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Sun, 23 Oct 2022 10:29:30 -0700 (PDT) MIME-Version: 1.0 References: In-Reply-To: From: Roman Perepelitsa Date: Sun, 23 Oct 2022 19:29:15 +0200 Message-ID: Subject: Re: UNICODE Private Use Area characters in BUFFER To: Bart Schaefer Cc: Mikael Magnusson , Zsh hackers list Content-Type: text/plain; charset="UTF-8" X-Seq: 50813 Archived-At: X-Loop: zsh-workers@zsh.org Errors-To: zsh-workers-owner@zsh.org Precedence: list Precedence: bulk Sender: zsh-workers-request@zsh.org X-no-archive: yes List-Id: List-Help: , List-Subscribe: , List-Unsubscribe: , List-Post: List-Owner: List-Archive: On Sun, Oct 23, 2022 at 7:02 PM Bart Schaefer wrote: > > On Sun, Oct 23, 2022, 9:45 AM Roman Perepelitsa wrote: >> >> A few more tests to show that Private Use Area characters work find in >> zsh with the exception that you cannot put then in BUFFER: > > > I don't have the code handy, but I suspect this is due to the implementation of wisprnt() [sic] returning false for those characters. You are right, iswprint(0xE0B0) returns 0. I'm compiling zsh with --enable-unicode9, so instead of iswprint() it goes into u9_iswprint(). This function explicitly handles this case and returns 0, just like iswprint(). So we get this: WCWIDTH(0xE0B0) => 1 WC_ISPRINT(0xE0B0) => 0 I think u9_iswprint() should return 1 for Private Use Area characters. Roman. P.S. Why isn't --enable-unicode9 a default?