Fixing code based on review comments...

Cleaned up what vars are cacheable.
Added parens around "*foo++" where it clarified the operation to be "*(foo++)".
Added " at VARNAME" to operator matches where needed.
Escaped var->name in the var generation (user-supplied data).
Marked a bunch of TODOs as ENHs instead.
Transformed some C++ style comments to C style.
Removed the %0-9 macros code which was commented out.
Optimized some ctl action code so that multiple ifs are else ifs.
Implemented some error messages marked as ENH.
Make commented out acmp debugging a configure-time option.
Cleanup GEO debug log messages.
Added relative filename support for geo dbs.
Added help text to Sec* directives.

apache2/msc_lua.c

@@ -153,7 +153,7 @@ static apr_array_header_t *resolve_tfns(lua_State *L, int idx, modsec_rec *msr,
             *(msre_tfn_metadata **)apr_array_push(tfn_arr) = tfn;
         }
     } else {
-        // TODO Error
+        msr_log(msr, 1, "SecRuleScript: Transformation parameter must be a transformation name or array of transformation names.");
         return NULL;
     }
 
@@ -360,7 +360,7 @@ int lua_execute(msc_script *script, char *param, modsec_rec *msr, msre_rule *rul
         return -1;
     }
 
-    // Get the response from the script.
+    /* Get the response from the script. */
     *error_msg = (char *)lua_tostring(L, -1);
     if (*error_msg != NULL) {
         *error_msg = apr_pstrdup(msr->mp, *error_msg);