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opt-shift-k gives me the expected Apple logo character in Notes and TextEdit, but in Mail I just get a square box. Same in a Flashcard Hero app I have. It used to work everywhere, but now, at least in Sonoma 14.3.1, it doesn't work some places.  (seems to work here)  I also have a keyboard text replacement set on my computer where I can type "apple logo" without the space in between and it puts in the character. That's not working in the same places opt-shift-k isn't working, so I guess the problem is in the Mail app and the Flashcard app. Is anyone else finding this problem? Any ideas? I don't find any threads here on it, or on the web. Perhaps it's a new thing.

With spaces allowed in Mac folder names, it's necessary to use an escape sequence while programming (at least what I'm doing in C right now) and Xcode is complaining about the standard usage of the backslash character, as in: input = fopen("/Users/joe\ schmoe/namedata.txt", "r"); if one of the folders were named "joe schmoe" with the space in there. Everything works, but the yellow warning tag and highlighting is bothersome. How do I turn off that incorrect warning?

Two methods of reading a small text file work in Playground but fail in a MacOS App. Some permissions thing or ? Any clues would be appreciated. this simple one errors with: Operation not permitted import Cocoa var path = "/Users/jeff/Documents/DateDisplayData.txt" //read text file line by line func readFile(_ path: String) -> Int {     errno = 0     if freopen(path, "r", stdin) == nil {         perror(path)         return 1     }     while let line = readLine() {         //do something with lines.. &#9;      print(line)     }     return 0 } readFile(path) In case the simple example wasn't enough, this longer one errors with: File expected at “…<path>...” is missing import Cocoa // get URL to the the documents directory in the sandbox let home = FileManager.default.homeDirectoryForCurrentUser // add a filename let fileUrl = home     .appendingPathComponent("Documents")     .appendingPathComponent("DateDisplayData")     .appendingPathExtension("txt") // make sure the file exists guard FileManager.default.fileExists(atPath: fileUrl.path) else {     preconditionFailure("file expected at \(fileUrl.absoluteString) is missing") } // open the file for reading // note: user should be prompted the first time to allow reading from this location guard let filePointer:UnsafeMutablePointer<FILE> = fopen(fileUrl.path,"r") else {     preconditionFailure("Could not open file at \(fileUrl.absoluteString)") } // a pointer to a null-terminated, UTF-8 encoded sequence of bytes var lineByteArrayPointer: UnsafeMutablePointer<CChar>? = nil // the smallest multiple of 16 that will fit the byte array for this line var lineCap: Int = 0 // initial iteration var bytesRead = getline(&lineByteArrayPointer, &lineCap, filePointer) defer {     // remember to close the file when done     fclose(filePointer) } while (bytesRead > 0) {     // note: this translates the sequence of bytes to a string using UTF-8 interpretation     let lineAsString = String.init(cString:lineByteArrayPointer!)     // do whatever you need to do with this single line of text     print(lineAsString, terminator: "")     // updates number of bytes read, for the next iteration     bytesRead = getline(&lineByteArrayPointer, &lineCap, filePointer) }