> For the complete documentation index, see [llms.txt](https://overleaf-pro.ayaka.space/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://overleaf-pro.ayaka.space/latex/sv/fler-amnen/43-table-of-tex-category-codes.md).

# Tabell över TeX-kategorikoder

| **Kategorikod** | **Beskrivning**                                                 | **Standard LATEX/TEX**                                      |
| --------------- | --------------------------------------------------------------- | ----------------------------------------------------------- |
| 0               | Escape-tecken—säger åt TEX att börja leta efter ett kommando    | `\`                                                         |
| 1               | Starta en grupp                                                 | {                                                           |
| 2               | Avsluta en grupp                                                | }                                                           |
| 3               | Matematikskifte—växla in/ur matematikläge                       | $                                                           |
| 4               | Justeringstabulator                                             | &                                                           |
| 5               | Radslut                                                         | ASCII-kod 13 (`\r`)                                         |
| 6               | Makroparameter                                                  | #                                                           |
| 7               | Upphöjt tecken—för sättning av matematik: `$y=x^2$` $$y=x^2$$   | ˆ                                                           |
| 8               | Nedsänkt tecken—för sättning av matematik: `$y=x_2$` $$y=x\_2$$ | \_                                                          |
| 9               | Ignorerat tecken                                                | ASCII 0 `<null>`                                            |
| 10              | Mellanrum                                                       | ASCII-koderna 32 (mellanslag) och 9 (tabbtecken)            |
| 11              | Bokstav                                                         | A...Z, a...z, (och tusentals Unicode-tecken)                |
| 12              | Övrigt                                                          | 0...9 plus ,.;?" och många andra                            |
| 13              | Aktivt tecken                                                   | Särskild kategorikod för att skapa enkelteckensmakron som ˜ |
| 14              | Kommentartecken—ignorera allt som följer till radens slut       | %                                                           |
| 15              | Ogiltigt tecken, får inte förekomma i .tex-indatafilen          | ASCII-kod 127 (`DEL`)                                       |


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