# Sue

> programming language

**Wikidata**: [Q28938004](https://www.wikidata.org/wiki/Q28938004)  
**Source**: https://4ort.xyz/entity/sue

## Summary  
Sue is a programming language developed by Canadian computer scientist Ric Holt in 1971. It was influenced by XPL, a dialect of the PL/I programming language, and is classified as a programming language used for communicating instructions to machines.

## Key Facts  
- Sue is a programming language created in 1971.  
- Developed by Ric Holt, a Canadian computer scientist (1941–2019).  
- Influenced by XPL, a compiler-oriented dialect of PL/I.  
- Classified under the broader category of programming languages.  
- No further version or specification data provided in available sources.

## FAQs  
### Q: What is Sue?  
A: Sue is a programming language developed in 1971 by Ric Holt. It falls under the general class of programming languages designed to communicate instructions to machines.

### Q: Who created the Sue programming language?  
A: Sue was created by Ric Holt, a Canadian computer scientist born in 1941, who also worked in engineering and academia.

### Q: What influenced the development of Sue?  
A: The design of Sue was influenced by XPL, a dialect of the PL/I programming language that was commonly used in compiler construction.

## Why It Matters  
Sue represents an early example of programming language development in the 1970s, reflecting trends in systems and compiler design during that era. Though not widely known today, it contributes to the historical landscape of programming languages and illustrates how academic research shaped computational tools. Its connection to Ric Holt and influence from XPL ties it to broader developments in high-level language implementation and education in computer science.

## Notable For  
- Being one of several experimental programming languages developed in the early 1970s.  
- Direct lineage from XPL, indicating its use in compiler-related applications.  
- Association with Ric Holt, a notable figure in Canadian computing history.  
- Reflecting mid-20th-century efforts toward creating efficient system-level programming tools.

## Body  

### Overview  
Sue is a programming language categorized within the general domain of machine instruction communication tools. As part of the diverse ecosystem of programming languages, it reflects the evolution of software development practices in the early 1970s.

### Development History  
- **Inception**: 1971  
- **Developer**: Ric Holt  
  - Canadian computer scientist, engineer, and educator (born February 13, 1941 – died in 2019)  
  - Also contributed to other areas of computing including hardware description languages  

### Technical Influence  
- **Influenced By**: XPL  
  - A variant of PL/I tailored for writing compilers  
  - Emerged around 1967, making it a contemporary precursor to Sue  

### Classification  
- Instance Of: Programming Language  
  - Defined as a formal language comprising a set of instructions that produce various kinds of output  
  - Used in contexts requiring precise control over computational processes  

While detailed documentation on Sue's syntax or usage remains sparse, its place in the timeline of programming language innovation underscores its relevance in understanding historical progressions in computer science.