note
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Your html still has some problems, but some are easily fixed by simply revising the quoting. Some may frown, and with reason, at this use of a '<i>heredoc</i>' but it "just works" for a one-off:
<c>#!/usr/bin/perl
use 5.012;
my $protein = "chuck steak";
my $heredoc = <<END
<table border="1" width="50%" bgcolor="#CCFFFF">
<tr><td><b> Peptide sequence frame 1</b></td></tr>\n
<tr><td>$protein </td> <td>also 'walnuts'</td></tr>
</table>
END
;
print $heredoc;</c>
<p>OUTPUT: </p>
<c><table border="1" width="50%" bgcolor="#CCFFFF">
<tr><td><b> Peptide sequence frame 1</b></td></tr>
<tr><td>chuck steak </td> <td>also 'walnuts'</td></tr>
</table></c>
<p>Note the newline at the end of line 09; your empty <c>tr></tr></c> will provoke complaints from some validators.</p>
<p>Better, however, to devote a couple hours to familiarizing yourself with CSS1 and 2. And <b>better yet</b> to follow the broad guidance provided by [blue_cowdawg] ( [id://999960|above] ) and to use such CSS constructs as "max-width: nn%" to assure that the wraps work (...err, semi-work.....) based on the user's current screen width.</p>
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