*Comment any comment
*Constant any constant
String a string constant: "this is a string"
Character a character constant: 'c', '\n'
Number a number constant: 234, 0xff
Boolean a boolean constant: TRUE, false
Float a floating point constant: 2.3e10
*Identifier any variable name
Function function name (also: methods for classes)
*Statement any statement
Conditional if, then, else, endif, switch, etc.
Repeat for, do, while, etc.
Label case, default, etc.
Operator "sizeof", "+", "*", etc.
Keyword any other keyword
Exception try, catch, throw
*PreProc generic Preprocessor
Include preprocessor #include
Define preprocessor #define
Macro same as Define
PreCondit preprocessor #if, #else, #endif, etc.
*Type int, long, char, etc.
StorageClass static, register, volatile, etc.
Structure struct, union, enum, etc.
Typedef A typedef
*Special any special symbol
SpecialChar special character in a constant
Tag you can use CTRL-] on this
Delimiter character that needs attention
SpecialComment special things inside a comment
Debug debugging statements
*Underlined text that stands out, HTML links
*Ignore left blank, hidden |hl-Ignore|
*Error any erroneous construct
*Todo anything that needs extra attention; mostly the
keywords TODO FIXME and XXX