thodg/libgit2

diff --git a/examples/cat-file.c b/examples/cat-file.c
index 1e5b5ea..2b54b53 100644
--- a/examples/cat-file.c
+++ b/examples/cat-file.c
@@ -31,12 +31,14 @@ static void print_signature(const char *header, const git_signature *sig)
 		   sign, hours, minutes);
 }
 
+/** Printint out a blob is simple, get the contents and print */
 static void show_blob(const git_blob *blob)
 {
 	/* ? Does this need crlf filtering? */
 	fwrite(git_blob_rawcontent(blob), git_blob_rawsize(blob), 1, stdout);
 }
 
+/** Show each entry with its type, id and attributes */
 static void show_tree(const git_tree *tree)
 {
 	size_t i, max_i = (int)git_tree_entrycount(tree);
@@ -55,6 +57,9 @@ static void show_tree(const git_tree *tree)
 	}
 }
 
+/**
+ * Commits and tags have a few interesting fields in their header.
+ */
 static void show_commit(const git_commit *commit)
 {
 	unsigned int i, max_i;
@@ -107,6 +112,7 @@ struct opts {
 static void parse_opts(struct opts *o, int argc, char *argv[]);
 
 
+/** Entry point for this command */
 int main(int argc, char *argv[])
 {
 	git_repository *repo;
@@ -182,6 +188,7 @@ int main(int argc, char *argv[])
 	return 0;
 }
 
+/** Print out usage information */
 static void usage(const char *message, const char *arg)
 {
 	if (message && arg)
@@ -194,6 +201,7 @@ static void usage(const char *message, const char *arg)
 	exit(1);
 }
 
+/** Parse the command-line options taken from git */
 static void parse_opts(struct opts *o, int argc, char *argv[])
 {
 	struct args_info args = ARGS_INFO_INIT;
diff --git a/examples/diff.c b/examples/diff.c
index 3813258..b141564 100644
--- a/examples/diff.c
+++ b/examples/diff.c
@@ -38,6 +38,7 @@ struct opts {
 	const char *dir;
 };
 
+/** These functions are implemented at the end */
 static void parse_opts(struct opts *o, int argc, char *argv[]);
 static int color_printer(
 	const git_diff_delta*, const git_diff_hunk*, const git_diff_line*, void*);
@@ -62,13 +63,13 @@ int main(int argc, char *argv[])
 	/**
 	 * Possible argument patterns:
 	 *
-	 *  * <sha1> <sha2>
-	 *  * <sha1> --cached
-	 *  * <sha1>
+	 *  * &lt;sha1&gt; &lt;sha2&gt;
+	 *  * &lt;sha1&gt; --cached
+	 *  * &lt;sha1&gt;
 	 *  * --cached
 	 *  * nothing
 	 *
-	 * Currently ranged arguments like <sha1>..<sha2> and <sha1>...<sha2>
+	 * Currently ranged arguments like &lt;sha1&gt;..&lt;sha2&gt; and &lt;sha1&gt;...&lt;sha2&gt;
 	 * are not supported in this example
 	 */
 
@@ -174,11 +175,11 @@ static int color_printer(
 	return diff_output(delta, hunk, line, stdout);
 }
 
+/** Parse arguments as copied from git-diff. */
 static void parse_opts(struct opts *o, int argc, char *argv[])
 {
 	struct args_info args = ARGS_INFO_INIT;
 
-	/* Parse arguments as copied from git-diff. */
 
 	for (args.pos = 1; args.pos < argc; ++args.pos) {
 		const char *a = argv[args.pos];
diff --git a/examples/network/fetch.c b/examples/network/fetch.c
index 4167ef3..77327d7 100644
--- a/examples/network/fetch.c
+++ b/examples/network/fetch.c
@@ -47,6 +47,11 @@ exit:
 	return &data->ret;
 }
 
+/**
+ * This function gets called for each remote-trackinb branch that gets
+ * updated. The message we output depends on whether it's a new one or
+ * an update.
+ */
 static int update_cb(const char *refname, const git_oid *a, const git_oid *b, void *data)
 {
 	char a_str[GIT_OID_HEXSZ+1], b_str[GIT_OID_HEXSZ+1];
@@ -66,6 +71,7 @@ static int update_cb(const char *refname, const git_oid *a, const git_oid *b, vo
 	return 0;
 }
 
+/** Entry point for this command */
 int fetch(git_repository *repo, int argc, char **argv)
 {
 	git_remote *remote = NULL;
@@ -130,6 +136,11 @@ int fetch(git_repository *repo, int argc, char **argv)
 	pthread_join(worker, NULL);
 #endif
 
+	/**
+	 * If there are local objects (we got a thin pack), then tell
+	 * the use how many objets we saved from having to cross the
+	 * network.
+	 */
 	if (stats->local_objects > 0) {
 		printf("\rReceived %d/%d objects in %zu bytes (used %d local objects)\n",
 		       stats->indexed_objects, stats->total_objects, stats->received_bytes, stats->local_objects);
diff --git a/examples/network/ls-remote.c b/examples/network/ls-remote.c
index b65759e..18cd023 100644
--- a/examples/network/ls-remote.c
+++ b/examples/network/ls-remote.c
@@ -4,6 +4,7 @@
 #include <string.h>
 #include "common.h"
 
+/** Callback to show each item */
 static int show_ref__cb(git_remote_head *head, void *payload)
 {
 	char oid[GIT_OID_HEXSZ + 1] = {0};
@@ -28,6 +29,10 @@ static int use_remote(git_repository *repo, char *name)
 			goto cleanup;
 	}
 
+	/**
+	 * Connect to the remote and call the printing function for
+	 * each of the remote references.
+	 */
 	callbacks.credentials = cred_acquire_cb;
 	git_remote_set_callbacks(remote, &callbacks);
 
@@ -42,9 +47,7 @@ cleanup:
 	return error;
 }
 
-// This gets called to do the work. The remote can be given either as
-// the name of a configured remote or an URL.
-
+/** Entry point for this command */
 int ls_remote(git_repository *repo, int argc, char **argv)
 {
 	int error;