-cvar_t pr_checkextension = {CVAR_READONLY, "pr_checkextension", "1"};
-cvar_t nomonsters = {0, "nomonsters", "0"};
-cvar_t gamecfg = {0, "gamecfg", "0"};
-cvar_t scratch1 = {0, "scratch1", "0"};
-cvar_t scratch2 = {0,"scratch2", "0"};
-cvar_t scratch3 = {0, "scratch3", "0"};
-cvar_t scratch4 = {0, "scratch4", "0"};
-cvar_t savedgamecfg = {CVAR_SAVE, "savedgamecfg", "0"};
-cvar_t saved1 = {CVAR_SAVE, "saved1", "0"};
-cvar_t saved2 = {CVAR_SAVE, "saved2", "0"};
-cvar_t saved3 = {CVAR_SAVE, "saved3", "0"};
-cvar_t saved4 = {CVAR_SAVE, "saved4", "0"};
-cvar_t decors = {0, "decors", "0"};
-cvar_t nehx00 = {0, "nehx00", "0"};cvar_t nehx01 = {0, "nehx01", "0"};
-cvar_t nehx02 = {0, "nehx02", "0"};cvar_t nehx03 = {0, "nehx03", "0"};
-cvar_t nehx04 = {0, "nehx04", "0"};cvar_t nehx05 = {0, "nehx05", "0"};
-cvar_t nehx06 = {0, "nehx06", "0"};cvar_t nehx07 = {0, "nehx07", "0"};
-cvar_t nehx08 = {0, "nehx08", "0"};cvar_t nehx09 = {0, "nehx09", "0"};
-cvar_t nehx10 = {0, "nehx10", "0"};cvar_t nehx11 = {0, "nehx11", "0"};
-cvar_t nehx12 = {0, "nehx12", "0"};cvar_t nehx13 = {0, "nehx13", "0"};
-cvar_t nehx14 = {0, "nehx14", "0"};cvar_t nehx15 = {0, "nehx15", "0"};
-cvar_t nehx16 = {0, "nehx16", "0"};cvar_t nehx17 = {0, "nehx17", "0"};
-cvar_t nehx18 = {0, "nehx18", "0"};cvar_t nehx19 = {0, "nehx19", "0"};
-cvar_t cutscene = {0, "cutscene", "1"};
+cvar_t pr_checkextension = {CVAR_READONLY, "pr_checkextension", "1", "indicates to QuakeC that the standard quakec extensions system is available (if 0, quakec should not attempt to use extensions)"};
+cvar_t nomonsters = {0, "nomonsters", "0", "unused cvar in quake, can be used by mods"};
+cvar_t gamecfg = {0, "gamecfg", "0", "unused cvar in quake, can be used by mods"};
+cvar_t scratch1 = {0, "scratch1", "0", "unused cvar in quake, can be used by mods"};
+cvar_t scratch2 = {0,"scratch2", "0", "unused cvar in quake, can be used by mods"};
+cvar_t scratch3 = {0, "scratch3", "0", "unused cvar in quake, can be used by mods"};
+cvar_t scratch4 = {0, "scratch4", "0", "unused cvar in quake, can be used by mods"};
+cvar_t savedgamecfg = {CVAR_SAVE, "savedgamecfg", "0", "unused cvar in quake that is saved to config.cfg on exit, can be used by mods"};
+cvar_t saved1 = {CVAR_SAVE, "saved1", "0", "unused cvar in quake that is saved to config.cfg on exit, can be used by mods"};
+cvar_t saved2 = {CVAR_SAVE, "saved2", "0", "unused cvar in quake that is saved to config.cfg on exit, can be used by mods"};
+cvar_t saved3 = {CVAR_SAVE, "saved3", "0", "unused cvar in quake that is saved to config.cfg on exit, can be used by mods"};
+cvar_t saved4 = {CVAR_SAVE, "saved4", "0", "unused cvar in quake that is saved to config.cfg on exit, can be used by mods"};
+cvar_t nehx00 = {0, "nehx00", "0", "nehahra data storage cvar (used in singleplayer)"};
+cvar_t nehx01 = {0, "nehx01", "0", "nehahra data storage cvar (used in singleplayer)"};
+cvar_t nehx02 = {0, "nehx02", "0", "nehahra data storage cvar (used in singleplayer)"};
+cvar_t nehx03 = {0, "nehx03", "0", "nehahra data storage cvar (used in singleplayer)"};
+cvar_t nehx04 = {0, "nehx04", "0", "nehahra data storage cvar (used in singleplayer)"};
+cvar_t nehx05 = {0, "nehx05", "0", "nehahra data storage cvar (used in singleplayer)"};
+cvar_t nehx06 = {0, "nehx06", "0", "nehahra data storage cvar (used in singleplayer)"};
+cvar_t nehx07 = {0, "nehx07", "0", "nehahra data storage cvar (used in singleplayer)"};
+cvar_t nehx08 = {0, "nehx08", "0", "nehahra data storage cvar (used in singleplayer)"};
+cvar_t nehx09 = {0, "nehx09", "0", "nehahra data storage cvar (used in singleplayer)"};
+cvar_t nehx10 = {0, "nehx10", "0", "nehahra data storage cvar (used in singleplayer)"};
+cvar_t nehx11 = {0, "nehx11", "0", "nehahra data storage cvar (used in singleplayer)"};
+cvar_t nehx12 = {0, "nehx12", "0", "nehahra data storage cvar (used in singleplayer)"};
+cvar_t nehx13 = {0, "nehx13", "0", "nehahra data storage cvar (used in singleplayer)"};
+cvar_t nehx14 = {0, "nehx14", "0", "nehahra data storage cvar (used in singleplayer)"};
+cvar_t nehx15 = {0, "nehx15", "0", "nehahra data storage cvar (used in singleplayer)"};
+cvar_t nehx16 = {0, "nehx16", "0", "nehahra data storage cvar (used in singleplayer)"};
+cvar_t nehx17 = {0, "nehx17", "0", "nehahra data storage cvar (used in singleplayer)"};
+cvar_t nehx18 = {0, "nehx18", "0", "nehahra data storage cvar (used in singleplayer)"};
+cvar_t nehx19 = {0, "nehx19", "0", "nehahra data storage cvar (used in singleplayer)"};
+cvar_t cutscene = {0, "cutscene", "1", "enables cutscenes in nehahra, can be used by other mods"};