254 |
<p> |
<p> |
255 |
The left hand side's <code>??variable-name??</code> is an arbitrary name |
The left hand side's <code>??variable-name??</code> is an arbitrary name |
256 |
you can chose for your variable. That name might consist of English |
you can chose for your variable. That name might consist of English |
257 |
letters A to Z (lower and upper case) and the underscore character "<code>_</code>". |
letters A to Z (lower and upper case), digits (<code>0</code> to <code>9</code>), |
258 |
|
and the underscore character "<code>_</code>". |
259 |
Variable names must be unique. So you can neither declare several variables |
Variable names must be unique. So you can neither declare several variables |
260 |
with the same name, nor can you use a name for your variable that is |
with the same name, nor can you use a name for your variable that is |
261 |
already been reserved by <i>built-in variables</i>. |
already been reserved by <i>built-in variables</i>. |