| Eisuke Kawashima | a35040f | 2025-02-08 18:32:14 +0100 | [diff] [blame] | 1 | \documentclass{article} |
| 2 | \newcommand{\foo}{} | ||||
| 3 | \renewcommand*{\foo}[1]{#10} | ||||
| 4 | \providecommand{\foo}[1][default]{#11} | ||||
| 5 | \newenvironment*{baz}{START}{STOP} | ||||
| 6 | \renewenvironment{baz}[1]{HEAD of #12:}{TAIL} | ||||
| 7 | \renewenvironment*{baz}[1][default]{BEGINNING of #12:}{END} | ||||
| 8 | \begin{document} | ||||
| 9 | \foo{TeX} % -> TeX0 | ||||
| 10 | \begin{baz} tex \end{baz} % -> BEGINNING of default2:tex END | ||||
| 11 | \end{document} | ||||