////////////////////////////////
// Identifiers (MD_NodeFlag_Identifier)
abc _foo_ x123
almostAnyCIdentifier // not including $

////////////////////////////////
// Numerics (MD_NodeFlag_Numeric)
123 0x123ABC 0b10101 123.456
0.123 123_456_789
123abc456xyz
123e+100
456E-100
789e+E-e+E-100100xyz

////////////////////////////////
// String Literals (MD_NodeFlag_StringLiteral)

//(MD_NodeFlag_StringDoubleQuote)
"Hello World"
" 'Hello World` "
"\"Hello World\""
"\\\a\b\c\d\e\f\""
""

//(MD_NodeFlag_StringSingleQuote)
'Hello World'
' "Hello World` '
''

//(MD_NodeFlag_StringTick)
`Hello World`
` "Hello World' `
``

////////////////////////////////
// Multi-Line String Literals (MD_NodeFlag_StringLiteral|MD_NodeFlag_StringTriplet)

//(MD_NodeFlag_StringDoubleQuote)
"""
This string can go on
for as many lines as I want.
And it can say things like
"Hello World"
or you know, whatever.
"""

//(MD_NodeFlag_StringSingleQuote)
'''
Multi-line strings can start
with a triplet of any of the
string markers.
'''

//(MD_NodeFlag_Tick)
```
```

////////////////////////////////
// Symbols (MD_NodeFlag_Symbol)
+ - * / = & ^ % ! | ? < > . ~
$
++ -- ** == && ^^ %% !! || ??
<< >> .. ~~ $$ -> <- => <= ?.
+= -= *= /= |= &= ^= %= != |=
...
+- +++++++ ??? !? $! $$$ <->
+-*/=&^%~|?<>.~$

/*
** A few punctuation characters are not counted with the rest
** of the symbol characters. These are the 'reserved' characters:
** ( ) { } [ ] : ; , @ # \
**
** And the sequences // and /* start comments so no symbol
** can start with either of those pairs.
**
** Block comments are nested */
*/


////////////////////////////////
// Identifiers, Numbers, Strings, and Symbols are the different kinds
// of 'labels' in Metadesk. They can all form main metadesk nodes:

_foo_: { bar123456; _123; }

0: (1.0.1.1, 1.2.0.0)

```
#include <stdio.h>
int main(){
 printf("Hello World\n");
}
```: "Hello World"

..: . + .