diff --git a/HISTORY.md b/HISTORY.md
index 73fb0ed2..b3c9706e 100755
--- a/HISTORY.md
+++ b/HISTORY.md
@@ -7,6 +7,9 @@
     * new "add comment" option in the block context menu, thanks, Rob Fidler!
     * new "48 kHz" option in the "sampling rate" dropdown 
 
+### 2020-09-28
+* tweaked "frequency distribution analysis" library to plot lines in any color or style
+ 
 ### 2020-09-25
 * new dev version
 * updated "frequency distribution analysis" library: New "lines" option for plotting
diff --git a/libraries/frequency_distribution_module.xml b/libraries/frequency_distribution_module.xml
index e3dc44f7..544e4424 100644
--- a/libraries/frequency_distribution_module.xml
+++ b/libraries/frequency_distribution_module.xml
@@ -1 +1 @@
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\ No newline at end of file
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Used for histograms</comment><header></header><code></code><translations>pt:os itens de _ com a chave _ entre _ e _ com passo _ completados por _&#xD;</translations><inputs><input type="%l"></input><input type="%repRing"></input><input type="%n"></input><input type="%n"></input><input type="%repRing"></input><input type="%repRing"></input></inputs><script><block s="doIf"><block s="reportGreaterThan"><block var="floor"/><block var="ceiling"/></block><script><block s="doReport"><block s="reportNewList"><list></list></block></block></script></block><block s="doIf"><block s="reportEquals"><block var="data"/><block s="reportNewList"><list></list></block></block><script><block s="doReport"><block s="reportCONS"><block s="evaluate"><block var="generator"/><list><block var="floor"/></list></block><custom-block s="fill %l key: %repRing from: %n to: %n interval: %repRing with: %repRing"><block var="data"/><block var="key"/><block s="evaluate"><block var="interval"/><list><block var="floor"/></list></block><block var="ceiling"/><block var="interval"/><block var="generator"/></custom-block></block></block></script></block><block s="doIf"><block s="reportLessThan"><block s="evaluate"><block var="key"/><list><block s="reportListItem"><l>1</l><block var="data"/></block></list></block><block var="floor"/></block><script><block s="doReport"><custom-block s="fill %l key: %repRing from: %n to: %n interval: %repRing with: %repRing"><block s="reportCDR"><block var="data"/></block><block var="key"/><block var="floor"/><block var="ceiling"/><block var="interval"/><block var="generator"/></custom-block></block></script></block><block s="doIf"><block s="reportEquals"><block s="evaluate"><block var="key"/><list><block s="reportListItem"><l>1</l><block var="data"/></block></list></block><block var="floor"/></block><script><block s="doReport"><block s="reportCONS"><block s="reportListItem"><l>1</l><block var="data"/></block><custom-block s="fill %l key: %repRing from: %n to: %n interval: %repRing with: %repRing"><block s="reportCDR"><block var="data"/></block><block var="key"/><block s="evaluate"><block var="interval"/><list><block var="floor"/></list></block><block var="ceiling"/><block var="interval"/><block var="generator"/></custom-block></block></block></script></block><block s="doReport"><block s="reportCONS"><block s="evaluate"><block var="generator"/><list><block var="floor"/></list></block><custom-block s="fill %l key: %repRing from: %n to: %n interval: %repRing with: %repRing"><block var="data"/><block var="key"/><block s="evaluate"><block var="interval"/><list><block var="floor"/></list></block><block var="ceiling"/><block var="interval"/><block var="generator"/></custom-block></block></block></script></block-definition><block-definition s="pipe %&apos;value&apos; $arrowRight %&apos;pipe&apos;" type="reporter" category="control"><header></header><code></code><translations>pt:a aplicação a _ de _&#xD;</translations><inputs><input type="%s"></input><input type="%mult%repRing"></input></inputs><script><block s="doIf"><block s="reportListIsEmpty"><block var="pipe"/></block><script><block s="doReport"><block var="value"/></block></script></block><block s="doReport"><custom-block s="pipe %s $arrowRight %mult%repRing"><block s="evaluate"><block s="reportListItem"><l>1</l><block var="pipe"/></block><list><block var="value"/></list></block><block s="reportCDR"><block var="pipe"/></block></custom-block></block></script></block-definition><block-definition s="%&apos;text&apos; $arrowRight lower case" type="reporter" category="operators"><header></header><code></code><translations>pt:_ em minúsculas&#xD;</translations><inputs><input type="%s"></input></inputs><script><block s="doReport"><block s="evaluate"><block s="reportJSFunction"><list><l>txt</l></list><l>return txt.toLowerCase()</l></block><list><block var="text"/></list></block></block></script></block-definition><block-definition s="plot %&apos;data&apos; %&apos;style&apos; at x: %&apos;left&apos; y: %&apos;bottom&apos; width: %&apos;width&apos; height: %&apos;height&apos;" type="command" category="pen"><header></header><code></code><translations>pt:desenha gráfico de barras de _ em (x: _ , y: _ ) com largura _ e altura _&#xD;</translations><inputs><input type="%l"></input><input type="%s" readonly="true">bars<options>bars&#xD;lines</options></input><input type="%n">-200</input><input type="%n">-100</input><input type="%n">400</input><input type="%n">200</input></inputs><script><block s="doDeclareVariables"><list><l>ratio</l><l>step</l><l>flat line ends</l><l>col</l><l>sorted</l><l>min</l></list></block><block s="doSetVar"><l>sorted</l><custom-block s="$flash sort %l by %predRing"><block var="data"/><block s="reifyPredicate"><autolambda><block s="reportGreaterThan"><l></l><l></l></block></autolambda><list></list></block></custom-block></block><block s="doIfElse"><block s="reportLessThan"><block s="reportListItem"><l><option>last</option></l><block var="sorted"/></block><l>0</l></block><script><block s="doSetVar"><l>min</l><block s="reportListItem"><l><option>last</option></l><block var="sorted"/></block></block></script><script><block s="doSetVar"><l>min</l><l>0</l></block></script></block><block s="doSetVar"><l>ratio</l><block s="reportQuotient"><block var="height"/><block s="reportDifference"><block s="reportListItem"><l>1</l><block var="sorted"/></block><block var="min"/></block></block></block><block s="doSetVar"><l>step</l><block s="reportQuotient"><block var="width"/><block s="reportListLength"><block var="data"/></block></block></block><block s="doIfElse"><block s="reportGreaterThan"><block var="step"/><l>2</l></block><script><block s="doSetVar"><l>col</l><block s="reportDifference"><block var="step"/><l>1</l></block></block></script><script><block s="doSetVar"><l>col</l><block s="reportProduct"><block var="step"/><l>0.8</l></block></block></script></block><block s="gotoXY"><block var="left"/><block var="bottom"/></block><block s="doIfElse"><block s="reportEquals"><block var="style"/><l>lines</l></block><script><block s="changeXPosition"><block s="reportQuotient"><block var="step"/><l>-2</l></block></block><block s="doWarp"><script><block s="doUntil"><block s="reportEquals"><block s="reportListLength"><block var="data"/></block><l>0</l></block><script><block s="gotoXY"><block s="reportSum"><block s="xPosition"></block><block var="step"/></block><block s="reportSum"><block var="bottom"/><block s="reportProduct"><block s="reportDifference"><block s="reportListItem"><l>1</l><block var="data"/></block><block var="min"/></block><block var="ratio"/></block></block></block><block s="down"></block><block s="doSetVar"><l>data</l><block s="reportCDR"><block var="data"/></block></block></script></block></script></block></script><script><block s="doSetVar"><l>flat line ends</l><block s="reportGlobalFlag"><l><option>flat line ends</option></l></block></block><block s="doSetGlobalFlag"><l><option>flat line ends</option></l><l><bool>true</bool></l></block><block s="setSize"><l>0.5</l></block><block s="down"></block><block s="changeXPosition"><block s="reportQuotient"><block var="step"/><l>2</l></block></block><block s="doWarp"><script><block s="doUntil"><block s="reportEquals"><block s="reportListLength"><block var="data"/></block><l>0</l></block><script><block s="setSize"><block var="col"/></block><block s="changeYPosition"><block s="reportProduct"><block s="reportDifference"><block s="reportListItem"><l>1</l><block var="data"/></block><block var="min"/></block><block var="ratio"/></block></block><block s="setYPosition"><block var="bottom"/></block><block s="setSize"><l>0.5</l></block><block s="doSetVar"><l>data</l><block s="reportCDR"><block var="data"/></block></block><block s="doIfElse"><block s="reportGreaterThan"><block s="reportListLength"><block var="data"/></block><l>0</l></block><script><block s="changeXPosition"><block var="step"/></block></script><script><block s="changeXPosition"><block s="reportQuotient"><block var="step"/><l>2</l></block></block></script></block></script></block></script></block><block s="doSetGlobalFlag"><l><option>flat line ends</option></l><block var="flat line ends"/></block></script></block><block s="up"></block></script></block-definition></blocks>
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