livecode · peter-b · Mar 13, 2015 · Mar 12, 2015 · Mar 12, 2015 · Mar 12, 2015
diff --git a/docs/lcb/notes/14893.md b/docs/lcb/notes/14893.md
@@ -0,0 +1,17 @@
+# LiveCode Builder Language
+## Identifiers
+
+* Identifiers are now expected to match `[A-Z0-9_.]`.
+
+## Syntax
+
+* Syntax keywords are no longer permitted to match `[A-Z0-9_.]`.
+
+# LiveCode Builder Tools
+## lc-compile
+### Warnings
+
+* A new warning has been added for identifiers that may conflict with
+  syntax keywords.
+
+# [14893] Emit warnings for identifiers that may cause problems.
diff --git a/tests/lc-run/Makefile b/tests/lc-run/Makefile
@@ -24,4 +24,6 @@ check:
 	$(LC_COMPILE) --modulepath $(TEST_DIR) --modulepath $(MODULE_DIR) \
 	    lc-run-test.mlc --output $(TEST_DIR)/lc-run-test.lcm
 	$(LC_RUN) -l $(TEST_DIR)/lc-run-lib.lcm $(TEST_DIR)/lc-run-test.lcm
-	test "`$(LC_RUN) -l $(TEST_DIR)/lc-run-lib.lcm --list-handlers $(TEST_DIR)/lc-run-test.lcm`" = "main"
+	test "`$(LC_RUN) -l $(TEST_DIR)/lc-run-lib.lcm --list-handlers $(TEST_DIR)/lc-run-test.lcm`" = "Main"
+	$(LC_RUN) $(TEST_DIR)/lc-run-lib.lcm
+	test "`$(LC_RUN) --list-handlers $(TEST_DIR)/lc-run-lib.lcm`" = "main"
diff --git a/tests/lc-run/lc-run-lib.mlc b/tests/lc-run/lc-run-lib.mlc
@@ -1,6 +1,7 @@
 module com.livecode.lc_run_lib
 
-public handler lib_main()
+-- Intentional lower-case handler name
+public handler main()
 	-- Do nothing
 end handler
 

diff --git a/tests/lc-run/lc-run-test.mlc b/tests/lc-run/lc-run-test.mlc
@@ -2,8 +2,8 @@ module com.livecode.lc_run_test
 
 use com.livecode.lc_run_lib
 
-public handler main()
-	lib_main()
+public handler Main()
+	main()
 end handler
 
 end module
diff --git a/tests/lcb/stdlib/arithmetic.lcb b/tests/lcb/stdlib/arithmetic.lcb
@@ -18,12 +18,12 @@ along with LiveCode.  If not see <http://www.gnu.org/licenses/>.  */
 module com.livecode.arithmetic.tests
 
 public handler TestUnarySigns()
-	variable t
-	put 10 into t
-	test "unary−" when -t is -10
+	variable tNum
+	put 10 into tNum
+	test "unary−" when -tNum is -10
 
-	put -10 into t
-	test "unary+" when +t is -10
+	put -10 into tNum
+	test "unary+" when +tNum is -10
 end handler
 
 public handler TestAdd()
@@ -176,11 +176,11 @@ public handler TestFormatString()
 	test diagnostic "TODO -1 formatted as string (bug 14594)"
 	broken test "format as string (int)" when (-1) formatted as string is "-1" because "bug 14546"
 
-	variable t
-	put (-1.0) formatted as string into t
+	variable tNum
+	put (-1.0) formatted as string into tNum
 	test diagnostic "TODO test full string, not just prefix"
-	test diagnostic t
-	test "format as string (real)" when t begins with "-1."
+	test diagnostic tNum
+	test "format as string (real)" when tNum begins with "-1."
 end handler
 
 public handler TestParseString()
@@ -199,12 +199,12 @@ end handler
 public handler TestParseStringList()
 	test "parsed list" when ["-1", "+2.2"] parsed as list of number is [-1, 2.2]
 
-	variable t
+	variable tList
 	parse ["-1", "+2.2", "x"] as list of number
-	put the result into t
+	put the result into tList
 
-	test "parse list (defined)" when element 1 to 2 of t is [-1, 2.2]
-	test "parse list (undefined)" when element 3 of t is not defined
+	test "parse list (defined)" when element 1 to 2 of tList is [-1, 2.2]
+	test "parse list (undefined)" when element 3 of tList is not defined
 end handler
 
 end module
diff --git a/tests/lcb/stdlib/byte.lcb b/tests/lcb/stdlib/byte.lcb
@@ -35,25 +35,25 @@ handler TestByteWithCode_Overflow()
 	return the byte with code 256
 end handler
 public handler TestByteWithCode()
-	variable t
-	put the byte with code 0 into t
+	variable tString
+	put the byte with code 0 into tString
 
-	test "code->byte" when the number of bytes in t is 1
+	test "code->byte" when the number of bytes in tString is 1
 
 	MCUnitTestHandlerThrows(TestByteWithCode_Negative, "code->byte (negative)")
 	MCUnitTestHandlerThrows(TestByteWithCode_Overflow, "code->byte (overflow)")
 end handler
 
 handler TestCodeOfByte_Long()
-	variable t
-	put the byte with code 0 into t
-	put t after t
-	return the code of t
+	variable tString
+	put the byte with code 0 into tString
+	put tString after tString
+	return the code of tString
 end handler
 handler TestCodeOfByte_Empty()
-	variable t
-	put the empty data into t
-	return the code of t
+	variable tString
+	put the empty data into tString
+	return the code of tString
 end handler
 public handler TestCodeOfByte()
 	test "byte->code" when the code of (the byte with code 1) is 1