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Re: Unicode bugs??

From: Rusi
Subject: Re: Unicode bugs??
Date: Fri, 28 Mar 2014 06:45:36 -0700 (PDT)
User-agent: G2/1.0

On Friday, March 28, 2014 6:49:55 PM UTC+5:30, Kevin Rodgers wrote:
> On 3/28/14 6:18 AM, Rusi wrote:
> > There are some characters eg ⟨ ⟩
> > (27E8, 27E9)
> > which when emacs handles makes it use (visually) many lines to store it.
> > IOW paste these into emacs on say line 2
> > I find line 1 and line 3 some some 3-4 lines apart
> > Also most strikingly the cursor becomes 4 times its size when point is put 
> > on these chars

> Move point before each character and do `C-u C-x =', then note the font
> used to display it.


Currently all these are misbehaving:

⟮ ⟯ ⟪ ⟫ 𝗮𝗯𝗰𝗱𝗲𝗳𝗴𝗵𝗶𝗷𝗸𝗹𝗺𝗻𝗼𝗽𝗾𝗿𝘀𝘁𝘂𝘃𝘄𝘅𝘆𝘇

 xft:-unknown-Latin Modern Math-normal-normal-normal-*-12-*-*-*-*-0-iso10646-1 

In general what is shown is like this (name etc is of course different for each 

             position: 574 of 687 (83%), column: 8
            character: 𝗮 (displayed as 𝗮) (codepoint 120302, #o352756, #x1d5ee)
    preferred charset: unicode (Unicode (ISO10646))
code point in charset: 0x1D5EE
               syntax: w        which means: word
             category: .:Base, L:Left-to-right (strong)
             to input: type "C-x 8 RET HEX-CODEPOINT" or "C-x 8 RET NAME"
          buffer code: #xF0 #x9D #x97 #xAE
            file code: #xF0 #x9D #x97 #xAE (encoded by coding system utf-8-unix)
              display: by this font (glyph code)
    xft:-unknown-Latin Modern 
Math-normal-normal-normal-*-12-*-*-*-*-0-iso10646-1 (#xBDE)

Character code properties: customize what to show
  general-category: Ll (Letter, Lowercase)
  decomposition: (font 97) (font 'a')

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