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Sun, 23 Oct 2022 11:54:46 -0700 (PDT) MIME-Version: 1.0 References: In-Reply-To: From: Bart Schaefer Date: Sun, 23 Oct 2022 11:54:35 -0700 Message-ID: Subject: Re: UNICODE Private Use Area characters in BUFFER To: Roman Perepelitsa Cc: Mikael Magnusson , Zsh hackers list Content-Type: text/plain; charset="UTF-8" X-Seq: 50816 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 10:29 AM Roman Perepelitsa wrote: > > You are right, iswprint(0xE0B0) returns 0. Interestingly, ${(V)...} et al. don't consult iswprint(), they just call wcs_nicechar_sel() which only consults WCWIDTH(). Some characters like $'\u21A9' report and occupy a width of 1, but part of the character overlaps the cell to the right when displayed. > I think u9_iswprint() should return 1 for Private Use Area characters. Suggest a patch to Src/wcwidth9.h ? I'm not sure whether to update the static wcwidth9() function, or the entries in the lookup tables.