utf8 locale and code position desynchronization on display

[Valéry FRONTERE]

Config:
Ubuntu 14.04.2 LTS with standard .deb (1:3.3.12-5)
GNU DDD 3.3.12 (x86_64-pc-linux-gnu)
Compiled with GCC 4.8.1, GNU libc 2.17
Requires X11R6, Xt11R6, Motif 2.3.4 (Motif Version 2.3.4)
Includes XPM 3.4.11, Athena Panner (7000002L), DDD core
Built 2013-07-07 by Daniel Schepler <schepler@debian.org>.
Default gdb.

Default system locale: fr_FR.UTF-8

Since a few versions of Ubuntu when using ddd with utf8 source files and uft8 system locale, the mouse pointer is not synchonized with the line displayed.
Each unicode character is uncorrectly interpreted on display and shift the logical mouse position one line against physical line. ddd become graphically unuseable (break points or display variables don't match mouse pointer).

The problem is solved when changing locale to C: export LC_ALL=C
The characters are not well displayed but ddd do analyse correctly name under mouse pointer position.

I have no problem on debian stable (also I don't remember actual locale).

--

Cordialement,

Valéry FRONTERE

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