* The value is, e.g. u0009u000Au000Bu000Cu000Du001Cu001Du001Eu001Fu0020u00A0u1680u180Eu2000u2001u2002u2003u2004u2005u2006u2007u2008u2009u200Au200Bu200Cu202Fu205Fu3000uFEFFuFFFDu00B6 <br>
     * comment: Unicode space characters for document parsing.
     * @return The value of found property. (NotNull: if not found, exception but basically no way)
     */
    String getCrawlerDocumentSpaceChars();

    /**

fix.\n// See https://github.com/twbs/bootstrap/issues/19402\n\na:not([href]):not([class]) {\n  color: inherit;\n  text-decoration: none;\n\n  @include hover() {\n    color: inherit;\n    text-decoration: none;\n  }\n}\n\n\n//\n// Code\n//\n\npre,\ncode,\nkbd,\nsamp {\n  font-family: $font-family-monospace;\n  @include font-size(1em); // Correct the odd `em` font sizing in all browsers.\n}\n\npre {\n  // Remove browser default top margin\n  margin-top: 0;\n  // Reset browser default of `1em` to use...

:not([class]), a:not([href]):not([class]):hover {\n  color: inherit;\n  text-decoration: none;\n}\n\npre,\ncode,\nkbd,\nsamp {\n  font-family: var(--bs-font-monospace);\n  font-size: 1em;\n}\n\npre {\n  display: block;\n  margin-top: 0;\n  margin-bottom: 1rem;\n  overflow: auto;\n  font-size: 0.875em;\n}\npre code {\n  font-size: inherit;\n  color: inherit;\n  word-break: normal;\n}\n\ncode {\n  font-size: 0.875em;\n  color: var(--bs-code-color);\n  word-wrap: break-word;\n}\na > code {\n  color:...