add white space to indicate 0x00

Author: zwpaper

book/10-git-internals/sections/transfer-protocols.asc

@@ -144,7 +144,7 @@ It tries to run a command on the remote server via an SSH call that looks someth
 [source,console]
 ----
 $ ssh -x git@server "git-receive-pack 'simplegit-progit.git'"
-00a5ca82a6dff817ec66f4437202690a93763949 refs/heads/masterreport-status \
+00a5ca82a6dff817ec66f4437202690a93763949 refs/heads/master□report-status \
 	delete-refs side-band-64k quiet ofs-delta \
 	agent=git/2:2.1.1+github-607-gfba4028 delete-refs
 0000
@@ -193,8 +193,8 @@ The connection is initiated with this request:
 ----
 => GET http://server/simplegit-progit.git/info/refs?service=git-receive-pack
 001f# service=git-receive-pack
-000000ab6c5f0e45abd7832bf23074a333f739977c9e8188 refs/heads/master \
-	report-status delete-refs side-band-64k quiet ofs-delta \
+00ab6c5f0e45abd7832bf23074a333f739977c9e8188 refs/heads/master□report-status \
+	delete-refs side-band-64k quiet ofs-delta \
 	agent=git/2:2.1.1~vmg-bitmaps-bugaloo-608-g116744e
 0000
 ----
@@ -229,7 +229,7 @@ After `fetch-pack` connects, `upload-pack` sends back something like this:
 
 [source]
 ----
-00dfca82a6dff817ec66f44342007202690a93763949 HEADmulti_ack thin-pack \
+00dfca82a6dff817ec66f44342007202690a93763949 HEAD□multi_ack thin-pack \
 	side-band side-band-64k ofs-delta shallow no-progress include-tag \
 	multi_ack_detailed symref=HEAD:refs/heads/master \
 	agent=git/2:2.1.1+github-607-gfba4028
@@ -261,7 +261,7 @@ The first is a `GET` to the same endpoint used in the dumb protocol:
 ----
 => GET $GIT_URL/info/refs?service=git-upload-pack
 001e# service=git-upload-pack
-000000e7ca82a6dff817ec66f44342007202690a93763949 HEADmulti_ack thin-pack \
+00e7ca82a6dff817ec66f44342007202690a93763949 HEAD□multi_ack thin-pack \
 	side-band side-band-64k ofs-delta shallow no-progress include-tag \
 	multi_ack_detailed no-done symref=HEAD:refs/heads/master \
 	agent=git/2:2.1.1+github-607-gfba4028