Add "{}" around many "expr" commands in testcases. Also in doc/expr.n

1 files changed, 3 insertions, 3 deletions

diff --git a/tests/clock.test b/tests/clock.test
index 6d502d4..db43a67 100644
--- a/tests/clock.test
+++ b/tests/clock.test
@@ -35440,7 +35440,7 @@ test clock-32.1 {scan/format across the Gregorian change} {
 
 # clock clicks
 test clock-33.1 {clock clicks tests} {
-    expr [clock clicks]+1
+    expr {[clock clicks] + 1}
     concat {}
 } {}
 test clock-33.2 {clock clicks tests} {
@@ -35453,7 +35453,7 @@ test clock-33.3 {clock clicks tests} {
     list [catch {clock clicks foo} msg] $msg
 } {1 {bad option "foo": must be -milliseconds or -microseconds}}
 test clock-33.4 {clock clicks tests} {
-    expr [clock clicks -milliseconds]+1
+    expr {[clock clicks -milliseconds] + 1}
     concat {}
 } {}
 test clock-33.4a {clock milliseconds} {
@@ -35909,7 +35909,7 @@ test clock-34.68 {clock scan tests (merid and TZ)} {
 
 # clock seconds
 test clock-35.1 {clock seconds tests} {
-    expr [clock seconds]+1
+    expr {[clock seconds] + 1}
     concat {}
 } {}
 test clock-35.2 {clock seconds tests} {