delete vestigial test-native.c, improve md

fs/test-native.c

@@ -1,30 +0,0 @@
-#include <stdio.h>
-#include <string.h>
-#include <unistd.h>
-#include <stdlib.h>
-
-int main() {
-    FILE *log = fopen("log.txt", "w");
-    fprintf(log, "hello\n"); fflush(log);
-
-    for (;;) {
-        char *outMsg = "{\"text\":\"This is a response message\"}";
-        unsigned int outLen = strlen(outMsg);
-        char *bOutLen = (char *)&outLen;
-        write(1, bOutLen, 4); // 1 is stdout
-        write(1, outMsg, outLen);
-        fflush(stdout);
-        fprintf(log, "wrote msg\n"); fflush(log);
-
-        char bInLen[4];
-        read(0, bInLen, 4); // 0 is stdin
-        unsigned int inLen = *(unsigned int *)bInLen;
-        char *inMsg = (char *)malloc(inLen);
-        read(0, inMsg, inLen);
-        inMsg[inLen] = '\0';
-        fprintf(log, "msg: [%s]\n", inMsg); fflush(log);
-        free(inMsg);
- 
-    }
-    return 0;
-}

tabfs.md

@@ -15,6 +15,7 @@ body { font-family: Verdana, sans-serif; background: #eee; }
 h1 { font-family: Helvetica; }
 #TableOfContents > ul > li:first-child { display: none; }
 #TableOfContents a[rel=footnote] { display: none; }
+pre { white-space: pre-wrap; }
 </style>
 
 [TabFS](https://github.com/osnr/TabFS) is a browser extension that
@@ -271,6 +272,12 @@ extension is to create a gigantic new surface area of communication
 between stuff inside your browser and software on the rest of your
 computer.
 
+Before doing anything, clone [this repository](https://github.com/osnr/TabFS):
+
+```
+$ git clone https://github.com/osnr/TabFS.git
+```
+
 First, install the browser extension.
 
 Then, install the C filesystem.