--- rxvt-unicode/README.configure	2010/07/24 14:20:48	1.66
+++ rxvt-unicode/README.configure	2021/05/14 13:47:43	1.83
@@ -18,8 +18,8 @@
         "--disable-everything" and than adding just the "--enable-..."
         arguments you want.
 
-    --enable-xft (default: enabled)
-        Add support for Xft (anti-aliases, among others) fonts. Xft fonts
+    --enable-xft (default: on)
+        Add support for Xft (anti-aliased, among others) fonts. Xft fonts
         are slower and require lots of memory, but as long as you don't use
         them, you don't pay for them.
 
@@ -27,7 +27,7 @@
         Add support for bold, *italic* and *bold italic* font styles. The
         fonts can be set manually or automatically.
 
-    --with-codesets=NAME,... (default: all)
+    --with-codesets=CS,... (default: all)
         Compile in support for additional codeset (encoding) groups ("eu",
         "vn" are always compiled in, which includes most 8-bit character
         sets). These codeset tables are used for driving X11 core fonts,
@@ -66,7 +66,7 @@
         Enable automatic composition of combining characters into composite
         characters. This is required for proper viewing of text where
         accents are encoded as separate unicode characters. This is done by
-        using precomposited characters when available or creating new
+        using precomposed characters when available or creating new
         pseudo-characters when no precomposed form exists.
 
         Without --enable-unicode3, the number of additional precomposed
@@ -80,7 +80,7 @@
         forms, but these are not currently used. Bug me if you want these to
         be used (and tell me how these are to be used...).
 
-    --enable-fallback(=CLASS) (default: Rxvt)
+    --enable-fallback[=CLASS] (default: Rxvt)
         When reading resource settings, also read settings for class CLASS.
         To disable resource fallback use --disable-fallback.
 
@@ -106,26 +106,20 @@
         at start of rxvt execution. This option requires --enable-utmp to
         also be specified.
 
-    --enable-afterimage (default: on)
-        Add support for libAfterImage to be used for transparency and
-        background images. It adds support for many file formats including
-        JPG, PNG, SVG, TIFF, GIF, XPM, BMP, ICO, XCF, TGA and AfterStep
-        image XML
-        (<http://www.afterstep.org/visualdoc.php?show=asimagexml>).
-
-        This option also adds such eye candy as blending an image over the
-        root background, as well as dynamic scaling and bluring of
-        background images.
-
-        Note that with this option enabled, rxvt's memory footprint might
-        increase by a few megabytes even if no extra features are used
-        (mostly due to third-party libraries used by libAI). Memory
-        footprint may somewhat be lowered if libAfterImage is configured
-        without support for SVG.
+    --enable-pixbuf (default: on)
+        Add support for GDK-PixBuf to be used for background images. It adds
+        support for many file formats including JPG, PNG, TIFF, GIF, XPM,
+        BMP, ICO and TGA.
+
+    --enable-startup-notification (default: on)
+        Add support for freedesktop startup notifications. This allows
+        window managers to display some kind of progress indicator during
+        startup.
 
     --enable-transparency (default: on)
-        Add support for backgrounds, creating illusion of transparency in
-        the term.
+        Add support for using the root pixmap as background to simulate
+        transparency. Note that this feature depends on libXrender and on
+        the availability of the RENDER extension in the X server.
 
     --enable-fading (default: on)
         Add support for fading the text when focus is lost.
@@ -179,6 +173,10 @@
           compile in built-in block graphics
           skip builtin block graphics (-sbg)
           separate highlight colour (-highlightColor, -highlightTextColor)
+          focus reporting mode (1004).
+          extended mouse reporting modes (1005, 1006 and 1015).
+          visual selection via -visual and -depth.
+          systemd socket activation
 
         It also enables some non-essential features otherwise disabled, such
         as:
@@ -196,7 +194,7 @@
           verbose X error handling
 
     --enable-iso14755 (default: on)
-        Enable extended ISO 14755 support (see rxvt(1)). Basic support
+        Enable extended ISO 14755 support (see urxvt(1)). Basic support
         (section 5.1) is enabled by "--enable-frills", while support for
         5.2, 5.3 and 5.4 is enabled with this switch.
 
@@ -228,8 +226,8 @@
         Add support to have the pointer disappear when typing or inactive.
 
     --enable-perl (default: on)
-        Enable an embedded perl interpreter. See the rxvtperl(3) manpage for
-        more info on this feature, or the files in src/perl/ for the
+        Enable an embedded perl interpreter. See the urxvtperl(3) manpage
+        for more info on this feature, or the files in src/perl/ for the
         extensions that are installed by default. The perl interpreter that
         is used can be specified via the "PERL" environment variable when
         running configure. Even when compiled in, perl will *not* be
@@ -251,13 +249,10 @@
         "rxvt-unicode-256color" by default (doc/etc/ contains
         termcap/terminfo definitions for both).
 
-        It also results in higher memory usage and can slow down rxvt
+        It also results in higher memory usage and can slow down urxvt
         dramatically when more than six fonts are in use by a terminal
         instance.
 
-    --with-afterimage-config=DIR
-        Look for the libAfterImage config script in DIR.
-
     --with-name=NAME (default: urxvt)
         Set the basename for the installed binaries, resulting in "urxvt",
         "urxvtd" etc.). Specify "--with-name=rxvt" to replace with "rxvt".