# CLtL1

> standard of common lisp, as described by the book Common Lisp, the Language, Vol. 1

**Wikidata**: [Q107925450](https://www.wikidata.org/wiki/Q107925450)  
**Source**: https://4ort.xyz/entity/cltl1

## Summary
CLtL1 is a technical standard for the Common Lisp programming language as defined in the book *Common Lisp, the Language, Vol. 1*. It serves as a formal specification for communicating instructions to a machine and represents a primary dialect of the Common Lisp language.

## Key Facts
- **Classification:** Technical standard and programming language.
- **Primary Source:** Described by the book *Common Lisp, the Language, Vol. 1*.
- **Language:** The standard and its primary documentation are in English.
- **Relationship:** It is a specific facet and dialect of the Common Lisp computer language.
- **Succession:** CLtL1 is followed by the CLtL2 standard.
- **Function:** Provides a language for communicating instructions to machines.

## FAQs
### Q: What is the difference between CLtL1 and Common Lisp?
A: CLtL1 is a specific facet and dialect of Common Lisp. While Common Lisp is the broader programming language, CLtL1 refers specifically to the standard described in the first volume of the book *Common Lisp, the Language*.

### Q: Which book defines the CLtL1 standard?
A: The standard is defined by the book titled *Common Lisp, the Language, Vol. 1*. This text serves as the primary source for the technical specifications of this version of the language.

### Q: What standard succeeded CLtL1?
A: CLtL1 was followed by CLtL2. CLtL2 is the standard of Common Lisp as described in the second volume of *Common Lisp, the Language*.

## Why It Matters
CLtL1 serves as a foundational technical standard for the Common Lisp programming language. Its primary significance lies in its role as a formal language for communicating instructions to a machine, providing a structured framework that implementers and developers can follow. By being a specific facet of Common Lisp, CLtL1 helped define the dialect's early requirements and capabilities.

The relevance of CLtL1 is anchored in its status as a documented standard within the book *Common Lisp, the Language, Vol. 1*. This documentation provided the necessary English-language specifications to ensure consistency across different computing environments. In the field of computer science, such standards are vital for the interoperability and stability of software systems. Furthermore, CLtL1 established the baseline for future iterations of the language. It is the direct predecessor to CLtL2, marking a clear lineage in the evolution of Common Lisp. Understanding CLtL1 is essential for grasping how the language was structured before the updates introduced in the second volume. As a technical standard, it represents a critical point in the history of programming languages, offering a definitive reference for the instructions and syntax that characterize this specific dialect of Common Lisp.

## Notable For
- **Standardization:** Acts as a formal technical standard for the Common Lisp programming language.
- **Foundational Documentation:** Specifically defined by the first volume of the book *Common Lisp, the Language*.
- **Chronological Precedence:** Serves as the predecessor to the CLtL2 standard.
- **Machine Communication:** Established as a formal language for providing instructions to machines in a specific dialect.

## Body
### Technical Classification
CLtL1 is categorized as both a **technical standard** and a **programming language**. It functions as a medium for communicating instructions to a machine. Within the broader context of computer science, it is identified as a **dialect of Common Lisp** and a specific facet of that language.

### Documentation and Specification
The specifications for CLtL1 are contained within the work *Common Lisp, the Language*. The standard specifically refers to the contents of **Volume 1** of this publication. The language of the work and the name of the standard is **English**.

### Relationship to Other Standards
CLtL1 is part of a chronological progression of technical standards for the Common Lisp language:
*   **Preceded by:** (Not specified in source material).
*   **Followed by:** CLtL2, which is the standard described by *Common Lisp, the Language, Vol. 2*.

As a facet of Common Lisp, CLtL1 provides the technical definitions required for the language to function as a standardized tool for machine communication. It is related to the general class of programming languages, which includes all languages used to communicate instructions to machines.