Dear Screen gurus,
I am using Screen in a en_US.UTF-8 locale, inside an xterm. I am using the xterm standard escape sequence to set the window title. I have a the following problem: There is no problem with the Ascii characters (Unicode < 0+007F), which are represented by one byte in UTF-8, but also with Latin1 characters (Unicode < U+00FF), which are arepresented but two bytes, are displayed ok. However, other characters are displayed incorrectly: for example, the command echo -e '\e]0;ΑΒΓΔ\a\c' which normally sets the title line to the four Greek character Alpha, Beta, Gamma, Delta (U+0391..U+0394) (I use xterm-223 with utf-8 title) . If I start screen in this xterm (without any hardstatus preset) I see in the title four dotted squares, If I run xprop on the non-screen xterm I see WM_ICON_NAME(COMPOUND_TEXT) = "ΑΒΓΔ" WM_NAME(COMPOUND_TEXT) = "ΑΒΓΔ" but if I do the same inside screen I see WM_ICON_NAME(STRING) = "\302\221\302\222\302\223\302\224" WM_NAME(STRING) = "\302\221\302\222\302\223\302\224" Note: GREEK CAPITAL LETTER ALPHA, U+0391 is in UTF-8 \316\221 which is modified to \302\221 , U+0091, which is a control character (PRIVATE USE ONE) and therefor not printable. Note also the difference showing in COMPOUND_TEXT vs. STRING. Another example: echo -e '\e]0;אבגד\a\c' Without screen: I see in the title four Hebrew characters Alef, Bet, Gimmel, Dalet (U+05D0..U+05D3) WM_ICON_NAME(COMPOUND_TEXT) = "אבגד" WM_NAME(COMPOUND_TEXT) = "אבגד" Inside screen: I see in the title the four latin1 characters Ð Ñ Ò Ó (U+00D0..U+00D3), and xprop gives of course WM_ICON_NAME(STRING) = "ÐÑÒÓ" WM_NAME(STRING) = "ÐÑÒÓ" Note: HEBREW LETTER ALEF, U+05D0 is in UTF-8 \327\220 which is modified to \303\220, U+00D0, LATIN CAPITAL LETTER ETH I also tried unicode characters which are three UTF-8 bytes in the General Punctuation block, e.g., U+2019 RIGHT SINGLE QUOTATION MARK, \342\200\231. echo -e '\e]0;’\a\c' gave the desired xterm title with WM_ICON_NAME(COMPOUND_TEXT) = "’" WM_NAME(COMPOUND_TEXT) = "’" however within screen we see a question mark in the title, and xprop shows accordingly WM_ICON_NAME(STRING) = "?" WM_NAME(STRING) = "?" I tried to research the screen sources but to now avail. Since I see screen is actively developed, I decided to send this mail. I hope this is the correct list - perhaps when I am more proficient with screen developement I'll post to screen-developers :-) All the best, Zvi. -- Dr. Zvi Har'El mailto:[EMAIL PROTECTED] Department of Mathematics tel:+972-54-4227607 icq:179294841 Technion - Israel Institute of Technology fax:+972-4-8293388 http://www.math.technion.ac.il/~rl/ Haifa 32000, ISRAEL "If you can't say somethin' nice, don't say nothin' at all." -- Thumper (1942)
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