reproducible debian: use bold font in note to explain bold font

bin/reproducible_common.py

@@ -219,7 +219,7 @@ $links
 
 html_foot_page_style_note = Template((tab*2).join("""
 <p style="font-size:0.9em;">
-  A package name displayed with a bold font is an indication that this
+  A package name displayed with a <span style="font-weight: bold;">bold font</span> is an indication that this
   package has a note. Visited packages are linked in green, those which
   have not been visited are linked in blue.<br />
   A <code><span class="bug">&#35;</span></code> sign after the name of a

bin/reproducible_common.sh

@@ -353,7 +353,7 @@ write_page_footer() {
 }
 
 write_page_meta_sign() {
-	write_page "<p style=\"font-size:0.9em;\">A package name displayed with a bold font is an indication that this package has a note. Visited packages are linked in green, those which have not been visited are linked in blue.</br>"
+	write_page "<p style=\"font-size:0.9em;\">A package name displayed with a <span style=\"font-weight: bold;\">bold font</span> is an indication that this package has a note. Visited packages are linked in green, those which have not been visited are linked in blue.</br>"
 	write_page "A <code><span class=\"bug\">&#35;</span></code> sign after the name of a package indicates that a bug is filed against it. Likewise, a <code><span class=\"bug-patch\">&#43;</span></code> sign indicates there is a patch available, a <code><span class="bug-pending">P</span></code> means a pending bug while <code><span class=\"bug-done\">&#35;</span></code> indicates a closed bug. In cases of several bugs, the symbol is repeated.</p>"
 }