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(when not using cross-reference streams (PDF 1.5)) keyword. Multiple. Incremental Updates . append additional. Body, Cross-reference Table . and. Trailer . sections to a PDF file, allowing edits and changes without rewriting the full PDF. Link to previous PDF state is via . Prev. entry in the trailer dictionary to previous . xref. PDF Basics ...
Nov 21, 2024 · Includes the most current, evidence-based therapeutic information and non-prescription therapy for most common conditions, with cross-referenced drug tables and algorithms. Includes CPS Drug Information, critical updates such as warnings, advisories, and drug shortages; and useful tools such as medical calculators, Clin-Info, Pill Identifier and Lexi-Interact drug interaction checker.
- Rosemary Woodby
- 2019
A "cross-reference entry" is a formal term of art defined in ISO 32000 for conventional PDFs. It refers to the fixed-length 20-byte lines that define in-use (n keyword) or free objects (f keyword) in each cross-reference subsection. Cross-reference section: A "cross-reference section" is a formal term of art defined in ISO 32000 for ...
Sep 25, 2024 · adamantine (comparative more adamantine, superlative most adamantine) Made of adamant , or having the qualities of adamant; incapable of being broken , dissolved , or penetrated . adamantine bonds
- Lexical Conventions
- Objects
- Filters
- File Structure
- Encryption
- Document Structure
- Common Data Structures
- 0 Functions
- 1 File Specifications
- 2 Extensions Dictionary
7.2.2 Representation
Change the first paragraph and the 3rd (last) bullet in the subsequent list as follows: [ Issue #193] A non-encrypted PDF file can be entirely represented using byte values corresponding to the visibleprintable subset of the ASCII character set defined in INCITS 4-1986 (R2017), plus white-space characters.However, a[ Issue #193] PDF file is not restricted to the ASCII character set; it may contain arbitrary bytes, subject to the following considerations: 1. ... 2. ... 3. A PDF file [ Issue #1...
7.3.3 Numeric objects
Add the following EBNF figure and embedded attachment above EXAMPLE 1: Change EXAMPLE 1 as follows: EXAMPLE 1 Integer objects ... Add the following EBNF figure and embedded attachment above EXAMPLE 2: Change EXAMPLE 2 as follows: EXAMPLE 2 Real objects ...
7.3.7 Dictionary objects
... Add a new NOTE 2 below the third paragraph as follows: Multiple entries in the same dictionary shall not have the same key. [ Issue #438] ...
7.4.1 General
Change the first paragraph as follows: Stream filters are introduced in 7.3.8, "Stream objects". An option when reading stream data is to decode it using a filter to produce the original non-encoded data. Whether to do so and which decoding filter or filters to use [ Issue #216] are [ Issue #216] specified in the stream dictionary.[ Issue #216] ... Change the paragraph introducing the bulleted list above NOTE 1 as follows: PDF [ Issue #216] files [ Issue #216] support a standard set of filter...
7.4.3 ASCII85Decode filter
Change the second paragraph as follows: The ASCII base-85 encoding shall use the ASCII characters ! through u ((21h) - (75h)) and the character z (7Ah), with the 2-character sequence ~> (7Eh)(3Eh) as its EOD marker. The ASCII85Decode filter shall ignore all white-space characters (see 7.2, "Lexical conventions"). [ Issue #293] Any other characters, and any character sequences that represent impossible combinations in the ASCII base-85 encoding, shall cause an error. Insert a new NOTE below th...
7.4.4 LZWDecode and FlateDecode filters
...
7.5.2 File header
Change the last paragraph as follows: If a PDF file contains binary data, as most do (see 7.2, "Lexical conventions"), the header line shall be immediately followed by a [ Issue #272] comment line containing [ Issue #272] at least four binary characters–that is, characters whose codes are 128 or greater.This ensures proper behaviour of file transfer applications that inspect data near the beginning of a file to determine whether to treat the file’s contents as text or as binary.
7.5.4 Cross reference table
Change the first paragraph as follows: The cross-reference table contains information that permits random access to indirect objects within the PDF file so that the entire PDF file need not be read to locate any particular object. The table [ Issue #149] shall contain[ Issue #149] a one-line entry for each indirect object, specifying the byte offset of that object within the body of the PDF file. Beginning with PDF 1.5, some or all of the cross-reference information may alternatively be conta...
7.5.5 File trailer
Change first paragraph as follows: The trailer of a PDF file enables a PDF processor to quickly find the cross-reference table and certainspecial objects. PDF processors should read a PDF file from its end. The last line of the file shall containonly the end-of-file marker, %%EOF. The two preceding lines shall contain, one per line and in order,the keyword startxref and the byte offset[ Issue #101] in the decoded stream from the beginning of the PDF file tothe beginning of the xref keyword in...
7.6.2 Application of encryption
Add new NOTE 1 after the 4th bullet in the first bulleted list below the first paragraph as follows: Encryption applies to all strings and streams in the document's PDF file, with the following exceptions: 1. ... 2. Any hexadecimal strings representing the value of the Contents key in a Signature dictionary [ Issue #211] Encryption is not applied to other object types such as integers and boolean values, which are used primarily to convey information about the document's structure rather than...
7.7.1 General
Move Figure 5 from subclause 7.7.2 to after the first paragraph, and update Figure 5 as follows:
7.7.2 Document catalog dictionary
Append a new sentence to the end of the first paragraph as follows: The root of a document’s object hierarchy is the catalog dictionary, located by means of the Root entry in the trailer of the PDF file (see 7.5.5, "File trailer"). The catalog dictionary contains references to other objects defining the document’s contents, outline, article threads, named destinations, and other attributes. In addition, it contains information about how the document shall be displayed on the screen, such as w...
7.7.4 Name dictionary
... Change all occurrences of "name string" to "string" in Table 32 as follows:
7.9.1 General
Replace Table 35 with the following table and NOTE: [ Issue #322]
7.9.4 Dates
... Change the last paragraph before the EXAMPLE as follows: The prefix “D:” shall be present, the year field (YYYY) shall be present and all other fields may bepresent but only if all of their preceding fields are also present. The APOSTROPHE following the houroffset field (HH) shall only be present if the HH field is present. The minute offset field (mm) shall onlybe present if the APOSTROPHE following the hour offset field (HH) is present. The default values for MM andDD shall be both 01;...
7.9.6 Name trees
... Change Table 36 as follows: Change the paragraph below Table 36 as follows: The Kids entries in the root and intermediate nodes define the tree’s structure by identifying the immediate children of each node.The Names entries in the leaf (or root) nodes shall contain the tree’s keys and their associated values, arranged in key-value pairs and shall be sorted[ Issue #214] lexicallyin ascending order by key. Shorter keys shall appear before longer ones beginning with the same byte sequence.A...
7.10.3 Type 2 (exponential interpolation) functions
Change the paragraph below Table 40 as follows: Values of Domain shall constrain x in such a way that[ Issue #30] 1. [ Issue #30] 2. [ Issue #30] Typically, Domain is declared as [0.0 1.0], and N is a positive number. To clip the output to a specified range the Rangeattribute shall be used. ...
7.11.3 File specification dictionaries
Change Table 43 as follows:
7.11.6 Collection items
Change Table 47 as follows:
7.12.1 General
Add new informative NOTE below the first paragraph as follows: [ Issue #403]
7.12.2 Extensions dictionary
Change Table 48 as follows:
7.12.3 Developer extensions dictionary
Add the following note below Table 49 as follows: [ Issue #164] ...
ad·a·man·tine (ăd′ə-măn′tēn′, -tīn′, -tĭn) adj. 1. Made of or resembling adamant. 2. Having the hardness or luster of a diamond. 3. Unyielding; inflexible ...
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