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+X11 Considerations
+==================
+
+PDCurses for X11 uses the System V IPC shared memory facility, along 
+with sockets, to share data between the curses program and the child 
+process created to manage the X stuff.
+
+When compiling your application, you need to include the <curses.h> or 
+<xcurses.h> that comes with PDCurses. You also need to link your code 
+with libXCurses. You may need to link with the following libraries under 
+X11R5:
+    Xaw Xmu Xt X11
+
+or, under X11R6:
+    Xaw Xmu Xt X11 SM ICE Xext
+
+You can run "xcurses-config --libs" to show the link parameters for your 
+system. If using dynamic linking, on some systems, "-lXCurses" suffices.
+
+By calling Xinitscr() rather than initscr(), you can pass your program 
+name and resource overrides to PDCurses. The program name is used as the 
+title of the X window, and for defining X resources specific to your 
+program.
+
+
+Interaction with stdio
+----------------------
+
+Be aware that curses programs that expect to have a normal tty 
+underneath them will be very disappointed! Output directed to stdout 
+will go to the xterm that invoked the PDCurses application, or to the 
+console if not invoked directly from an xterm. Similarly, stdin will 
+expect its input from the same place as stdout.
+
+
+X Resources
+-----------
+
+PDCurses for X11 recognizes the following resources:
+
+    lines
+    cols
+    normalFont
+    italicFont
+    pointer
+    pointerForeColor
+    pointerBackColor
+    cursorColor
+    textCursor
+    colorBlack
+    colorRed
+    colorGreen
+    colorYellow
+    colorBlue
+    colorMagenta
+    colorCyan
+    colorWhite
+    colorBoldBlack
+    colorBoldRed
+    colorBoldGreen
+    colorBoldYellow
+    colorBoldBlue
+    colorBoldMagenta
+    colorBoldCyan
+    colorBoldWhite
+    bitmap
+    pixmap
+    translations
+    shmmin
+    borderWidth
+    borderColor
+    clickPeriod
+    doubleClickPeriod
+    composeKey
+
+lines:		   Specifies the number of lines the "screen" will have.
+		   Directly equates to LINES.
+		   There is no theoretical maximum.
+		   The minimum value must be 2.
+		   Default:	   24
+
+cols:		   Specifies the number of columns the "screen" will have.
+                   Directly equates to COLS.
+                   There is no theoretical maximum.
+                   The minimum value must be 2.
+                   Default:	   80
+
+normalFont:	   The name of a fixed width font.
+		   Default:	   7x13
+
+italicFont:	   The name of a fixed width font to be used for
+		   characters with A_ITALIC attributes. Must have the 
+		   same cell size as normalFont.
+		   Default:	   7x13 (obviously not an italic font)
+
+pointer:	   The name of a valid pointer cursor.
+		   Default:	   xterm
+
+pointerForeColor:  The foreground color of the pointer.
+		   Default:	   black
+
+pointerBackColor:  The background color of the pointer.
+		   Default:	   white
+
+textCursor:	   The alignment of the text cursor; horizontal or vertical.
+		   Default:	   horizontal
+
+colorBlack:	   The color of the COLOR_BLACK attribute.
+		   Default:	   Black
+
+colorRed:	   The color of the COLOR_RED attribute.
+		   Default:	   red3
+
+colorGreen:	   The color of the COLOR_GREEN attribute.
+		   Default:	   green3
+
+colorYellow:	   The color of the COLOR_YELLOW attribute.
+		   Default:	   yellow3
+
+colorBlue:	   The color of the COLOR_BLUE attribute.
+		   Default:	   blue3
+
+colorMagenta:	   The color of the COLOR_MAGENTA attribute.
+		   Default:	   magenta3
+
+colorCyan:	   The color of the COLOR_CYAN attribute.
+		   Default:	   cyan3
+
+colorWhite:	   The color of the COLOR_WHITE attribute.
+		   Default:	   Grey
+
+colorBoldBlack:    COLOR_BLACK combined with A_BOLD.
+		   Default:	   grey40
+
+colorBoldRed:	   COLOR_RED combined with A_BOLD.
+		   Default:	   red1
+
+colorBoldGreen:    COLOR_GREEN combined with A_BOLD.
+		   Default:	   green1
+
+colorBoldYellow:   COLOR_YELLOW combined with A_BOLD.
+		   Default:	   yellow1
+
+colorBoldBlue:	   COLOR_BLUE combined with A_BOLD.
+		   Default:	   blue1
+
+colorBoldMagenta:  COLOR_MAGENTA combined with A_BOLD.
+		   Default:	   magenta1
+
+colorBoldCyan:	   COLOR_CYAN combined with A_BOLD.
+		   Default:	   cyan1
+
+colorBoldWhite:    COLOR_WHITE combined with A_BOLD.
+		   Default:	   White
+
+bitmap:		   The name of a valid bitmap file of depth 1 (black and white)
+		   used for the application's icon. The file is an X bitmap.
+		   Default:        a 32x32 or 64x64 pixmap depending on the 
+				   window manager
+
+pixmap:		   The name of a valid pixmap file of any depth 
+		   supported by the window manager (color) for the 
+		   application's icon, The file is an X11 pixmap. This 
+		   resource is only available if the libXpm package has 
+		   been installed (most systems have this by default). 
+		   This resource overrides the "bitmap" resource.
+                   Default:        none, uses default bitmap above
+
+translations:      Translations enable the user to customize the action
+		   that occurs when a key, combination of keys, or a
+		   button is pressed.  The translations are similar to
+		   those used by xterm.
+		   Defaults:
+			<Key>:		XCursesKeyPress()
+			<KeyUp>:	XCursesKeyPress()
+			<BtnDown>:	XCursesButton()
+			<BtnUp>:	XCursesButton()
+			<BtnMotion>:	XCursesButton()
+
+		   The most useful action for KeyPress translations is 
+		   string(). The argument to the string() action can be 
+		   either a string or a hex representation of a 
+		   character; e.g., string(0x1b) will send the ASCII
+		   escape character to the application; string("[11~") 
+		   will send [ 1 1 ~ , as separate keystrokes.
+
+shmmin:		   On most systems, there are two Unix kernel parameters
+		   that determine the allowable size of a shared memory
+		   segment. These parameters are usually something like 
+		   SHMMIN and SHMMAX. To use shared memory, a program
+		   must allocate a segment of shared memory that is
+		   between these two values.  Usually these values are
+		   like 1 for SHMMIN and some large number for SHMMAX. 
+		   Sometimes the Unix kernel is configured to have a
+		   value of SHMMIN that is bigger than the size of one
+		   of the shared memory segments that libXCurses uses. 
+		   On these systems an error message like:
+
+		     Cannot allocate shared memory for SCREEN: Invalid argument
+
+		   will result. To overcome this problem, this resource 
+		   should be set to the kernel value for SHMMIN. This
+		   ensures that a shared memory segment will always be
+		   bigger than the kernel value for SHMMIN (and
+		   hopefully less than SHMMAX!)
+
+		   Default:	   0
+
+borderColor:	   The color of the border around the screen.
+		   Default:	   black
+
+borderWidth:	   The width in pixels of the border around the screen.
+		   Default:	   0
+
+clickPeriod:	   The period (in milliseconds) between a button 
+		   press and a button release that determines if a click
+		   of a button has occurred.
+		   Default:	   100
+
+doubleClickPeriod: The period (in milliseconds) between two button
+		   press events that determines if a double click
+		   of a button has occurred.
+		   Default:	   200
+
+composeKey:	   The name of the X key that defines the "compose key",
+		   which is used to enter characters in the Latin-1 
+		   character set above 0xA0. (See "Compose Keys for 
+		   Latin-1" below.) This is used only when PDCurses is 
+		   built without XIM support. While in compose mode, the 
+		   text cursor will appear as a hollow rectangle.
+		   Default:	   Multi_key
+
+
+Using Resources
+---------------
+
+All applications have a top-level class name of "XCurses". If Xinitscr() 
+is used, it sets an application's top-level widget name. (Otherwise the 
+name defaults to "PDCurses".)
+
+Examples for app-defaults or .Xdefaults:
+
+!
+! resources for XCurses class of programs
+!
+XCurses*lines:  30
+XCurses*cols:   80
+XCurses*normalFont:     9x13
+XCurses*bitmap: /tmp/xcurses.xbm
+XCurses*pointer: top_left_arrow
+!
+! resources for testcurs - XCurses
+!
+testcurs.colorRed:      orange
+testcurs.colorBlack:    midnightblue
+testcurs.lines: 25
+*testcurs.Translations: #override \n \
+  <Key>F12:  string(0x1b) string("[11~") \n
+!
+! resources for THE - XCurses
+!
+! resources with the * wildcard can be overridden by a parameter passed
+! to initscr()
+!
+the*normalFont: 9x15
+the*lines:      40
+the*cols:       86
+the*pointer:    xterm
+the*pointerForeColor: white
+the*pointerBackColor: black
+!
+! resources with the . format can not be overridden by a parameter passed
+! to Xinitscr()
+!
+the.bitmap:     /home/mark/the/the64.xbm
+the.pixmap:     /home/mark/the/the64.xpm
+
+Resources may also be passed as parameters to the Xinitscr() function. 
+Parameters are strings in the form of switches; e.g., to set the color 
+"red" to "indianred", and the number of lines to 30, the string passed 
+to Xinitscr would be: "-colorRed indianred -lines 30"
+
+
+Compose Keys for Latin-1
+------------------------
+
+When built without XIM support, PDCurses for X11 provides its own, 
+limited compose key system for Latin-1 characters. The available 
+combinations are listed here. For a given character, any of the 
+combinations shown in the last column may be used. To generate a 
+character, press the "compose" key followed by one of the pairs of 
+keystrokes. Where no key is evident, the spacebar is used.  Thus, to 
+generate the NO-BREAK SPACE, press the "compose" key followed by two 
+hits of the spacebar.
+
+With a typical modern X server, you can get many more compose key 
+combinations by using XIM instead. Configure PDCurses with --enable-xim 
+to use XIM support.
+
+This document is encoded in UTF-8.
+
++----+-----+---+---------------------------------+---------------------------+
+|Hex | Dec |Chr| Description ISO 10646-1:1993(E) | Compose key combinations  |
++----+-----+---+---------------------------------+---------------------------+
+| A0 | 160 |   | NO-BREAK SPACE			 |			     |
+| A1 | 161 | ¡ | INVERTED EXCLAMATION MARK	 | !   !!		     |
+| A2 | 162 | ¢ | CENT SIGN			 | c|  |c  c/  c$  C$  C|    |
+| A3 | 163 | £ | POUND SIGN			 | L-  L$  L=  l-  l$  l=  |-|
+| A4 | 164 | ¤ | CURRENCY SIGN			 | xo  ox  XO  g$	     |
+| A5 | 165 | ¥ | YEN SIGN			 | =y  y=  =Y  Y=  Y-  y$  y-|
+| A6 | 166 | ¦ | BROKEN BAR			 | |   ||  vb  VB  |^	     |
+| A7 | 167 | § | SECTION SIGN			 | SO  SS  s!  S!  so	     |
+| A8 | 168 | ¨ | DIAERESIS			 | "   ""		     |
+| A9 | 169 | © | COPYRIGHT SIGN			 | CO  co  OC		     |
+| AA | 170 | ª | FEMININE ORDINAL INDICATOR	 | sa  SA  a_  A_	     |
+| AB | 171 | « | LEFT DOUBLE ANGLE QUOTES	 | <<			     |
+| AC | 172 | ¬ | NOT SIGN			 | -,  no  NO		     |
+| AD | 173 |  | SOFT HYPHEN			 | -   --		     |
+| AE | 174 | ® | REGISTERED SIGN		 | RO  ro  OR		     |
+| AF | 175 | ¯ | MACRON				 | -^  _^  __		     |
+| B0 | 176 | ° | DEGREE SIGN			 | o   0^  0*  de  DE  ^0    |
+| B1 | 177 | ± | PLUS-MINUS SIGN		 | -+  +-		     |
+| B2 | 178 | ² | SUPERSCRIPT TWO		 | 2   2^  s2  ^2	     |
+| B3 | 179 | ³ | SUPERSCRIPT THREE		 | 3   3^  s3  ^3	     |
+| B4 | 180 | ´ | ACUTE ACCENT			 | '   ''		     |
+| B5 | 181 | µ | MICRO SIGN			 | u   /u  /U  *m  *M	     |
+| B6 | 182 | ¶ | PILCROW SIGN			 | p!  P!  pg  PG	     |
+| B7 | 183 | · | MIDDLE DOT			 | .   .^  ..		     |
+| B8 | 184 | ¸ | CEDILLA			 | ,   ,,		     |
+| B9 | 185 | ¹ | SUPERSCRIPT ONE		 | 1   1^  s1  ^1	     |
+| BA | 186 | º | MASCULINE ORDINAL INDICATOR	 | o_  s0  S0		     |
+| BB | 187 | » | RIGHT DOUBLE ANGLE QUOTES	 | >>			     |
+| BC | 188 | ¼ | VULGAR FRACTION ONE QUARTER	 | 14			     |
+| BD | 189 | ½ | VULGAR FRACTION ONE HALF	 | 12			     |
+| BE | 190 | ¾ | VULGAR FRACTION THREE QUARTERS  | 34			     |
+| BF | 191 | ¿ | INVERTED QUESTION MARK		 | ?   ??		     |
+| C0 | 192 | À | CAPITAL A WITH GRAVE ACCENT	 | `A  A`		     |
+| C1 | 193 | Á | CAPITAL A WITH ACUTE ACCENT	 | 'A  A'		     |
+| C2 | 194 | Â | CAPITAL A WITH CIRCUMFLEX ACCENT| ^A  A^  A>		     |
+| C3 | 195 | Ã | CAPITAL A WITH TILDE		 | ~A  A~  A-		     |
+| C4 | 196 | Ä | CAPITAL A WITH DIAERESIS	 | "A  A"		     |
+| C5 | 197 | Å | CAPITAL A WITH RING ABOVE	 | oA  Ao  A*  OA  *A	     |
+| C6 | 198 | Æ | CAPITAL LIGATURE AE		 | AE			     |
+| C7 | 199 | Ç | CAPITAL C WITH CEDILLA		 | ,C  C,		     |
+| C8 | 200 | È | CAPITAL E WITH GRAVE ACCENT	 | `E  E`		     |
+| C9 | 201 | É | CAPITAL E WITH ACUTE ACCENT	 | 'E  E'		     |
+| CA | 202 | Ê | CAPITAL E WITH CIRCUMFLEX ACCENT| ^E  E^  E>		     |
+| CB | 203 | Ë | CAPITAL E WITH DIAERESIS	 | "E  E"		     |
+| CC | 204 | Ì | CAPITAL I WITH GRAVE ACCENT	 | `I  I`		     |
+| CD | 205 | Í | CAPITAL I WITH ACUTE ACCENT	 | 'I  I'		     |
+| CE | 206 | Î | CAPITAL I WITH CIRCUMFLEX ACCENT| ^I  I^  I>		     |
+| CF | 207 | Ï | CAPITAL I WITH DIAERESIS	 | "I  I"		     |
+| D0 | 208 | Ð | CAPITAL ETH			 | D-			     |
+| D1 | 209 | Ñ | CAPITAL N WITH TILDE		 | ~N  N~  N-		     |
+| D2 | 210 | Ò | CAPITAL O WITH GRAVE ACCENT	 | `O  O`		     |
+| D3 | 211 | Ó | CAPITAL O WITH ACUTE ACCENT	 | 'O  O'		     |
+| D4 | 212 | Ô | CAPITAL O WITH CIRCUMFLEX ACCENT| ^O  O^  O>		     |
+| D5 | 213 | Õ | CAPITAL O WITH TILDE		 | ~O  O~  O-		     |
+| D6 | 214 | Ö | CAPITAL O WITH DIAERESIS	 | "O  O"		     |
+| D7 | 215 | × | MULTIPLICATION SIGN		 | x   xx  XX  mu  MU	     |
+| D8 | 216 | Ø | CAPITAL O WITH STROKE		 | /O  O/		     |
+| D9 | 217 | Ù | CAPITAL U WITH GRAVE ACCENT	 | `U  U`		     |
+| DA | 218 | Ú | CAPITAL U WITH ACUTE ACCENT	 | 'U  U'		     |
+| DB | 219 | Û | CAPITAL U WITH CIRCUMFLEX ACCENT| ^U  U^  U>		     |
+| DC | 220 | Ü | CAPITAL U WITH DIAERESIS	 | "U  U"		     |
+| DD | 221 | Ý | CAPITAL Y WITH ACUTE ACCENT	 | 'Y  Y'		     |
+| DE | 222 | Þ | CAPITAL THORN			 | P   TH  |P		     |
+| DF | 223 | ß | SMALL SHARP S			 | ss			     |
+| E0 | 224 | à | SMALL A WITH GRAVE ACCENT	 | `a  a`		     |
+| E1 | 225 | á | SMALL A WITH ACUTE ACCENT	 | 'a  a'		     |
+| E2 | 226 | â | SMALL A WITH CIRCUMFLEX ACCENT  | ^a  a^  a>		     |
+| E3 | 227 | ã | SMALL A WITH TILDE		 | ~a  a~  a-		     |
+| E4 | 228 | ä | SMALL A WITH DIAERESIS		 | "a  a"		     |
+| E5 | 229 | å | SMALL A WITH RING ABOVE	 | oa  ao  Oa  a*  *a	     |
+| E6 | 230 | æ | SMALL LIGATURE AE		 | ae			     |
+| E7 | 231 | ç | SMALL C WITH CEDILLA		 | ,c  c,		     |
+| E8 | 232 | è | SMALL E WITH GRAVE ACCENT	 | `e  e`		     |
+| E9 | 233 | é | SMALL E WITH ACUTE ACCENT	 | 'e  e'		     |
+| EA | 234 | ê | SMALL E WITH CIRCUMFLEX ACCENT  | ^e  e^  e>		     |
+| EB | 235 | ë | SMALL E WITH DIAERESIS		 | "e  e"		     |
+| EC | 236 | ì | SMALL I WITH GRAVE ACCENT	 | `i  i`		     |
+| ED | 237 | í | SMALL I WITH ACUTE ACCENT	 | 'i  i'		     |
+| EE | 238 | î | SMALL I WITH CIRCUMFLEX ACCENT  | ^i  i^  i>		     |
+| EF | 239 | ï | SMALL I WITH DIAERESIS		 | "i  i"		     |
+| F0 | 240 | ð | SMALL ETH			 | d-			     |
+| F1 | 241 | ñ | SMALL N WITH TILDE		 | ~n  n~  n-		     |
+| F2 | 242 | ò | SMALL O WITH GRAVE ACCENT	 | `o  o`		     |
+| F3 | 243 | ó | SMALL O WITH ACUTE ACCENT	 | 'o  o'		     |
+| F4 | 244 | ô | SMALL O WITH CIRCUMFLEX ACCENT  | ^o  o^  o>		     |
+| F5 | 245 | õ | SMALL O WITH TILDE		 | ~o  o~  o-		     |
+| F6 | 246 | ö | SMALL O WITH DIAERESIS		 | "o  o"		     |
+| F7 | 247 | ÷ | DIVISION SIGN			 | -:  :-		     |
+| F8 | 248 | ø | SMALL O WITH OBLIQUE BAR	 | /o  o/		     |
+| F9 | 249 | ù | SMALL U WITH GRAVE ACCENT	 | `u  u`		     |
+| FA | 250 | ú | SMALL U WITH ACUTE ACCENT	 | 'u  u'		     |
+| FB | 251 | û | SMALL U WITH CIRCUMFLEX ACCENT  | ^u  u^  u>		     |
+| FC | 252 | ü | SMALL U WITH DIAERESIS		 | "u  u"		     |
+| FD | 253 | ý | SMALL Y WITH ACUTE ACCENT	 | 'y  y'		     |
+| FE | 254 | þ | SMALL THORN			 | p   th  |p		     |
+| FF | 255 | ÿ | SMALL Y WITH DIAERESIS		 | "y  y"		     |
++----+-----+---+---------------------------------+---------------------------+
+
+
+Deprecated
+----------
+
+XCursesProgramName is no longer used. To set the program name, you must 
+use Xinitscr(), or PDC_set_title() to set just the window title.
+
+The XCursesExit() function is now called automatically via atexit(). 
+(Multiple calls to it are OK, so you don't need to remove it if you've 
+already added it for previous versions of PDCurses.)
+
+XCURSES is no longer defined automatically, but need not be defined, 
+unless you want the X11-specific prototypes. (Normal curses programs 
+won't need it.)