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Basic theme parser
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@ -7,9 +7,7 @@ module Tartrazine
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# false means it's not set
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# nil means inherit from parent style
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property bold : Bool?
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property nobold : Bool?
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property italic : Bool?
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property notalic : Bool?
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property underline : Bool?
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# These properties are either set or nil
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@ -17,6 +15,27 @@ module Tartrazine
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property background : String?
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property border : String?
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property color : String?
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# Styles are incomplete by default and inherit
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# from parents. If this is true, this style
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# is already complete and should not inherit
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# anything
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property? complete : Bool = false
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macro merge_prop(prop)
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new.{{prop}} = other.{{prop}}.nil? ? self.{{prop}} : other.{{prop}}
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end
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def +(other : Style)
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new = Style.new
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merge_prop bold
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merge_prop italic
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merge_prop underline
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merge_prop background
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merge_prop border
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merge_prop color
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new
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end
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end
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class Theme
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@ -26,6 +45,27 @@ module Tartrazine
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# Get the style for a token.
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def style(token)
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styles[token] = Style.new unless styles.has_key?(token)
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s = styles[token]
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# We already got the data from the style hierarchy
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return s if s.complete?
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# Form the hierarchy of parent styles
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parents = ["Background"]
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parts = token.underscore.split("_").map(&.capitalize)
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parts.each_with_index do |_, i|
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parents << parts[..i].join("")
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end
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s = parents.map do |parent|
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styles[parent]
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end.reduce(s) do |acc, style|
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acc + style
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end
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s.complete = true
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styles[token] = s
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s
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end
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# Load from a Chroma XML file
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@ -64,4 +104,4 @@ end
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t = Tartrazine::Theme.from_xml(File.read("styles/catppuccin-frappe.xml"))
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pp! t.styles["Name"]
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pp! t.style("CommentPreprocFile")
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@ -1,65 +0,0 @@
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package styles
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import (
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"embed"
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"io/fs"
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"sort"
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"github.com/alecthomas/chroma/v2"
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)
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//go:embed *.xml
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var embedded embed.FS
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// Registry of Styles.
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var Registry = func() map[string]*chroma.Style {
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registry := map[string]*chroma.Style{}
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// Register all embedded styles.
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files, err := fs.ReadDir(embedded, ".")
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if err != nil {
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panic(err)
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}
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for _, file := range files {
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if file.IsDir() {
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continue
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}
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r, err := embedded.Open(file.Name())
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if err != nil {
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panic(err)
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}
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style, err := chroma.NewXMLStyle(r)
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if err != nil {
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panic(err)
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}
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registry[style.Name] = style
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_ = r.Close()
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}
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return registry
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}()
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// Fallback style. Reassign to change the default fallback style.
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var Fallback = Registry["swapoff"]
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// Register a chroma.Style.
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func Register(style *chroma.Style) *chroma.Style {
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Registry[style.Name] = style
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return style
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}
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// Names of all available styles.
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func Names() []string {
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out := []string{}
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for name := range Registry {
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out = append(out, name)
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}
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sort.Strings(out)
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return out
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}
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// Get named style, or Fallback.
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func Get(name string) *chroma.Style {
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if style, ok := Registry[name]; ok {
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return style
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}
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return Fallback
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}
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@ -1,66 +0,0 @@
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package styles
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// Present for backwards compatibility.
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//
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// Deprecated: use styles.Get(name) instead.
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var (
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Abap = Registry["abap"]
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Algol = Registry["algol"]
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AlgolNu = Registry["algol_nu"]
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Arduino = Registry["arduino"]
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Autumn = Registry["autumn"]
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Average = Registry["average"]
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Base16Snazzy = Registry["base16-snazzy"]
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Borland = Registry["borland"]
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BlackWhite = Registry["bw"]
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CatppuccinFrappe = Registry["catppuccin-frappe"]
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CatppuccinLatte = Registry["catppuccin-latte"]
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CatppuccinMacchiato = Registry["catppuccin-macchiato"]
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CatppuccinMocha = Registry["catppuccin-mocha"]
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Colorful = Registry["colorful"]
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DoomOne = Registry["doom-one"]
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DoomOne2 = Registry["doom-one2"]
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Dracula = Registry["dracula"]
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Emacs = Registry["emacs"]
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Friendly = Registry["friendly"]
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Fruity = Registry["fruity"]
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GitHubDark = Registry["github-dark"]
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GitHub = Registry["github"]
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GruvboxLight = Registry["gruvbox-light"]
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Gruvbox = Registry["gruvbox"]
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HrDark = Registry["hrdark"]
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HrHighContrast = Registry["hr_high_contrast"]
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Igor = Registry["igor"]
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Lovelace = Registry["lovelace"]
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Manni = Registry["manni"]
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ModusOperandi = Registry["modus-operandi"]
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ModusVivendi = Registry["modus-vivendi"]
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Monokai = Registry["monokai"]
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MonokaiLight = Registry["monokailight"]
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Murphy = Registry["murphy"]
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Native = Registry["native"]
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Nord = Registry["nord"]
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OnesEnterprise = Registry["onesenterprise"]
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ParaisoDark = Registry["paraiso-dark"]
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ParaisoLight = Registry["paraiso-light"]
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Pastie = Registry["pastie"]
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Perldoc = Registry["perldoc"]
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Pygments = Registry["pygments"]
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RainbowDash = Registry["rainbow_dash"]
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RosePineDawn = Registry["rose-pine-dawn"]
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RosePineMoon = Registry["rose-pine-moon"]
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RosePine = Registry["rose-pine"]
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Rrt = Registry["rrt"]
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SolarizedDark = Registry["solarized-dark"]
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SolarizedDark256 = Registry["solarized-dark256"]
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SolarizedLight = Registry["solarized-light"]
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SwapOff = Registry["swapoff"]
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Tango = Registry["tango"]
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Trac = Registry["trac"]
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Vim = Registry["vim"]
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VisualStudio = Registry["vs"]
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Vulcan = Registry["vulcan"]
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WitchHazel = Registry["witchhazel"]
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XcodeDark = Registry["xcode-dark"]
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Xcode = Registry["xcode"]
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)
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@ -1,10 +0,0 @@
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<style name="onesenterprise">
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<entry type="Keyword" style="#ff0000"/>
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<entry type="Name" style="#0000ff"/>
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<entry type="LiteralString" style="#000000"/>
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<entry type="Operator" style="#ff0000"/>
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<entry type="Punctuation" style="#ff0000"/>
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<entry type="Comment" style="#008000"/>
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<entry type="CommentPreproc" style="#963200"/>
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<entry type="Text" style="#000000"/>
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</style>
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@ -1,42 +0,0 @@
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<style name="pygments">
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<entry type="Error" style="border:#ff0000"/>
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<entry type="Keyword" style="bold #008000"/>
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<entry type="KeywordPseudo" style="nobold"/>
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<entry type="KeywordType" style="nobold #b00040"/>
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<entry type="NameAttribute" style="#7d9029"/>
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<entry type="NameBuiltin" style="#008000"/>
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<entry type="NameClass" style="bold #0000ff"/>
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<entry type="NameConstant" style="#880000"/>
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<entry type="NameDecorator" style="#aa22ff"/>
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<entry type="NameEntity" style="bold #999999"/>
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<entry type="NameException" style="bold #d2413a"/>
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<entry type="NameFunction" style="#0000ff"/>
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<entry type="NameLabel" style="#a0a000"/>
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<entry type="NameNamespace" style="bold #0000ff"/>
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<entry type="NameTag" style="bold #008000"/>
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<entry type="NameVariable" style="#19177c"/>
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<entry type="LiteralString" style="#ba2121"/>
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<entry type="LiteralStringDoc" style="italic"/>
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<entry type="LiteralStringEscape" style="bold #bb6622"/>
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<entry type="LiteralStringInterpol" style="bold #bb6688"/>
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<entry type="LiteralStringOther" style="#008000"/>
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<entry type="LiteralStringRegex" style="#bb6688"/>
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<entry type="LiteralStringSymbol" style="#19177c"/>
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<entry type="LiteralNumber" style="#666666"/>
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<entry type="Operator" style="#666666"/>
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<entry type="OperatorWord" style="bold #aa22ff"/>
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<entry type="Comment" style="italic #408080"/>
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<entry type="CommentPreproc" style="noitalic #bc7a00"/>
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<entry type="GenericDeleted" style="#a00000"/>
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<entry type="GenericEmph" style="italic"/>
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<entry type="GenericError" style="#ff0000"/>
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<entry type="GenericHeading" style="bold #000080"/>
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<entry type="GenericInserted" style="#00a000"/>
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<entry type="GenericOutput" style="#888888"/>
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<entry type="GenericPrompt" style="bold #000080"/>
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<entry type="GenericStrong" style="bold"/>
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<entry type="GenericSubheading" style="bold #800080"/>
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<entry type="GenericTraceback" style="#0044dd"/>
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<entry type="GenericUnderline" style="underline"/>
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<entry type="TextWhitespace" style="#bbbbbb"/>
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</style>
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