version specific help menu links

Author: Gilgamesh Athoraya

src/cmds.js

@@ -19,10 +19,12 @@ D.cmds = [
   ['CBP','Clear stops for active object',[]],
   ['CNC','Connect',                 []],
   ['DK', 'Delete lines',            []],
+  ['DHI','Dyalog Help Index',       []],
   ['DMK','Toggle key display mode', []],
   ['DMN','Next line in demo',       []],
   ['DMP','Previous line in demo',   []],
   ['DMR','Load demo file',          []],
+  ['DOX','Documentation Centre',    []],
   ['DO', 'Uncomment lines',         []],
   ['ED', 'Edit',                    ['Shift-Enter']],
   ['EP', 'Exit (and save changes)', ['Escape']],

src/hlp.js

@@ -4,9 +4,13 @@
   // D.hlp[')vars'] -> 'http://help.dyalog.com/17.0/Content/Language/System%20Commands/vars.htm'
   function initHelp(version) {
     const v = version ? version.slice(0, 4) : '17.0';
-    const p = `https://help.dyalog.com/${v}/Content/`;
+    const v3 = v.replace(/\./,'');
+    const helpUri = `https://help.dyalog.com/${v}/`;
+    const p = `${helpUri}Content/`;
     const q = '.htm'; // prefix and suffix
     const h = {
+      DOX: `https://www.dyalog.com/documentation_${v3}${q}`,
+      INDEX: `${helpUri}index${q}`,
       WELCOME: `${p}MiscPages/HelpWelcome${q}`,
       UCMDS: `${p}UserGuide/The APL Environment/User Commands${q}`,
       LANGELEMENTS: `${p}Language/Introduction/Language Elements${q}`,

src/km.js

@@ -53,6 +53,12 @@
       });
       if (D.ide.dead) window.close();
     },
+    DHI() {
+      D.openExternal(D.hlp.INDEX);
+    },
+    DOX() {
+      D.openExternal(D.hlp.DOX);
+    },
     OWS() {
       if (D.el && D.ide.floating) {
         D.ipc.of.ride_master.emit('OWS');

src/prf.js

@@ -113,8 +113,8 @@ D.prf = {};
     + '\n  Weak Interrupt           =WI'
     + '\n  Strong Interrupt         =SI'
     + '\n&Help'
-    + '\n  Dyalog Help              =http://help.dyalog.com/'
-    + '\n  Documentation Centre     =http://dyalog.com/documentation.htm'
+    + '\n  Dyalog Help              =DHI'
+    + '\n  Documentation Centre     =DOX'
     + '\n  -'
     + '\n  Dyalog Website           =http://dyalog.com/'
     + '\n  MyDyalog                 =https://my.dyalog.com/'