bug#4157: 23.1.50; faulty character characterisation for ä

[Kenichi Handa]

In article <57B19222-57FF-40C8-8C94-8D19E1281D14@Freenet.DE>, Peter Dyballa 
<Peter_Dyballa@Freenet.DE> writes:

> When I launch GNU Emacs in an ISO Latin environment (env  
> LC_CTYPE=de_DE.ISO8859-15 LANG=de_DE.ISO8859-15 /usr/local/bin/ 
> emacs-23.1.50 -Q &) and display in dired a directory with entries  
> from some month of March the "Mär" abbrevation for the German month  
> name "März" is displayed as M\344r. C-u C-x = on this \344 reveals:

>               character: \344 (4194276, #o17777744, #x3fffe4)
>       preferred charset: eight-bit (Raw bytes 128-255)
>              code point: 0xE4
>                  syntax: w    which means: word
>             buffer code: #xE4
>               file code: not encodable by coding system =
> iso-latin-9-unix
>                 display: no font available

> The dired buffer has a 0 as encoding indicator. In ISO Latin 1 or 15  
> encodings LATIN SMALL LETTER A WITH DIAERESIS is \344 = 228 = 0xE4 =>  U 
> +00E4 a valid character and not some raw "eight-bit" entity. Could be  
> this prevents proper display:

Please show the value of default-file-name-coding-system and
file-name-coding-system.

---
Kenichi Handa
handa@m17n.org