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.NET Forum / .NET Framework / Internationalization / October 2004Removing BOF from a utf8 file
I have a utf-8 PHP file handled with Notapad (w2k), which suddenly started showing a gap at the top of the IE6 screen. Viewing the source code via View-Source shows a square it the beginning of the file, which, I guess, is BOM How do I remove it? > I have a utf-8 PHP file handled with Notapad (w2k), which suddenly > started showing a gap at the top of the IE6 screen. > Viewing the source code via View-Source shows a square it the > beginning of the file, which, I guess, is BOM > How do I remove it? Open it in notepad and save it as "ANSI".  SignatureGreetings Jochen My blog about Win32 and .NET http://blog.kalmbachnet.de/ Open it in notepad and save it as "ANSI". Then I will loose all the non-ANSI data? > Open it in notepad and save it as "ANSI". > > Then I will loose all the non-ANSI data? Yes. SignatureGreetings Jochen My blog about Win32 and .NET http://blog.kalmbachnet.de/ The BOM is not visible in Internet Explorer any time that either: a) IE recognizes the file format (which is to say, usually), or b) the code point is in the font as a ZERO WIDTH NO BREAK SPACE (which is again to say, usually) You can try right-clicking on the page and verifying the encoding in the [unlikely] event that both (A) and (B) are not true. SignatureMichKa [MS] NLS Collation/Locale/Keyboard Development Globalization Infrastructure and Font Technologies Windows International Division This posting is provided "AS IS" with no warranties, and confers no rights. > I have a utf-8 PHP file handled with Notapad (w2k), which suddenly started > showing a gap at the top of the IE6 screen. > Viewing the source code via View-Source shows a square it the beginning of > the file, which, I guess, is BOM > How do I remove it? Thanks, right-clicking --> encoding shows Unicode (UTF-8) However the file in question is a PHP file wich includes another PHP UTF-8 files at the very begining ising the PHP operator include. That second file, I guess, has its own BOF which is located somewhere after the first BOF, which might render it visible in the browser In a non-Unicode text editor this shows up as  Some time ago I run across similat problem with ASP, but cannot remember how I got round it. > The BOM is not visible in Internet Explorer any time that either: > [quoted text clipped - 11 lines] > > the file, which, I guess, is BOM > > How do I remove it? Those are the bytes of a BOM -- and what they would look like if it was not detected as UTF-8 (which is not an issue in IE, by your own admission). If you are combining files in something and no one is removing the superfluous BOM then make sure you see it with a font that recognizes it is a ZERO WIDTH NO BREAK SPACE. I know that it can read Unicode in UTF-8 (since you claim there are many international characters in the file?). In other words, everything you have discussed so far should have no problem. Eventually you masy need to ask the question a more relevant forum for the the responsible technology (PHP?). SignatureMichKa [MS] NLS Collation/Locale/Keyboard Technical Lead Globalization Infrastructure and Font Technologies Windows International Division This posting is provided "AS IS" with no warranties, and confers no rights. > Thanks, > right-clicking --> encoding shows Unicode (UTF-8) [quoted text clipped - 24 lines] > > > the file, which, I guess, is BOM > > > How do I remove it? >I have a utf-8 PHP file handled with Notapad (w2k), which suddenly started > showing a gap at the top of the IE6 screen. > Viewing the source code via View-Source shows a square it the beginning of > the file, which, I guess, is BOM > How do I remove it? Certain editors like SciTE allow you to save UTF-8 files either with our without BOM. Cheers, SignatureJoerg Jooss joerg.jooss@gmx.net Is the BOM the special hex numbers found at the begining of UTF-8 files when saved with notepad? Are UTF-8 text files with no BOM valid utf-8? If so, how can my application detect that a file is in UTF-8 or ANSI? Jeremy. > >I have a utf-8 PHP file handled with Notapad (w2k), which suddenly started > > showing a gap at the top of the IE6 screen. [quoted text clipped - 6 lines] > > Cheers, > Is the BOM the special hex numbers found at the begining of UTF-8 > files when saved with notepad? Yes. Notepad always prepends the BOM. > Are UTF-8 text files with no BOM valid utf-8? Yes. A UTF-8 BOM is optional. > If so, how can my > application detect that a file is in UTF-8 or ANSI? That's impossible. Even a BOM is a valid (though rather likely meaningless) character sequence in ANSI (and the next question would be what's ANSI? Windows 1252? Windows 1250?). Cheers, SignatureJoerg Jooss www.joergjooss.de news@joergjooss.de Free MagazinesGet these publications absolutely FREE for up to 12 months. There are no hidden fees and no obligation. Simply choose a title, complete the application form and submit it. Read more ...
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