1 rizwank 1.1 /**
 2              * Name: tex
 3              * Description: TeX/LaTeX command, comment and math highlighting.
 4              * Author: Toni Giorgino <toni@pcape2.pi.infn.it>
 5              */
 6             
 7             /* Syntactically highlights _every_ TeX command.  A more specialized
 8              * LaTeX mode might instead operate by keyword, eg. reproducing text
 9              * emphasis and boldface, perhaps cluttering the output too much.
10              * Label and reference highlighting is a better candidate for a To Do
11              * list.  Please report modifications.     TG
12              */
13             
14             state tex extends HighlightEntry
15             {
16               /* escaped comment mark */
17               /\\\\%/ {
18                 language_print ($0);
19               }
20             
21               /* comment */
22 rizwank 1.1   /%/ {
23                 comment_face (true);
24                 language_print ($0);
25                 call (eat_one_line);
26                 comment_face (false);
27               }
28             
29               /* one non-letter commands */
30               /\\\\[^[:alpha:]]/ {
31                 keyword_face (true);
32                 language_print ($0);
33                 keyword_face (false);
34               }
35             
36               /* multi letter commands */
37               /\\\\[[:alpha:]]+/ {
38                 keyword_face (true);
39                 language_print ($0);
40                 keyword_face (false);
41               }
42             
43 rizwank 1.1   /* display math environment */
44               /\$\$[^$]+\$\$/ {
45                 string_face (true);
46                 language_print ($0);
47                 string_face (false);
48               }
49             
50               /* inline math environment */
51               /\$[^$]+\$/ {
52                 variable_name_face (true);
53                 language_print ($0);
54                 variable_name_face (false);
55                }
56             }
57             
58             
59             /*
60             Local variables:
61             mode: c
62             End:
63             */