--- rxvt-unicode/README.FAQ 2006/01/11 19:55:33 1.24 +++ rxvt-unicode/README.FAQ 2006/01/17 16:22:41 1.31 @@ -1,4 +1,44 @@ FREQUENTLY ASKED QUESTIONS + The new selection selects pieces that are too big, how can I select + single words? + Yes. For example, if you want to select alphanumeric words, you can + use the following resource: + + URxvt.selection.pattern-0: ([[:word:]]+) + + If you click more than twice, the selection will be extended more + and more. + + To get a selection that is very similar to the old code, try this + pattern: + + URxvt.selection.pattern-0: ([^"&'()*,;<=>?@[\\\\]^`{|})]+) + + Please also note that the *LeftClick Shift-LeftClik* combination + also selects words like the old code. + + I don't like the new selection/popups/hotkeys/perl, how do I + change/disable it? + You can disable the perl extension completely by setting the + perl-ext-common resource to the empty string, which also keeps + rxvt-unicode from initialising perl, saving memory. + + If you only want to disable specific features, you first have to + identify which perl extension is responsible. For this, read the + section PREPACKAGED EXTENSIONS in the rxvtperl(3) manpage. For + example, to disable the selection-popup and option-popup, specify + this perl-ext-common resource: + + URxvt.perl-ext-common: default,-selection-popup,-option-popup + + This will keep the default extensions, but disable the two popup + extensions. Some extensions can also be configured, for example, + scrollback search mode is triggered by M-s. You can move it to any + other combination either by setting the searchable-scrollback + resource: + + URxvt.searchable-scrollback: CM-s + Isn't rxvt supposed to be small? Don't all those features bloat? I often get asked about this, and I think, no, they didn't cause extra bloat. If you compare a minimal rxvt and a minimal urxvt, you @@ -127,24 +167,21 @@ I need to make it setuid/setgid to support utmp/ptys on my OS, is this safe? - Likely not. While I honestly try to make it secure, and am probably - not bad at it, I think it is simply unreasonable to expect all of - freetype + fontconfig + xft + xlib + perl + ... + rxvt-unicode - itself to all be secure. Also, rxvt-unicode disables some options - when it detects that it runs setuid or setgid, which is not nice. - Besides, with the embedded perl interpreter the possibility for - security problems easily multiplies. - - Elevated privileges are only required for utmp and pty operations on - some systems (for example, GNU/Linux doesn't need any extra - privileges for ptys, but some need it for utmp support). It is - planned to mvoe this into a forked handler process, but this is not - yet done. - - So, while setuid/setgid operation is supported and not a problem on - your typical single-user-no-other-logins unix desktop, always - remember that its an awful lot of code, most of which isn't checked - for security issues regularly. + It should be, starting with release 7.1. You are encouraged to + properly install urxvt with privileges necessary for your OS now. + + When rxvt-unicode detects that it runs setuid or setgid, it will + fork into a helper process for privileged operations (pty handling + on some systems, utmp/wtmp/lastlog handling on others) and drop + privileges immediately. This is much safer than most other terminals + that keep privileges while running (but is more relevant to urxvt, + as it contains things as perl interpreters, which might be "helpful" + to attackers). + + This forking is done as the very first within main(), which is very + early and reduces possible bugs to initialisation code run before + main(), or things like the dynamic loader of your system, which + should result in very little risk. When I log-in to another system it tells me about missing terminfo data? The terminal description used by rxvt-unicode is not as widely @@ -542,7 +579,7 @@ You can specify separate locales for the input method and the rest of the terminal, using the resource "imlocale": - URxvt*imlocale: ja_JP.EUC-JP + URxvt.imlocale: ja_JP.EUC-JP Now you can start your terminal with "LC_CTYPE=ja_JP.UTF-8" and still use your input method. Please note, however, that you will not @@ -595,7 +632,7 @@ some editors prematurely may leave the mouse in mouse report mode. I've heard that tcsh may use mouse reporting unless it otherwise specified. A quick check is to see if cut/paste works when the Alt - or Shift keys are depressed. See rxvt(7) + or Shift keys are depressed. What's with this bold/blink stuff? If no bold colour is set via "colorBD:", bold will invert text using @@ -691,7 +728,7 @@ $ stty erase ^? $ rxvt - Toggle with "ESC [ 36 h" / "ESC [ 36 l" as documented in rxvt(7). + Toggle with "ESC [ 36 h" / "ESC [ 36 l". For an existing rxvt-unicode: