Commit 8f02375

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Serial Plotter: Don't try to parse line containing only trimmable characters

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Original file line number	Diff line number	Diff line change
`@@ -289,6 +289,10 @@ public void message(final String s) {`
`289`	`289`	`messageBuffer.delete(0, linebreak + 1);`
`290`	`290`
`291`	`291`	`line = line.trim();`
	`292`	`+ if (line.length() == 0) {`
	`293`	`+ // the line only contained trimmable characters`
	`294`	`+ continue;`
	`295`	`+ }`
`292`	`296`	`String[] parts = line.split("[, \t]+");`
`293`	`297`	`if(parts.length == 0) {`
`294`	`298`	`continue;`

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