I thought I had sent this a while ago, but I couldn't find it in the archive, so
here it is again:
Ken Hirsch
There is a revision to RFC 2646
http://www.rfc-editor.org/rfc/rfc3676.txt
"The Text/Plain Format and DelSp Parameters". It adds an extra parameter,
Delsp, to
Content-type: text/plain.
The parameter is added to facilitate non-Western languages where there
may be paragraphs that need to be flowed, but don't have ASCII spaces. The idea
is
that if Delsp=Yes, then you delete _one_ space from then end of the line before
flowing them together. If Delsp=No, the default for backward-compatibility, you
would treat it as format=flowed is treated now.
Apple Mail is already using this, and you can find examples if you google
for "Delsp=Yes"
So, a sentence like
Now is the time for all good men to come to the aid of their country.
Could be put into email as
(Where "*" is for a trailing space)
Format=flowed; Delsp=No
Now is the time*
nfor all good men*
to come to the aid*
of their country.
or
Format=flowed; Delsp=Yes
Now is the time**
for all good men**
to come to the aid**
of their country.
or even
Format=flowed; Delsp=Yes
Now is the time**
for all go*
od men* to co*
me to the aid**
of their country.
And these should all be displayed the same.
In the current code, the property of HTML displaying any consecutive
white space as a single space is relied upon and new-line characters are
not removed.
Here are some possible changes to mhtxtplain.pl (none tested!!)
Assuming that $delsp has been set to true if the Delsp=Yes parameter is
present:
After this line (about line 393 of mhtxtplain.pl):
$para =~ s/^(|.*[^ ])(\n)(?!\Z)/
($keepspace ? &preserve_space($1) : $1) .
'<br>'.$2/mgex;
# Either do all lines
if ($delsp) {
$para =~ s/ \n//mg;
}
# or maybe just do lines with only one trailing space:
if ($delsp) {
$para =~ s/(\S) \n/$1/mg;
}
# or even do this to help keep HTML source lines short:
if ($delsp) {
$para =~ s/(\S) \n/$1<!--\n-->/mg;
}
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