Ok, here's the browse-url stuff to pass a URL to Microsoft Internet Explorer for NT 4.0, which I assembled from various sourced on ntemacs: (require 'browse-url) (defvar msie-client "C:\\bin\\url.exe") (defun browse-url-msie (url &optional new-window) "Invoke the msie-client program to call ShellExecute and launch or re-direct a web browser on the specified url." (interactive "sURL: ") (call-process msie-client nil 0 nil url) ) (fset 'browse-url 'browse-url-msie) url.c: #include #include #include int __cdecl main(int argc, char **argv) { if (argc == 2) { ShellExecute(0, 0, argv[1], 0, 0, SW_NORMAL); } else { fputs("Please call with a single argument (a URL)\n", stderr); exit(2); } return 0; } and the uuencoded url.exe: begin 644 url.exe M35J0``,````$````__\``+@`````````0``````````````````````````` M````````````````````@`````X?N@X`M`G-(;@!3,TA5&AI%P'0" M_]"#[P0Y/6AJ0`!V[6@<4$``:!100`#H.P```(/$"&@D4$``:"!00`#H*0`` M`(/$"(7;=1''!:100``!````5O\5S'!``%]>6\/,S,S,S,S,S,S,S,S,5E>+ M?"00BW0D##O^=@^+!H7`=`+_T(/&!#O^=_%?7L-3N?____^+7"0(5E$(`\J)#6Q0 M0`#HQ!$``,=%_`````#H2`,``.BC$0``_Q78<$``HU1:0`#H,PT``*,L4T`` MA+1>R+`(L`B47DBT7L M4(M%Y%#HV@<``(/$",.+9>B+1>10Z,K\__^#Q`3'1?S_____BT7P7V2C```` M`%Y;B^5=PX,].%-```)T!>@"$@``BT0D!%#H.!(``(/$!&C_````_Q4T4T`` M@\0$P\S,S,S,S%97BW0D#(M&$%#H@10``(/$!(7`=04SP%]>PX'^R%!``'4$ M,\#K#8'^Z%!``'5>N`$```#_!2A30`#W1@P,`0``=`4SP%]>PXT\A4!30`"# M/P!U&&@`$```Z+(3``"#Q`2)!X7`=04SP%]>PXL'B48(7XD&N``0``")1AB) M1@2X`0```(%.#`(1``!>PS/`7U[#S,S,S,S,S,S,S,S,S,R#?"0$`%:+="0, M="SV1@T0=#56Z,@$``"!9@S_[O__QT88`````(/$!,<&`````,=&"`````!> MP_9!T"5;HG`0``(/$!%[#S,S,S,S,S(M$)`2#[`R)1"0$4XM$)!Q6#Z]$ M)!R)1"0(5U6%P(OH=0HSP%U?7EN#Q`S#BUPD+/=##`P!``!T"8M#&(E$)!CK M",=$)!@`$```@WPD$``/A-\```"+2PR!X0@!``!T-8M#!(7`="X[Z(O5<@*+ MT(O*B\+!Z0*+.XMT)!0KZO.EB\B#X0/SI"E#!`$3`50D%.F7````.6PD&'=C MAA,%```@\0,@_C_='@KZ`%$)!0[QG-&BT0D$"O2@TL,("O%]W0D M)%U?7EN#Q`S#BT0D%%,/O@A1Z,02``"#Q`B#^/]T6$V+0QC_1"04B40D&(7` M?PC'1"08`0```(7M#X4A____BT0D*%U?7EN#Q`S#BT0D$"O2*\7W="0D75]> M6X/$#,.+1"00*]*#2PP@*\7W="0D75]>6X/$#,.+1"00*](KQ?=T)"1=7UY; 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