Explain 'crystal tool expand' in crystal(1) man page

crystal-lang · Jun 30, 2017 · cb0ee67 · cb0ee67
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diff --git a/man/crystal.1 b/man/crystal.1
@@ -207,6 +207,8 @@ Tools:
 .Bl -tag -offset indent
 .It Cm context
 Show context for given location.
+.It Cm expand
+Show macro expansion for given location.
 .It Cm format
 Format project, directories and/or files with the coding style used in the standard library. You can use the
 .Fl -check