send-email: simplify Gmail example in the documentation

diff --git a/git-rebase--interactive.sh b/git-rebase--interactive.sh
index 1c6dfb6d5618f43eaac1c279332d33e6a913c2d9..9d2bfb7a16afc10c1a52fe80e718d6199df0e331 100644 (file)
--- a/git-rebase--interactive.sh
+++ b/git-rebase--interactive.sh
@@ -867,12 +867,12 @@ add_exec_commands () {
 # $3: the input filename
 check_commit_sha () {
        badsha=0
-       if test -z $1
+       if test -z "$1"
        then
                badsha=1
        else
                sha1_verif="$(git rev-parse --verify --quiet $1^{commit})"
-               if test -z $sha1_verif
+               if test -z "$sha1_verif"
                then
                        badsha=1
                fi