface.
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@ -37,11 +38,11 @@ for bad characters
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[`HighlighterColors.BAD_CHARACTER`](upsource:///platform/editor-ui-api/src/com/intellij/openapi/editor/HighlighterColors.java)
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can be used.
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**Example:**
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[`SyntaxHighlighter`](upsource:///plugins/properties/properties-psi-api/src/com/intellij/lang/properties/PropertiesHighlighter.java)
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**Examples:**
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- [`SyntaxHighlighter`](upsource:///plugins/properties/properties-psi-api/src/com/intellij/lang/properties/PropertiesHighlighter.java)
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implementation for
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[Properties language plugin](upsource:///plugins/properties/)
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- [Custom Language Support Tutorial: Syntax Highlighter](/tutorials/custom_language_support/syntax_highlighter_and_color_settings_page.md)
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### Parser
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@ -72,11 +73,13 @@ with an empty message and then call
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[`Annotation.setTextAttributes()`](upsource:///platform/analysis-api/src/com/intellij/lang/annotation/Annotation.java)
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to specify the text attributes key for the highlighting.
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**Example:**
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[`Annotator`](upsource:///plugins/properties/properties-psi-impl/src/com/intellij/lang/properties/PropertiesAnnotator.java)
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> **NOTE** See also [Code Inspections](code_inspections_and_intentions.md) which offer a more fine-grained control and some additional features.
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**Examples:**
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- [`Annotator`](upsource:///plugins/properties/properties-psi-impl/src/com/intellij/lang/properties/PropertiesAnnotator.java)
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for
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[Properties language plugin](upsource:///plugins/properties/)
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- [Custom Language Support Tutorial: Annotator](/tutorials/custom_language_support/annotator.md)
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### External tool
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@ -90,16 +93,17 @@ It uses the same
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[`AnnotationHolder`](upsource:///platform/analysis-api/src/com/intellij/lang/annotation/AnnotationHolder.java)
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interface for converting the output of the external tool into editor highlighting.
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### Color settings
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## Color settings
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The plugin can also provide a configuration interface to allow the user to configure the colors used for highlighting specific items.
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In order to do that, it should provide an implementation of
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[`ColorSettingPage`](upsource:///platform/lang-api/src/com/intellij/openapi/options/colors/ColorSettingsPage.java)
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and register it in the `com.intellij.colorSettingsPage` extension point.
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**Example**:
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[`ColorSettingsPage`](upsource:///plugins/properties/src/com/intellij/openapi/options/colors/pages/PropertiesColorsPage.java)
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The _Export to HTML_ feature uses the same syntax highlighting mechanism as the editor, so it will work automatically for custom languages which provide a syntax highlighter.
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**Examples**:
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- [`ColorSettingsPage`](upsource:///plugins/properties/src/com/intellij/openapi/options/colors/pages/PropertiesColorsPage.java)
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for
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[Properties language plugin](upsource:///plugins/properties/)
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The `Export to HTML` feature uses the same syntax highlighting mechanism as the editor, so it will work automatically for custom languages which provide a syntax highlighter.
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- [Custom Language Support Tutorial: Color Settings Page](/tutorials/custom_language_support/syntax_highlighter_and_color_settings_page.md)
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