xmltopdf converts xml Scilab help files to pdf format

## Syntax

    xmltopdf(dirs [,titles [,dir_language [default_language]]]]])

## Arguments

dirs

  vector of strings: a set of directory paths for which pdf manuals are to be generated or `[]`

titles

  vector of strings: titles associated to directory paths or []

dir_language

  vector of strings: languages associated to directory paths or []

default_language

  vector of strings: default languages associated to directory paths or []. If a XML file is missing in the dir_language, it's copied from the default_language.

## Description

converts xml Scilab help files contained in a set of directories into pdf files.

## Examples

    // example_1/
    // `-- help
    //     |-- en_US
    //     |   |-- example_1_function_1.xml
    //     |   |-- example_1_function_2.xml
    //     |   `-- example_1_function_3.xml
    //     `-- fr_FR
    //         |-- example_1_function_1.xml
    //         |-- example_1_function_2.xml
    //         `-- example_1_function_3.xml
    //     `-- zh_TW
    //         |-- example_1_function_1.xml
    //         |-- example_1_function_2.xml
    //         `-- example_1_function_3.xml

    tmpPath = TMPDIR + "/examples";
    copyfile("SCI/modules/helptools/examples", tmpPath);
    my_module_path = pathconvert(tmpPath + "/example_1",%f,%f);

    // Build the french help
    // =============================================================================
    my_french_help_dir    = my_module_path+'/help/fr_FR';
    my_french_help_title  = 'Example 1 [fr_FR]';
    my_french_pdf         = xmltopdf(my_french_help_dir,my_french_help_title,'fr_FR')

    // Build the english help
    // =============================================================================
    my_english_help_dir   = my_module_path+'/help/en_US';
    my_english_help_title = 'Example 1 [en_US]';
    my_english_pdf        = xmltopdf(my_english_help_dir,my_english_help_title,'en_US')

    // Build the chinese help
    // =============================================================================
    my_chinese_help_dir   = my_module_path+'/help/zh_TW';
    my_chinese_help_title = 'Example 1 [zh_TW]';
    my_chinese_pdf        = xmltopdf(my_chinese_help_dir,my_chinese_help_title,'zh_TW')

## See also

- help
- add_help_chapter