Consistently refer to ISO 32000-1:2008.

Stay consistent with https://pdfium-review.googlesource.com/85978

Change-Id: I12df3c20e373fc70e640ca9e4e9e98412e7319dd
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/3229082
Reviewed-by: Daniel Hosseinian <dhoss@chromium.org>
Commit-Queue: Lei Zhang <thestig@chromium.org>
Cr-Commit-Position: refs/heads/main@{#932569}

pdf/document_metadata.h

@@ -40,7 +40,7 @@ enum class FormType {
 
 // Document properties, including those specified in the document information
 // dictionary (see section 14.3.3 "Document Information Dictionary" of the ISO
-// 32000-1 standard).
+// 32000-1:2008 spec).
 struct DocumentMetadata {
   DocumentMetadata();
   DocumentMetadata(const DocumentMetadata&) = delete;
@@ -57,15 +57,15 @@ struct DocumentMetadata {
   size_t page_count = 0;
 
   // Whether the document is optimized by linearization (see annex F "Linearized
-  // PDF" of the ISO 32000-1 standard).
+  // PDF" of the ISO 32000-1:2008 spec).
   bool linearized = false;
 
   // Whether the document contains file attachments (see section 12.5.6.15 "File
-  // Attachment Annotations" of the ISO 32000-1 standard).
+  // Attachment Annotations" of the ISO 32000-1:2008 spec).
   bool has_attachments = false;
 
   // Whether the document is tagged (see section 14.8 "Tagged PDF" of the ISO
-  // 32000-1 standard).
+  // 32000-1:2008 spec).
   bool tagged = false;
 
   // The type of form contained in the document.

pdf/pdf_utils/dates.cc

@@ -69,9 +69,9 @@ class DateDeserializer final {
 };
 
 // Parses the offset info in `deserializer`, which is the time offset portion of
-// the date format provided in section 7.9.4 "Dates" of the ISO 32000-1
+// the date format provided in section 7.9.4 "Dates" of the ISO 32000-1:2008
-// standard. An input is expected to look like "HH'mm", such that "HH" is the
+// spec. An input is expected to look like "HH'mm", such that "HH" is the hour
-// hour and "mm" is the minute.
+// and "mm" is the minute.
 base::TimeDelta ParseOffset(DateDeserializer& deserializer) {
   base::TimeDelta offset;
 

pdf/pdf_utils/dates.h

@@ -14,8 +14,8 @@ class Time;
 namespace chrome_pdf {
 
 // Parses a string in the PDF date format (see section 7.9.4 "Dates" of the ISO
-// 32000-1 standard). If `date` cannot be parsed, returns a "null" time (one for
+// 32000-1:2008 spec). If `date` cannot be parsed, returns a "null" time (one
-// which `base::Time::is_null()` returns `true`).
+// for which `base::Time::is_null()` returns `true`).
 base::Time ParsePdfDate(base::StringPiece date);
 
 }  // namespace chrome_pdf

pdf/pdfium/pdfium_page.cc

@@ -1282,9 +1282,9 @@ void PDFiumPage::PopulateHighlight(FPDF_ANNOTATION annot) {
     highlight.color = MakeARGB(255, 255, 255, 0);
   }
 
-  // Retrieve the contents of the popup note associated with highlight.
+  // Retrieve the contents of the popup note associated with highlight. See
-  // See table 164 in ISO 32000-1 standard for more details around "Contents"
+  // table 164 in ISO 32000-1:2008 spec for more details around "Contents" key
-  // key in a highlight annotation.
+  // in a highlight annotation.
   static constexpr char kContents[] = "Contents";
   highlight.note_text = base::UTF16ToUTF8(CallPDFiumWideStringBufferApi(
       base::BindRepeating(&FPDFAnnot_GetStringValue, annot, kContents),