Fixed several memory leaks (say hello to static analizer).

Systemator.m

@@ -282,7 +282,7 @@ + (NSMutableArray*) linesFromContentsOfFile:(NSString*) filename
 + (void) writeLines:(NSArray*) lines toFile:(NSString*) filename
 {
 	// Generate the string containing all lines.
-	NSMutableString* string = [[NSMutableString alloc] init];
+	NSMutableString* string = [NSMutableString string];
 	for (NSString* line in lines)
 	{
 		[string appendString:line];

XMLOutputGenerator.m

@@ -332,6 +332,7 @@ - (void) mergeCleanCategoriesToKnownObjects
 						[nameNode setStringValue:classSectionName];
 					}
 					[classSectionsNode addChild:classSectionNode];
+					[classSectionNode release];
 				}
 			}
 			else
@@ -350,6 +351,7 @@ - (void) mergeCleanCategoriesToKnownObjects
 				{
 					NSXMLElement* classMemberNode = [memberNode copy];
 					[sectionNode addChild:classMemberNode];
+					[classMemberNode release];
 				}
 
 				// Append the section data to the main class document.
@@ -380,6 +382,7 @@ - (void) mergeCleanCategoriesToKnownObjects
 									 index);						
 							NSXMLElement* insertedNode = [categoryFileNode copy];
 							[parentNode insertChild:insertedNode atIndex:index + 1];
+							[insertedNode release];
 							index++;
 						}
 					}
@@ -484,6 +487,7 @@ - (void) createCleanIndexDocumentationFile
 	// Save the markup.
 	NSError* error = nil;
 	NSData* markupData = [document XMLDataWithOptions:NSXMLNodePrettyPrint];
+	[document release];
 	NSString* filename = [self outputBasePath];
 	filename = [filename stringByAppendingPathComponent:[self outputIndexFilename]];
 	if (![markupData writeToFile:filename options:0 error:&error])
@@ -601,6 +605,7 @@ - (void) createCleanHierarchyDocumentationFile
 	// Save the markup.
 	NSError* error = nil;
 	NSData* markupData = [document XMLDataWithOptions:NSXMLNodePrettyPrint];
+	[document release];
 	NSString* filename = [self outputBasePath];
 	filename = [filename stringByAppendingPathComponent:[self outputHierarchyFilename]];
 	if (![markupData writeToFile:filename options:0 error:&error])

appledoc.xcodeproj/project.pbxproj

@@ -383,6 +383,7 @@
 				GCC_WARN_UNUSED_VARIABLE = YES;
 				ONLY_ACTIVE_ARCH = YES;
 				PREBINDING = NO;
+				RUN_CLANG_STATIC_ANALYZER = YES;
 				SDKROOT = macosx10.5;
 			};
 			name = Debug;
@@ -396,6 +397,7 @@
 				GCC_WARN_ABOUT_RETURN_TYPE = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
 				PREBINDING = NO;
+				RUN_CLANG_STATIC_ANALYZER = YES;
 				SDKROOT = macosx10.5;
 			};
 			name = Release;