Added Boolean category

Frontend/src/assets/tooltips/xpath/xpath1.json

@@ -118,6 +118,19 @@
 
                 ],
                 "documentationReferenceURL": "https://www.w3.org/TR/1999/REC-xpath-19991116/#section-Node-Set-Functions"
+            },
+            {
+                "name": "lang()",
+                "description": "The lang function returns true or false depending on whether the language of the context node as specified by xml:lang attributes is the same as or is a sublanguage of the language specified by the argument string.",
+                "arguments": [
+                    {
+                        "type": "string",
+                        "description": "Language that will be looked for in context node"
+                    }
+                ],
+                "output": "boolean",
+                "examples": [],
+                "documentationReferenceURL": "https://www.w3.org/TR/1999/REC-xpath-19991116/#section-Boolean-Functions"
             }
         ]
     },
@@ -194,19 +207,6 @@
                     }
                 ],
                 "documentationReferenceURL": "https://www.w3.org/TR/1999/REC-xpath-19991116/#section-Boolean-Functions"
-            },
-            {
-                "name": "lang()",
-                "description": "The lang function returns true or false depending on whether the language of the context node as specified by xml:lang attributes is the same as or is a sublanguage of the language specified by the argument string.",
-                "arguments": [
-                    {
-                        "type": "string",
-                        "description": "Language that will be looked for in context node"
-                    }
-                ],
-                "output": "boolean",
-                "examples": [],
-                "documentationReferenceURL": "https://www.w3.org/TR/1999/REC-xpath-19991116/#section-Boolean-Functions"
             }
             
         ]

Frontend/src/assets/tooltips/xpath/xpath2.json

@@ -164,6 +164,85 @@
             }
         ]
     },
+    {
+        "name": "Boolean",
+        "entries": [
+            {
+                "name": "boolean()",
+                "description": "Computes the effective boolean value of the sequence $arg.",
+                "arguments": [
+                    {
+                        "type": "item()* (One or more)",
+                        "description": "$arg"
+                    }
+                ],
+                "output": "xs:boolean? (Optional)",
+                "examples": [
+                    {
+                        "command": "boolean(0)",
+                        "output": "false"
+                    },
+                    {
+                        "command": "boolean(())",
+                        "output": "false"
+                    },
+                    {
+                        "command": "boolean(1)",
+                        "output": "true"
+                    }
+                ],
+                "documentationReferenceURL": "https://www.w3.org/TR/xquery-operators/#func-boolean"
+            },
+            {
+                "name": "true()",
+                "description": "Returns the xs:boolean value true. Equivalent to xs:boolean('1').",
+                "arguments": [],
+                "output": "xs:boolean",
+                "examples": [
+                    {
+                        "command": "true()",
+                        "output": "true"
+                    }
+                ],
+                "documentationReferenceURL": "https://www.w3.org/TR/xquery-operators/#func-true"
+            },
+            {
+                "name": "false()",
+                "description": "Returns the xs:boolean value false. Equivalent to xs:boolean('0').",
+                "arguments": [],
+                "output": "xs:boolean",
+                "examples": [
+                    {
+                        "command": "false()",
+                        "output": "false"
+                    }
+                ],
+                "documentationReferenceURL": "https://www.w3.org/TR/xquery-operators/#func-false"
+            },
+            {
+                "name": "not()",
+                "description": "$arg is first reduced to an effective boolean value by applying the fn:boolean() function. Returns true if the effective boolean value is false, and false if the effective boolean value is true.",
+                "arguments": [
+                    {
+                        "type": "item()",
+                        "description": "$arg"
+                    }
+                ],
+                "output": "xs:boolean",
+                "examples": [
+                    {
+                        "command": "not(false())",
+                        "output": "true"
+                    },
+                    {
+                        "command": "not(true())",
+                        "output": "false"
+                    }
+                ],
+                "documentationReferenceURL": "https://www.w3.org/TR/xquery-operators/#func-not"
+            }
+        ]
+    },
     {
         "name": "Number",
         "entries": [