ASCII and HTML Character References v.2.0.0
128 Database Records
ASCII and HTML Character References provides a precise structured guide to all 128 ASCII code points from U+0000 through U+007F. Each record includes the decimal and hexadecimal code point, Unicode name or control alias, printable character where applicable, HTML decimal and hexadecimal numeric-reference syntax, the actual HTML parsing result, and canonical WHATWG named references that resolve to that ASCII character. The release clearly distinguishes the ASCII character repertoire from HTML character-reference syntax and documents the U+0000 replacement-character rule and control-reference parse errors. The free protected package includes matching UTF-8 CSV, JSON, and SQLite files plus schema, samples, statistics, licensing, and signed release evidence.
Table Schema Database Field Statistics
Release structure
ASCII and HTML Character References
Review the published tables, record coverage, and field names included with release 2.0.0.
- Database
- #759
- Version
- 2.0.0
- Format
- XML schema
Data dictionary
Tables and fields
| Field | Type | Required | Description |
|---|---|---|---|
| code_point_decimal | integer | Yes | ASCII code point as a decimal integer from 0 through 127. |
| code_point_hex | text | Yes | Unicode notation for the same ASCII code point. |
| ascii_class | text | Yes | Practical ASCII classification. |
| unicode_name | text | Yes | Unicode character name or normative control alias. |
| display_character | text | Yes | Literal character for printable ASCII only; blank for controls. |
| unicode_escape | text | Yes | Six-character Unicode escape notation. |
| html_decimal_reference | text | Yes | HTML decimal numeric character-reference syntax. |
| html_hex_reference | text | Yes | HTML hexadecimal numeric character-reference syntax. |
| html_numeric_result_code_point | text | Yes | Code point produced by the HTML numeric-reference algorithm. |
| html_numeric_direct_mapping | boolean | Yes | Whether HTML parsing returns the referenced ASCII code point unchanged. |
| html_named_references | text | Yes | Canonical semicolon-terminated WHATWG named references that resolve to this single ASCII code point. |
| html_parsing_note | text | Yes | Relevant HTML parsing behavior, including control and null handling. |
Release at a glance
What is inside this database
All 128 ASCII code points, with Unicode names or control aliases and WHATWG HTML character-reference syntax and parsing behavior.
code_point_decimalASCII code point as a decimal integer from 0 through 127.
- Distinct
- 128
- Missing
- 0.0%
code_point_hexUnicode notation for the same ASCII code point.
- Distinct
- 128
- Missing
- 0.0%
ascii_classPractical ASCII classification.
- Distinct
- 7
- Missing
- 0.0%
unicode_nameUnicode character name or normative control alias.
- Distinct
- 128
- Missing
- 0.0%
display_characterLiteral character for printable ASCII only; blank for controls.
- Distinct
- 96
- Missing
- 0.0%
unicode_escapeSix-character Unicode escape notation.
- Distinct
- 128
- Missing
- 0.0%
html_decimal_referenceHTML decimal numeric character-reference syntax.
- Distinct
- 128
- Missing
- 0.0%
html_hex_referenceHTML hexadecimal numeric character-reference syntax.
- Distinct
- 128
- Missing
- 0.0%
html_numeric_result_code_pointCode point produced by the HTML numeric-reference algorithm.
- Distinct
- 128
- Missing
- 0.0%
html_numeric_direct_mappingWhether HTML parsing returns the referenced ASCII code point unchanged.
- Distinct
- 2
- Missing
- 0.0%
html_named_referencesCanonical semicolon-terminated WHATWG named references that resolve to this single ASCII code point.
- Distinct
- 33
- Missing
- 0.0%
html_parsing_noteRelevant HTML parsing behavior, including control and null handling.
- Distinct
- 3
- Missing
- 0.0%
Ascii Class
- C0 Control32
- Punctuation Or Symbol32
- Lowercase Letter26
- Uppercase Letter26
- Digit10
- Delete Control1
- Space1
Records Information
Each row represents exactly one ASCII code point, producing complete, gap-free coverage from decimal 0 through 127. Printable display characters are included only for U+0020 through U+007E so control characters cannot corrupt delimited output. Named references are limited to canonical semicolon-terminated WHATWG entries that resolve to a single ASCII code point.
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