docs: Normalize quoting for git commands

Author: jpgrayson

src/argset.rs

@@ -40,9 +40,9 @@ pub(crate) fn diff_opts_arg() -> Arg {
         .long("diff-opt")
         .alias("diff-opts")
         .short('O')
-        .help("Pass additional <option> to \"git diff\"")
+        .help("Pass additional <option> to `git diff`")
         .long_help(
-            "Pass additional <option> to \"git diff\".\n\
+            "Pass additional <option> to `git diff`.\n\
              \n\
              See the git-diff(1) man page. This option may be specified multiple \
              times.",

src/cmd/email/format.rs

@@ -71,9 +71,9 @@ pub(super) fn command() -> clap::Command {
             Arg::new("git-format-patch-opt")
                 .long("git-opt")
                 .short('G')
-                .help("Pass additional <option> to \"git format-patch\"")
+                .help("Pass additional <option> to `git format-patch`")
                 .long_help(
-                    "Pass additional <option> to \"git format-patch\".\n\
+                    "Pass additional <option> to `git format-patch`.\n\
                      \n\
                      See the git-format-patch(1) man page. This option may be \
                      specified multiple times.",

src/cmd/email/send.rs

@@ -78,9 +78,9 @@ pub(super) fn command() -> clap::Command {
             Arg::new("git-send-email-opt")
                 .long("git-opt")
                 .short('G')
-                .help("Pass additional <option> to \"git send-email\"")
+                .help("Pass additional <option> to `git send-email`")
                 .long_help(
-                    "Pass additional <option> to \"git send-email\".\n\
+                    "Pass additional <option> to `git send-email`.\n\
                      \n\
                      See the git-send-email(1) man page. This option may be specified \
                      multiple times.",
@@ -111,7 +111,7 @@ fn compose_options() -> Vec<Arg> {
                  If neither the command-line option nor sendemail.from are set, then \
                  the user will be prompted for the value. The default for the prompt \
                  will be the value of GIT_AUTHOR_IDENT, or GIT_COMMITTER_IDENT if that \
-                 is not set, as returned by \"git var -l\".",
+                 is not set, as returned by `git var -l`.",
             )
             .value_name("address")
             .num_args(1)