add word boundary to macros

fix #110

Author: randy3k

Julia.sublime-syntax

@@ -349,12 +349,12 @@ contexts:
         - include: main
 
   macros:
-    - match: '(@)({{base_macros}}|\.)'
+    - match: '(@)({{base_macros}}|\.)\b'
       scope: meta.function-call.macro.julia
       captures:
         1: punctuation.definition.macro.julia
         2: variable.macro.julia support.function.macro.julia
-    - match: '(@)({{symb_id}})'
+    - match: '(@)({{symb_id}})\b'
       scope: meta.function-call.macro.julia
       captures:
         1: punctuation.definition.macro.julia

syntax_test_julia.jl

@@ -506,6 +506,11 @@
 # ^ punctuation.definition.macro.julia
 #  ^^^ variable.macro.julia meta.generic-name.julia
 
+@timecustom
+#^^^^^^^^^^ -support.function.macro.julia
+@time
+#^^^^ support.function.macro.julia
+
 ##
 ## Quotes ====
 ##