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Sparkline in unicode: Difference between revisions
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→{{header|REXX}}: added comment about Regina 3.6 -- ~~~~
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This version also removed some dead code, simplified the program structure and subroutines, added comments.
<br>''Single line comments'' were introduced in Regina 3.4.
<br>Regina 3.6 introducted the options: ''single_line_comments'' and ''noSingle_line_comments''.
<br>It should also be noted that the CMS and TSO versions of REXX (and others) don't support ''single line comments''.
<lang rexx>/*REXX program displays a sparkline (spark graph) for a group of values.*/
if arg()==0 then do /*No arguments? Use defaults.*/
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