{"Entry":{"collection":"func","key":"xmlcomment","name":"xmlcomment","aliases":[],"metadata":{"changed_in":[],"changes":[{"descriptions_changed":false,"doc_overhaul":false,"from":"8.2","group_changed":null,"signatures":{"added":[],"removed":[]},"status":"added","to":"8.3"},{"descriptions_changed":true,"doc_overhaul":false,"from":"8.3","group_changed":null,"signatures":{"added":[],"removed":[]},"status":"changed","to":"8.4"},{"descriptions_changed":true,"doc_overhaul":false,"from":"9.6","group_changed":null,"signatures":{"added":[],"removed":[]},"status":"changed","to":"10"},{"descriptions_changed":false,"doc_overhaul":true,"from":"12","group_changed":null,"signatures":{"added":[],"removed":[]},"status":"changed","to":"13"}],"content_hash":"52ba12712f2ca1d44a0304e339b311a1e073e3968f9a70837cdc7b7e94bcd70f","first_version":"8.3","group":"xml","group_label":"Xml Functions","groups":["xml"],"imported_at":"2026-09-27T17:57:28.793363+08:00","last_version":"20","name":"xmlcomment","name_key":"xmlcomment","position":15018,"present_in":["8.3","8.4","9.0","9.1","9.2","9.3","9.4","9.5","9.6","10","11","12","13","14","15","16","17","18","19","20"],"signature":"xmlcomment ( text ) → xml","signature_count":1,"slug":"xmlcomment","source_rev":"b7bd9cda","summary":"The function xmlcomment creates an XML value containing an XML comment with the specified text as content.","summary_zh":""}},"Definition":{"Collection":"func","Key":"xmlcomment","SourceDatabase":"center","Version":"18","SourceTable":"func","SourceKey":"xmlcomment","SourceRevision":"b7bd9cda","Facts":{"description":"The function xmlcomment creates an XML value containing an XML comment with the specified text as content. The text cannot contain “--” or end with a “-”, otherwise the resulting construct would not be a valid XML comment. If the argument is null, the result is null.","description_html":"The function \u003ccode class=\"function\"\u003exmlcomment\u003c/code\u003e creates an XML value containing an XML comment with the specified text as content. The text cannot contain \u003cspan class=\"quote\"\u003e“\u003cspan class=\"quote\"\u003e\u003ccode class=\"literal\"\u003e--\u003c/code\u003e\u003c/span\u003e”\u003c/span\u003e or end with a \u003cspan class=\"quote\"\u003e“\u003cspan class=\"quote\"\u003e\u003ccode class=\"literal\"\u003e-\u003c/code\u003e\u003c/span\u003e”\u003c/span\u003e, otherwise the resulting construct would not be a valid XML comment. If the argument is null, the result is null.","description_zh":"","description_zh_html":"","doc":{"anchor":"FUNCTIONS-PRODUCING-XML-XMLCOMMENT","file":"functions-xml.html","slug":"18"},"group":"xml","group_label":"Xml Functions","lang":"en","layout":"table-new","pages":["functions-xml.html"],"prose_only":false,"signatures":[{"description":"The function xmlcomment creates an XML value containing an XML comment with the specified text as content. The text cannot contain “--” or end with a “-”, otherwise the resulting construct would not be a valid XML comment. If the argument is null, the result is null.","description_html":"The function \u003ccode class=\"function\"\u003exmlcomment\u003c/code\u003e creates an XML value containing an XML comment with the specified text as content. The text cannot contain \u003cspan class=\"quote\"\u003e“\u003cspan class=\"quote\"\u003e\u003ccode class=\"literal\"\u003e--\u003c/code\u003e\u003c/span\u003e”\u003c/span\u003e or end with a \u003cspan class=\"quote\"\u003e“\u003cspan class=\"quote\"\u003e\u003ccode class=\"literal\"\u003e-\u003c/code\u003e\u003c/span\u003e”\u003c/span\u003e, otherwise the resulting construct would not be a valid XML comment. If the argument is null, the result is null.","description_zh":"","description_zh_html":"","examples":[],"html":"\u003ccode class=\"function\"\u003exmlcomment\u003c/code\u003e ( \u003ccode class=\"type\"\u003etext\u003c/code\u003e ) → \u003ccode class=\"returnvalue\"\u003exml\u003c/code\u003e","returns":"xml","text":"xmlcomment ( text ) → xml","zh_from":""}],"zh_from":""},"ManualEvidence":{"doc":{"anchor":"FUNCTIONS-PRODUCING-XML-XMLCOMMENT","file":"functions-xml.html","slug":"18"}},"MeasuredEvidence":{}},"Text":{"Collection":"func","Key":"xmlcomment","SourceDatabase":"pgweb","Version":"18","Locale":"zh-Hans","Title":"xmlcomment","Summary":"函数xmlcomment创建了一个 XML 值，它包含一个使用指定文本作为内容的 XML 注释。该文本不能包含“--”，也不能以“-”结尾，否则该结果的结构不是一个合法的 XML 注释。如果参数为空，结果也为空。","BodyHTML":"函数\u003ccode\u003exmlcomment\u003c/code\u003e创建了一个 XML 值，它包含一个使用指定文本作为内容的 XML 注释。该文本不能包含\u003cspan\u003e“\u003cspan\u003e\u003ccode\u003e--\u003c/code\u003e\u003c/span\u003e”\u003c/span\u003e，也不能以\u003cspan\u003e“\u003cspan\u003e\u003ccode\u003e-\u003c/code\u003e\u003c/span\u003e”\u003c/span\u003e结尾，否则该结果的结构不是一个合法的 XML 注释。如果参数为空，结果也为空。\u003cpre\u003exmlcomment ( text ) → xml\u003c/pre\u003e函数\u003ccode\u003exmlcomment\u003c/code\u003e创建了一个 XML 值，它包含一个使用指定文本作为内容的 XML 注释。该文本不能包含\u003cspan\u003e“\u003cspan\u003e\u003ccode\u003e--\u003c/code\u003e\u003c/span\u003e”\u003c/span\u003e，也不能以\u003cspan\u003e“\u003cspan\u003e\u003ccode\u003e-\u003c/code\u003e\u003c/span\u003e”\u003c/span\u003e结尾，否则该结果的结构不是一个合法的 XML 注释。如果参数为空，结果也为空。","SourceRevision":"ca936764","ContentHash":"7b41e14bb5795e19bd00f1fecce7ba4f265ac1f801a4dc110b39a7251ac27050","Payload":{"description_zh":"函数xmlcomment创建了一个 XML 值，它包含一个使用指定文本作为内容的 XML 注释。该文本不能包含“--”，也不能以“-”结尾，否则该结果的结构不是一个合法的 XML 注释。如果参数为空，结果也为空。","description_zh_html":"函数\u003ccode class=\"function\"\u003exmlcomment\u003c/code\u003e创建了一个 XML 值，它包含一个使用指定文本作为内容的 XML 注释。该文本不能包含\u003cspan class=\"quote\"\u003e“\u003cspan class=\"quote\"\u003e\u003ccode class=\"literal\"\u003e--\u003c/code\u003e\u003c/span\u003e”\u003c/span\u003e，也不能以\u003cspan class=\"quote\"\u003e“\u003cspan class=\"quote\"\u003e\u003ccode class=\"literal\"\u003e-\u003c/code\u003e\u003c/span\u003e”\u003c/span\u003e结尾，否则该结果的结构不是一个合法的 XML 注释。如果参数为空，结果也为空。","signatures":[{"description_zh":"函数xmlcomment创建了一个 XML 值，它包含一个使用指定文本作为内容的 XML 注释。该文本不能包含“--”，也不能以“-”结尾，否则该结果的结构不是一个合法的 XML 注释。如果参数为空，结果也为空。","description_zh_html":"函数\u003ccode class=\"function\"\u003exmlcomment\u003c/code\u003e创建了一个 XML 值，它包含一个使用指定文本作为内容的 XML 注释。该文本不能包含\u003cspan class=\"quote\"\u003e“\u003cspan class=\"quote\"\u003e\u003ccode class=\"literal\"\u003e--\u003c/code\u003e\u003c/span\u003e”\u003c/span\u003e，也不能以\u003cspan class=\"quote\"\u003e“\u003cspan class=\"quote\"\u003e\u003ccode class=\"literal\"\u003e-\u003c/code\u003e\u003c/span\u003e”\u003c/span\u003e结尾，否则该结果的结构不是一个合法的 XML 注释。如果参数为空，结果也为空。","returns":"xml","text":"xmlcomment ( text ) → xml","zh_from":"doc"}],"zh_from":"doc"}},"RequestedLocale":"zh-Hans","Fallback":false,"Versions":["10","11","12","13","14","15","16","17","18","19","20","8.3","8.4","9.0","9.1","9.2","9.3","9.4","9.5","9.6"],"Locales":["en","zh-Hans"],"Signatures":[{"Version":"18","Ordinal":0,"Hash":"9687bef2a8e8f08c38b31976773e4e9eba405a43a863d3e233bdc7c83a5cc36d","Text":"xmlcomment ( text ) → xml","Returns":"xml","Payload":{"description":"The function xmlcomment creates an XML value containing an XML comment with the specified text as content. The text cannot contain “--” or end with a “-”, otherwise the resulting construct would not be a valid XML comment. If the argument is null, the result is null.","description_html":"The function \u003ccode class=\"function\"\u003exmlcomment\u003c/code\u003e creates an XML value containing an XML comment with the specified text as content. The text cannot contain \u003cspan class=\"quote\"\u003e“\u003cspan class=\"quote\"\u003e\u003ccode class=\"literal\"\u003e--\u003c/code\u003e\u003c/span\u003e”\u003c/span\u003e or end with a \u003cspan class=\"quote\"\u003e“\u003cspan class=\"quote\"\u003e\u003ccode class=\"literal\"\u003e-\u003c/code\u003e\u003c/span\u003e”\u003c/span\u003e, otherwise the resulting construct would not be a valid XML comment. If the argument is null, the result is null.","description_zh":"","description_zh_html":"","examples":[],"html":"\u003ccode class=\"function\"\u003exmlcomment\u003c/code\u003e ( \u003ccode class=\"type\"\u003etext\u003c/code\u003e ) → \u003ccode class=\"returnvalue\"\u003exml\u003c/code\u003e","returns":"xml","text":"xmlcomment ( text ) → xml","zh_from":""}}],"Spellings":null,"SQLState":null,"Evidence":null}
