Index: names.h
==================================================================
--- names.h
+++ names.h
@@ -142,6 +142,92 @@
  "FAROUT",
  "KEWEL",
  "WHACK",
  "STEAM",
  "HAWK",
+};
+static const char*const heromesh_key_names[256]={
+ [8]="BACK",
+ [9]="TAB",
+ [12]="CENTER",
+ [13]="ENTER",
+ [16]="SHIFT",
+ [17]="CTRL",
+ [19]="BREAK",
+ [20]="CAPSLOCK",
+ [32]="SPACE",
+ [33]="PGUP",
+ [34]="PGDN",
+ [35]="END",
+ [36]="HOME",
+ [37]="LEFT",
+ [38]="UP",
+ [39]="RIGHT",
+ [40]="DOWN",
+ [46]="DELETE",
+ [48]="0",
+ [49]="1",
+ [50]="2",
+ [51]="3",
+ [52]="4",
+ [53]="5",
+ [54]="6",
+ [55]="7",
+ [56]="8",
+ [57]="9",
+ [65]="A",
+ [66]="B",
+ [67]="C",
+ [68]="D",
+ [69]="E",
+ [70]="F",
+ [71]="G",
+ [72]="H",
+ [73]="I",
+ [74]="J",
+ [75]="K",
+ [76]="L",
+ [77]="M",
+ [78]="N",
+ [79]="O",
+ [80]="P",
+ [81]="Q",
+ [82]="R",
+ [83]="S",
+ [84]="T",
+ [85]="U",
+ [86]="V",
+ [87]="W",
+ [88]="X",
+ [89]="Y",
+ [90]="Z",
+ [96]="NUMPAD0",
+ [97]="NUMPAD1",
+ [98]="NUMPAD2",
+ [99]="NUMPAD3",
+ [100]="NUMPAD4",
+ [101]="NUMPAD5",
+ [102]="NUMPAD6",
+ [103]="NUMPAD7",
+ [104]="NUMPAD8",
+ [105]="NUMPAD9",
+ [106]="MULTIPLY",
+ [110]="DECIMAL",
+ [111]="DIVIDE",
+ [120]="F9",
+ [121]="F10",
+ [122]="F11",
+ [123]="F12",
+ [144]="NUMLOCK",
+ [145]="SCRLOCK",
+ [186]="SEMICOLON",
+ [187]="EQUALS",
+ [188]="COMMA",
+ [189]="MINUS",
+ [190]="PERIOD",
+ [191]="SLASH",
+ [192]="TILDE",
+ [219]="OBRACKET",
+ [220]="BACKSLASH",
+ [221]="CBRACKET",
+ [222]="QUOTE",
 };

Index: names.js
==================================================================
--- names.js
+++ names.js
@@ -77,14 +77,73 @@
  KEWEL
  WHACK
  STEAM
  HAWK
 `.replace(/[A-Za-z_0-9]+/g,x=>standard_sound_names.push(x));
+const heromesh_key_names=Object.create(null);
+`
+   8  BACK
+   9  TAB
+  12  CENTER
+  13  ENTER
+  16  SHIFT
+  17  CTRL
+  19  BREAK
+  20  CAPSLOCK
+  32  SPACE
+  33  PGUP
+  34  PGDN
+  35  END
+  36  HOME
+  37  LEFT
+  38  UP
+  39  RIGHT
+  40  DOWN
+  46  DELETE
+  96  NUMPAD0
+  97  NUMPAD1
+  98  NUMPAD2
+  99  NUMPAD3
+ 100  NUMPAD4
+ 101  NUMPAD5
+ 102  NUMPAD6
+ 103  NUMPAD7
+ 104  NUMPAD8
+ 105  NUMPAD9
+ 106  MULTIPLY
+ 110  DECIMAL
+ 111  DIVIDE
+ 120  F9
+ 121  F10
+ 122  F11
+ 123  F12
+ 144  NUMLOCK
+ 145  SCRLOCK
+ 186  SEMICOLON
+ 187  EQUALS
+ 188  COMMA
+ 189  MINUS
+ 190  PERIOD
+ 191  SLASH
+ 192  TILDE
+ 219  OBRACKET
+ 220  BACKSLASH
+ 221  CBRACKET
+ 222  QUOTE
+`.replace(/([0-9]+) +([A-Z][A-Z0-9_]*)/g,(x,y,z)=>{
+  heromesh_key_names[y]=z;
+});
+[..."ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789"].forEach(x=>{
+  heromesh_key_names[x.charCodeAt()]=x;
+});
 console.log("// Auto-generated! Do not modify directly!");
 standard_message_names.forEach(([a,b,c])=>console.log("#define MSG_"+c+" "+b));
 console.log("static const char*const standard_message_names[]={");
 standard_message_names.forEach(([a,b,c])=>console.log(" \""+c+"\","));
 console.log("};");
 standard_sound_names.forEach((x,y)=>console.log("#define SND_"+x+" "+y));
 console.log("static const char*const standard_sound_names[]={");
 standard_sound_names.forEach(x=>console.log(" \""+x+"\","));
 console.log("};");
+console.log("static const char*const heromesh_key_names[256]={");
+Object.keys(heromesh_key_names).forEach(x=>console.log(" ["+x+"]=\""+heromesh_key_names[x]+"\","));
+console.log("};");

Index: notes
==================================================================
--- notes
+++ notes
@@ -45,7 +45,8 @@
 Disadvantages of hybrid:
 * SQLite must be included in this program.
 * Level/solution files must still be rewritten entirely when it changes.
 
 Hero Mesh will rewrite the puzzle set file only on exit, so it is possible
-to do the similar thing in this case, by using the session database.
+to do the similar thing in this case, by using the session database. A way
+of incrementally storing and then "vacuuming" the file may also work.