[mpeg-OTspec] Proposal to modify wording for name table ID 6

[Thomas Phinney]

Oops. or more importantly, "PSFontName.otf"



On Tue, Jun 10, 2014 at 5:01 PM, Thomas Phinney <tphinney at cal.berkeley.edu>
wrote:

> Note: I remember a reason for 27 instead of 29 or 31. It was so we (Adobe)
> could have a filename of the format "PSFontName.afm" and have it still come
> out at 31 characters or less, for compatibility with Mac Classic and/or
> really old versions of Windows.
>
>
>
> On Tue, Jun 10, 2014 at 4:59 PM, Ken Lunde lunde at adobe.com [mpeg-OTspec] <
> mpeg-OTspec at yahoogroups.com> wrote:
>
>> Thomas and others,
>>
>> I looked into this a week or two ago. Page 14 of Adobe Tech Note #5176
>> ("The Compact Font Format Specification") states the following:
>>
>> > For compatibility with client software, such as PostScript interpreters
>> and Acrobat®, font names should be no longer than 127 characters and should
>> not contain any of the following ASCII characters: [, ], (, ), {, }, <, >,
>> /, %, null (NUL), space, tab, carriage return, line feed, form feed. It is
>> recommended that font names be restricted to the printable ASCII subset,
>> codes 33 through 126. Adobe Type Manager® (ATM®) software imposes a further
>> restriction on the font name length of 63 characters.
>> >
>> > Note 3: For compatibility with earlier PostScript interpreters, see
>> Technical Note #5088, "Font Naming Issues."
>>
>> The following is from page 8 of Adobe Tech Note #5088 ("Font Naming
>> Issues"):
>>
>> > The FontName generally consists of a family name (specifically, the one
>> used for FamilyName), followed by a hyphen and style attributes in the same
>> order as in the FullName. For compatibility with the earliest versions of
>> PostScript interpreters and with the file systems in some operating
>> systems, Adobe limits the number of characters in the FontName to 29
>> characters.
>>
>> In other words, there appears to be three length limits for the FontName
>> string: 29, 63, and 127.
>>
>> The quoted Adobe Tech Notes can be obtained here:
>>
>>   http://www.adobe.com/devnet/font.html
>>
>> Cheers!
>>
>> -- Ken
>>
>> On Jun 10, 2014, at 4:40 PM, Thomas Phinney tphinney at cal.berkeley.edu
>> [mpeg-OTspec] <mpeg-OTspec at yahoogroups.com> wrote:
>>
>> >
>> > Yes, the 31 vs 63 thing caught me off guard as well. When did it change?
>> >
>> >
>> > On Tue, Jun 10, 2014 at 2:53 PM, James Cloos
>> cloos+mpeg-otspec at jhcloos.com [mpeg-OTspec] <mpeg-OTspec at yahoogroups.com>
>> wrote:
>> >
>> > The simplification is good, but:
>> >
>> >
>> >
>> > > translated to ASCII, the name string must be no longer than 63
>> characters
>> >
>> > How long have PostScript interpreters supported names longer than 31?
>> >
>> > Should it note that ps name used to be limited to 31?
>> >
>> > -JimC
>> > --
>> > James Cloos <cloos at jhcloos.com> OpenPGP: 0x997A9F17ED7DAEA6
>> >
>> >
>> >
>> >
>> > --
>> > On paper books and ebooks: “Paper books are the packaging that books
>> come in.”
>> > —Cory Doctorow
>> >
>> >
>>
>>
>>
>> ------------------------------------
>>
>> ------------------------------------
>>
>> Yahoo Groups Links
>>
>>
>>
>>
>
>
> --
> On paper books and ebooks: “Paper books are the packaging that books come
> in.”
> —Cory Doctorow
>



-- 
On paper books and ebooks: “Paper books are the packaging that books come in
.”
—Cory Doctorow
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