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UTF8 Non-breaking space in VF in 6.1

gzevin

It's a well known issue, and I think I was one of the first to having dealt with it - it's about Visual Format inserting a UTF-8 non-breaking space.

Usually we deal with it by either setting a HTML content settings to UTF-8 or by removing the symbol itself (and many other offending characters) by a set of preprocessing regexes.

what I have found that it looks like perl in 6.1 (which has been upgraded to 5.8) is not able to substitute this character - my proven funnctions that worked for a number of versions of TeamSite, no longer work.

The issue with my current client is that they produce PDFs out of HTML, and, while I fix the issue in HTML by correctly encoding it, PDF does not like it and all the A's have come up.

I have already started experimenting with encoding/etc, but if anyone has done anything like this in 6.1+, I will be glad to hear.

Greg Zevin, Ph.D. Comp. Sc.
Independent Interwoven Consultant/Architect
Sydney, AU

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Adam Stoller

The one place I had to deal with this - we used the following code to massage the content from textareas:use HTML::Entities;
...
# remove double-spacing by first converting control-chars into entities
# and then removing them
$text = encode_entities($text, "\200-\377");
$text =~ s|\Â\ ||sgmo;
$text =~ s|\Â\ | |sgmo;
$text =~ s|\ | |sgmo;
$text =~ s|\s*||sgmo;
$text =~ s|\ ||sgmo;
# verify syntax conformancy for urls
...($text is a scalar containing the complete contents of the textarea)

The above may contain more massaging than you need, but it served the purposes my customer needed at the time, one of which was to get rid of those non-blocking-spaces within VFE textareas (the perl code being called within the PTs). Hope it helps.

--fish
Senior Consultant, Quotient Inc.
http://www.quotient-inc.com

Johnny

You can try it this way...


   $text = __SOME_CONTENT__
   $specialChar = "\x{A2}";   $text =~ s/$specialChar/&cent;/sg;   # cent
   $specialChar = "\x{B7}";   $text =~ s/$specialChar/&middot;/sg; # middledot
   $specialChar = "\x{AB}";   $text =~ s/$specialChar/&laquo;/sg;  # left angle double quote
   $specialChar = "\x{BB}";   $text =~ s/$specialChar/&raquo;/sg;  # right angle double quote
   $specialChar = "\x{2026}"; $text =~ s/$specialChar/&hellip;/sg; # Horizontal ellipses
   $specialChar = "\x{201D}"; $text =~ s/$specialChar/&rdquo;/sg;  # right double quotes
   $specialChar = "\x{201C}"; $text =~ s/$specialChar/&ldquo;/sg;  # left double quotes
   $specialChar = "\x{201B}"; $text =~ s/$specialChar/&lsquo;/sg;  # high rev 9 single quote
   $specialChar = "\x{2019}"; $text =~ s/$specialChar/&rsquo;/sg;  # right single quote
   $specialChar = "\x{2018}"; $text =~ s/$specialChar/&lsquo;/sg;  # left single quote
   $specialChar = "\x{2014}"; $text =~ s/$specialChar/&mdash;/sg;  # em dash
   $specialChar = "\x{2013}"; $text =~ s/$specialChar/&ndash;/sg;  # en dash

you probably can skip the $specialChar step - this is just a cut from an existing module.
perldoc perluniintro has a lot good info

John Cuiuli

gzevin

Thanks John,

have you tried this with 6.1?

I have (as you know) plenty of code doing similar stuff, but it failed at 6.1

fish - also thanks, will give it a try

Greg Zevin, Ph.D. Comp. Sc.
Independent Interwoven Consultant/Architect
Sydney, AU

Johnny

Yep.. that's how we did it in PERL 5.8

John Cuiuli

gzevin

thanks, it worked. I mean this approach, the offending character that I was after was $specialChar = "\x{A0}"; (the nbsp in UTF8) ... you might want to include this as well in your code, if you have not done so already

Greg Zevin, Ph.D. Comp. Sc.
Independent Interwoven Consultant/Architect
Sydney, AU