@font-face{font-display:swap;font-family:Verb;font-style:normal;font-weight:300;src:url(../font/verblight-webfont.woff2) format("woff2"),url(../font/verblight-webfont.woff) format("woff"),url(../font/verblight-webfont.ttf) format("truetype")}@font-face{font-display:swap;font-family:Verb;font-style:normal;font-weight:400;src:url(../font/verbregular-webfont.woff2) format("woff2"),url(../font/verbregular-webfont.woff) format("woff"),url(../font/verbregular-webfont.ttf) format("truetype")}@font-face{font-display:swap;font-family:Verb;font-style:normal;font-weight:700;src:url(../font/verbbold-webfont.woff2) format("woff2"),url(../font/verbbold-webfont.woff) format("woff"),url(../font/verbbold-webfont.ttf) format("truetype")}:root{--color-dark-liver:#524b47;--color-dark-orange:#b54726;--color-ol-orange:#e76227;--color-turquoise:#21b899;--color-ol-gray:#201e1d;--color-ol-light-gray:#88837c;--color-ol-brown:#3f1f10;--color-gutentag:#d9564a;--color-ol-turquoise-50:oklch(97.4% 0.019 184.93);--color-ol-turquoise-100:oklch(94.92% 0.037 182.07);--color-ol-turquoise-200:oklch(90.68% 0.069 181.32);--color-ol-turquoise-300:oklch(86.56% 0.102 179.02);--color-ol-turquoise-400:oklch(83.12% 0.124 177.57);--color-ol-turquoise-500:oklch(79.76% 0.141 175.15);--color-ol-turquoise-600:oklch(70.13% 0.127 174.17);--color-ol-turquoise-700:oklch(56.86% 0.101 175.42);--color-ol-turquoise-800:oklch(42.36% 0.074 175.41);--color-ol-turquoise-900:oklch(27.97% 0.045 176.26);--color-ol-turquoise-950:oklch(18.26% 0.027 177.49);--color-ol-orange-50:oklch(96.84% 0.014 46.23);--color-ol-orange-100:oklch(93.48% 0.029 45.03);--color-ol-orange-200:oklch(87.1% 0.059 43.61);--color-ol-orange-300:oklch(80.91% 0.091 43.72);--color-ol-orange-400:oklch(75.79% 0.118 43.92);--color-ol-orange-500:oklch(70.29% 0.151 43.1);--color-ol-orange-600:oklch(65.56% 0.179 41.56);--color-ol-orange-700:oklch(54.21% 0.159 40.03);--color-ol-orange-800:oklch(39.93% 0.112 40.91);--color-ol-orange-900:oklch(25.78% 0.064 42.52);--color-ol-orange-950:oklch(18.32% 0.039 45.07);--color-stone-50:oklch(0.985 0.001 106.423);--color-stone-100:oklch(0.97 0.001 106.424);--color-stone-200:oklch(0.923 0.003 48.717);--color-stone-300:oklch(0.869 0.005 56.366);--color-stone-400:oklch(0.709 0.01 56.259);--color-stone-500:oklch(0.553 0.013 58.071);--color-stone-600:oklch(0.444 0.011 73.639);--color-stone-700:oklch(0.374 0.01 67.558);--color-stone-800:oklch(0.268 0.007 34.298);--color-stone-900:oklch(0.216 0.006 56.043);--color-stone-950:oklch(0.147 0.004 49.25);--color-white:#fff;--color-smoke-30:#fafafa;--color-smoke-70:#f0f0f0;--color-smoke-90:#e1e1e1;--color-gray-10:#c1c1c1;--color-gray-30:#8e8e8e;--color-gray-50:grey;--color-gray-70:#5d5d5d;--color-jet-20:#4a4a4a;--color-jet-30:#424242;--color-jet-50:#333;--color-jet-80:#191919;--color-black:#000;--rem-base:18;--body-font-size:1.0625em;--body-font-size--desktop:1.125em;--body-font-size--print:0.9375em;--body-line-height:1.15;--default-font-family:"Verb",ui-sans-serif,system-ui,sans-serif,"Apple Color Emoji","Segoe UI Emoji","Segoe UI Symbol","Noto Color Emoji";--default-mono-font-family:ui-monospace,"SFMono-Regular","Fragment Mono","Menlo","Monaco","Consolas","Liberation Mono","Courier New",monospace;--body-font-weight-bold:600;--monospace-font-weight-bold:600;--font-weight:400;--body-background-color:#fff;--body-background:var(--body-background-color);--panel-background-color:#f6f8fa;--panel-background:var(--panel-background-color);--panel-group-background-color:#e1e8e8;--panel-border-color:#eaedf0;--color-accent-1:#f5f5f4;--color-accent-1-hover:#d6d3d1;--color-accent-2:#e7e5e4;--color-accent-3:var(--color-ol-orange-400);--body-font-color:#191e1e;--body-font-light-color:#273030;--body-font-dark-color:#141818;--link-font-color:var(--color-ol-orange-600);--link_hover-font-color:var(--color-ol-orange-600);--link_hover-background-color:#f5f5f4;--code-link-font-color:var(--link-font-color);--scrollbar-thumb-color:silver;--scrollbar_hover-thumb-color:silver;--mark-background-color:var(--color-ol-orange);--selected-background-color:#191e1e;--caption-font-style:italic;--layout-banner-height:80px;--layout-border-color:var(--color-accent-1);--admonition-background:var(--color-accent-1);--admonition-label-font-weight:var(--body-font-weight-bold);--admonition-font-color:#f0f0f0;--caution-color:#561164;--caution-on-color:var(--admonition-font-color);--important-color:#960000;--important-on-color:var(--admonition-font-color);--note-color:#015785;--note-on-color:var(--admonition-font-color);--tip-color:#3e6b1f;--tip-on-color:var(--admonition-font-color);--warning-color:var(--color-ol-orange-600);--warning-on-color:var(--admonition-font-color);--admonition-font-weight:500;--highlight-background-color:var(--pre-background);--highlight-font-color:#24292e;--highlight-keyword-font-color:#d73a49;--highlight-comment-font-color:#6a737d;--highlight-string-font-color:#032f62;--highlight-meta-font-color:#6a737d;--highlight-constant-font-color:#032f62;--highlight-variable-font-color:#005cc5;--highlight-tag-font-color:#22863a;--highlight-tag-attribute-font-color:#6f42c1;--highlight-type-font-color:#6f42c1;--highlight-link-font-color:var(--link-font-color);--highlight-addition-font-color:#22863a;--highlight-deletion-font-color:#24292e;--highlight-regex-font-color:#032f62;--tabs-border-color:var(--selected-background-color);--tabs-background-color:var(--body-background-color);--tabs-font-color:var(--body-font-color);--tabs-selected-background-color:var(--selected-background-color);--tabs-selected-font-color:var(--body-background-color);--tabs-hover-font-color:var(--hover-link-font-color);--tabs-hover-background:var(--color-accent-1);--tabs-group-background-color:var(--panel-group-background-color);--toc-width:24rem;--toc-display:block;--toc-font-color:var(--body-font-color);--toc-hover-background-color:var(--color-accent-1);--toc-active-background-color:var(--selected-background-color);--toc-active-font-color:var(--body-background-color);--toc-back-to-index-filter:none;--toc-bar-display:none;--toc-bar-height:0;--toc-bar-button-filter:none;--toc-heading-font-color:var(--doc-font-color);--toc-border-color:var(--panel-border-color);--toc-line-height:1.2;--codetools-button-filter:none;--codetools-button-active-filter:invert();--codetools-background-color:var(--body-background-color);--codetools-border-color:rgba(0,0,0,.3);--codetools-hover-background-color:var(--color-accent-1);--codetools-divider-color:var(--codetools-border-color);--codetools-popup-background-color:var(--selected-background-color);--codetools-popup-font-color:var(--body-background-color);--social-icon-color:#fff;--social-icon-circle:#191e1e;--navbar-background:var(--body-background-color);--navbar-font-color:var(--body-font-color);--navbar_hover-background:var(--navbar-background);--navbar-button-background:var(--color-white);--navbar-button-border-color:var(--panel-border-color);--navbar-button-font-color:var(--body-font-color);--navbar-menu-border-color:var(--panel-border-color);--navbar-menu-background:var(--body-background-color);--navbar-menu-font-color:var(--body-font-color);--navbar-menu_hover-background:var(--navbar-menu-background);--nav-background:var(--color-white);--nav-border-color:var(--color-gray-10);--nav-line-height:1.35;--nav-heading-font-color:var(--color-jet-30);--nav-muted-color:var(--color-gray-70);--nav-panel-divider-color:var(--color-smoke-90);--nav-secondary-background:var(--color-smoke-70);--toolbar-background:var(--color-white);--toolbar-border-color:var(--nav-panel-divider-color);--toolbar-font-color:var(--color-gray-70);--toolbar-muted-color:var(--color-gray-30);--page-version-menu-background:var(--color-smoke-70);--page-version-missing-font-color:var(--color-gray-30);--breadcrumb-font-color:var(--body-font-light-color);--breadcrumb-hover-font-color:var(--link_hover-font-color);--doc-font-color:var(--body-font-color);--doc-font-size:inherit;--doc-font-size--desktop:calc(17/var(--rem-base)*1rem);--doc-line-height:1.6;--doc-margin:0 auto;--doc-margin--desktop:0 2rem;--heading-font-color:var(--body-font-dark-color);--heading-font-weight:600;--alt-heading-font-weight:600;--section-divider-color:var(--panel-border-color);--link_unresolved-font-color:var(--important-color);--abstract-background:var(--panel-background);--abstract-font-color:var(--color-jet-20);--abstract-border-color:var(--panel-border-color);--caption-font-color:var(--body-font-light-color);--caption-font-weight:400;--code-background:rgba(177,209,241,.15);--code-font-color:var(--body-font-color);--example-background:var(--panel-background);--example-border-color:var(--panel-border-color);--kbd-background:var(--panel-background);--kbd-border-color:var(--color-gray-10);--pre-background:var(--panel-background);--pre-border-color:var(--panel-border-color);--pre-annotation-font-color:var(--color-gray-50);--quote-background:var(--color-accent-1);--quote-border-color:var(--color-accent-3);--quote-font-color:var(--color-gray-70);--quote-attribution-font-color:var(--color-accent-3);--sidebar-background:var(--color-accent-1);--table-border-color:var(--panel-border-color);--table-stripe-background:var(--panel-background);--table-footer-background:var(--color-accent-1);--page-author-background:var(--color-accent-1);--page-author-font-color:var(--body-font-light-color);--callout-background:var(--body-font-dark-color);--callout-font-color:var(--body-background-color);--footer-line-height:var(--doc-line-height);--footer-background:var(--body-background-color);--footer-font-color:var(--color-gray-30);--footer-link-font-color:#111;--navbar-height:calc(83/var(--rem-base)*1rem);--toolbar-height:calc(45/var(--rem-base)*1rem);--drawer-height:var(--toolbar-height);--body-top:var(--navbar-height);--body-min-height:calc(100vh - var(--body-top));--nav-height:calc(var(--body-min-height) - var(--toolbar-height));--nav-height--desktop:var(--body-min-height);--nav-panel-menu-height:100%;--nav-width:calc(300/var(--rem-base)*1rem);--toc-top:calc(var(--body-top));--toc-height:calc(100vh - var(--toc-top) - 2.5rem);--toc-width--widescreen:calc(216/var(--rem-base)*1rem);--doc-max-width:calc(720/var(--rem-base)*1rem);--doc-max-width--desktop:calc(1200/var(--rem-base)*1rem);--z-index-nav:1;--z-index-toolbar:2;--z-index-page-version-menu:3;--z-index-navbar:100}@media screen and (max-width:1024px){:root{--toc-width:16rem}}@media screen and (max-width:800px){:root{--layout-banner-height:51px;--layout-border-color:var(--body-background-color);--toc-bar-display:block;--toc-bar-height:24px;--toc-width:0;--toc-display:none}}html.dark-theme{--color-dark-liver:#6c655e;--color-dark-orange:#d8532d;--color-ol-orange:#ff7a42;--color-turquoise:#30d2b0;--color-ol-gray:#201e1d;--color-ol-light-gray:#a59f99;--color-ol-brown:#5a2b17;--color-gutentag:#e86a5e;--font-weight:300;--body-background-color:#1c1917;--body-background:var(--body-background-color);--panel-background-color:#292524;--panel-background:var(--panel-background-color);--panel-group-background-color:#3a3532;--panel-border-color:#2e2a27;--color-accent-1:#262220;--color-accent-1-hover:#44403c;--color-accent-2:#302c29;--color-accent-3:var(--color-ol-orange-400);--body-font-color:#c0bbb6;--body-font-light-color:#b0aaa4;--body-font-dark-color:#d4cfc9;--link-font-color:var(--color-ol-orange-600);--link_hover-font-color:var(--color-ol-orange-600);--link_hover-background-color:color-mix(in oklab,#1c1917 50%,transparent);--scrollbar-thumb-color:#5c5650;--mark-background-color:var(--color-ol-orange);--selected-background-color:#e5e5e5;--admonition-font-color:#f0f0f0;--caution-color:#603668;--important-color:#924040;--note-color:#4a5449;--tip-color:#4d6340;--warning-color:var(--color-ol-orange-600);--admonition-font-weight:500;--highlight-background-color:var(--pre-background);--highlight-font-color:#f5f3f0;--highlight-keyword-font-color:#ea4a5a;--highlight-comment-font-color:#9a9590;--highlight-string-font-color:#79b8ff;--highlight-meta-font-color:#9a9590;--highlight-constant-font-color:#79b8ff;--highlight-variable-font-color:#c8e1ff;--highlight-tag-font-color:#7bcc72;--highlight-tag-attribute-font-color:#b392f0;--highlight-type-font-color:#b392f0;--highlight-link-font-color:#1565c0;--highlight-addition-font-color:#7bcc72;--highlight-deletion-font-color:#f5f3f0;--highlight-regex-font-color:#79b8ff;--toc-back-to-index-filter:invert();--toc-bar-button-filter:invert();--codetools-button-filter:invert();--codetools-button-active-filter:none;--codetools-hover-background-color:var(--color-accent-1-hover);--codetools-border-color:hsla(0,0%,100%,.274);--codetools-divider-color:rgba(44,44,44,.274);--social-icon-color:var(--color-black);--social-icon-circle:var(--color-white);--nav-background:var(--body-background-color);--nav-heading-font-color:var(--body-font-color);--nav-muted-color:#aaa;--nav-panel-divider-color:hsla(0,0%,100%,.2);--nav-secondary-background:var(--body-background-color);--navbar-menu-boxshadow:0 5px 30px 0 rgb(0 0 0 0/50%);--toolbar-background:var(--body-background-color);--toolbar-font-color:var(--navbar-font-color);--toolbar-muted-color:#aaa;--page-version-menu-background:var(--navbar-background);--page-version-missing-font-color:var(--body-font-color);--doc-font-color:var(--body-font-color);--heading-font-color:var(--body-font-dark-color);--quote-font-color:var(--body-font-light-color);--footer-background:var(--body-background-color);--footer-font-color:hsla(0,0%,100%,.5);--footer-link-font-color:hsla(0,0%,100%,.5)}html.dark-theme .home-link{background:url(../img/home-o-dark.svg) no-repeat 50%}html.dark-theme .home-link.is-current,html.dark-theme .home-link:hover{background:url(../img/home-dark.svg) no-repeat 50%}*,::after,::before{box-sizing:inherit}html{box-sizing:border-box;font-size:var(--body-font-size);height:100%;scroll-behavior:smooth}@media screen and (min-width:1024px){html{font-size:var(--body-font-size--desktop)}}body{word-wrap:anywhere;background:var(--body-background);color:var(--body-font-color);font-family:var(--default-font-family);line-height:var(--body-line-height);margin:0;-moz-tab-size:4;-o-tab-size:4;tab-size:4}a{text-decoration:none}a:hover{text-decoration:underline}a:active{background-color:none}code,kbd,pre{font-family:var(--default-mono-font-family)}b,dt,strong,th{font-weight:var(--body-font-weight-bold)}sub,sup{font-size:75%;line-height:0;position:relative;vertical-align:baseline}sub{bottom:-.25em}sup{top:-.5em}em em{font-style:normal}strong strong{font-weight:400}button{cursor:pointer;font-family:inherit;font-size:1em;line-height:var(--body-line-height);margin:0}button::-moz-focus-inner{border:none;padding:0}summary{cursor:pointer;outline:none}table{word-wrap:normal;border-collapse:collapse}object[type="image/svg+xml"]:not([width]){width:-moz-fit-content;width:fit-content}::-moz-placeholder{opacity:.5}::placeholder{opacity:.5}@media (pointer:fine){@supports (scrollbar-width:thin){html{scrollbar-color:var(--scrollbar-thumb-color) var(--scrollbar-track-color)}body *{scrollbar-color:var(--scrollbar-thumb-color) transparent;scrollbar-width:thin}}}@media screen and (min-width:1024px){.body{display:flex}}.nav-container{font-size:calc(17/var(--rem-base)*1rem);left:0;position:fixed;top:var(--navbar-height);visibility:hidden;width:100%;z-index:var(--z-index-nav)}.nav-container.is-active{visibility:visible}.nav{background:var(--nav-background);border:0;height:var(--nav-height);position:relative;top:var(--toolbar-height)}.nav .panels{display:flex;flex-direction:column;height:inherit}.nav-panel-menu{height:var(--nav-panel-menu-height);overflow-y:auto}.nav-panel-menu:not(.is-active) .nav-menu{opacity:.75}.nav-panel-menu:not(.is-active)::after{background:rgba(0,0,0,.5);bottom:0;content:"";display:block;left:0;position:absolute;right:0;top:0}.nav-menu{line-height:var(--nav-line-height);min-height:100%;padding-right:2px;position:relative}.nav-menu h3.title{color:var(--nav-heading-font-color);font-size:inherit;font-weight:700;margin:0;padding:.25rem 0 .4rem}.nav-menu a{color:inherit}.nav-list{margin:0;padding:0 1rem 0 5px}.nav-menu>.nav-list .nav-list{margin:0 0 0 .5rem;padding:0}.nav-list a.nav-link[href^="https://"]::after{content:url(../img/link-external.svg);display:inline-block;filter:opacity(.5);height:14px;margin:0 0 4px 4px;vertical-align:middle;width:14px}.nav-list a.nav-link[href*="/atom/"]::after{content:url(../img/rss.svg)}.dark-theme .nav-list a.nav-link[href^="https://"]::after{filter:invert() 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.nav-item.is-active>.nav-item-toggle,.nav-item.is-active>.nav-item-toggle{transform:rotate(0deg)}.nav-link,.nav-text{border-radius:3px;display:block;margin-left:10px;padding:.4rem .5rem .4rem 12px}.nav-item-toggle+.nav-link,.nav-item-toggle+.nav-text{margin-left:0;padding-left:22px}.nav-item-toggle:hover+.nav-link,.nav-item-toggle:hover+.nav-text{background:var(--color-accent-1)}.nav-item.is-current-page>.nav-item-toggle:hover+.nav-link{background:var(--selected-background-color)}.nav-link:hover{color:var(--link-font-color)}.nav-link:hover,.nav-text:hover{text-decoration:none}.dark-theme .nav-item-toggle:hover+.nav-link,.dark-theme .nav-item-toggle:hover+.nav-text,.nav-link:hover,.nav-text:hover{background:#f5f5f4;background:var(--color-accent-1)}.dark-theme .nav-link:hover,.dark-theme 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