]> git.ipfire.org Git - thirdparty/cups.git/blob - cups/ppd.h
projects / thirdparty / cups.git / blob
? search:


a95dac17fb0921699210abc88bdaa4bbbc638669
[thirdparty/cups.git] / cups / ppd.h
1 /*
2 * PostScript Printer Description definitions for CUPS.
3 *
4 * THESE APIS ARE DEPRECATED. TO COMPILE WITHOUT WARNINGS ADD
5 * -D_PPD_DEPRECATED="" TO YOUR COMPILE OPTIONS. THIS HEADER AND THESE
6 * FUNCTIONS WILL BE REMOVED IN A FUTURE RELEASE OF CUPS.
7 *
8 * Copyright 2007-2015 by Apple Inc.
9 * Copyright 1997-2007 by Easy Software Products, all rights reserved.
10 *
11 * These coded instructions, statements, and computer programs are the
12 * property of Apple Inc. and are protected by Federal copyright
13 * law. Distribution and use rights are outlined in the file "LICENSE.txt"
14 * which should have been included with this file. If this file is
15 * file is missing or damaged, see the license at "http://www.cups.org/".
16 *
17 * PostScript is a trademark of Adobe Systems, Inc.
18 *
19 * This code and any derivative of it may be used and distributed
20 * freely under the terms of the GNU General Public License when
21 * used with GNU Ghostscript or its derivatives. Use of the code
22 * (or any derivative of it) with software other than GNU
23 * GhostScript (or its derivatives) is governed by the CUPS license
24 * agreement.
25 *
26 * This file is subject to the Apple OS-Developed Software exception.
27 */
28
29 #ifndef _CUPS_PPD_H_
30 # define _CUPS_PPD_H_
31
32 /*
33 * Include necessary headers...
34 */
35
36 # include <stdio.h>
37 # include "cups.h"
38 # include "array.h"
39 # include "file.h"
40 # include "raster.h"
41
42
43 /*
44 * C++ magic...
45 */
46
47 # ifdef __cplusplus
48 extern "C" {
49 # endif /* __cplusplus */
50
51
52 /*
53 * Define _PPD_DEPRECATED to silence the warnings about PPD functions being
54 * deprecated...
55 */
56
57 # ifndef _PPD_DEPRECATED
58 # define _PPD_DEPRECATED _CUPS_DEPRECATED_1_6_MSG("Use cupsCopyDestInfo and friends instead.")
59 # endif /* !_PPD_DEPRECATED */
60
61
62 /*
63 * PPD version...
64 */
65
66 # define PPD_VERSION 4.3 /* Kept in sync with Adobe version number */
67
68
69 /*
70 * PPD size limits (defined in Adobe spec)
71 */
72
73 # define PPD_MAX_NAME 41 /* Maximum size of name + 1 for nul */
74 # define PPD_MAX_TEXT 81 /* Maximum size of text + 1 for nul */
75 # define PPD_MAX_LINE 256 /* Maximum size of line + 1 for nul */
76
77
78 /*
79 * Types and structures...
80 */
81
82 typedef enum ppd_ui_e /**** UI Types ****/
83 {
84 PPD_UI_BOOLEAN, /* True or False option */
85 PPD_UI_PICKONE, /* Pick one from a list */
86 PPD_UI_PICKMANY /* Pick zero or more from a list */
87 } ppd_ui_t;
88
89 typedef enum ppd_section_e /**** Order dependency sections ****/
90 {
91 PPD_ORDER_ANY, /* Option code can be anywhere in the file */
92 PPD_ORDER_DOCUMENT, /* ... must be in the DocumentSetup section */
93 PPD_ORDER_EXIT, /* ... must be sent prior to the document */
94 PPD_ORDER_JCL, /* ... must be sent as a JCL command */
95 PPD_ORDER_PAGE, /* ... must be in the PageSetup section */
96 PPD_ORDER_PROLOG /* ... must be in the Prolog section */
97 } ppd_section_t;
98
99 typedef enum ppd_cs_e /**** Colorspaces ****/
100 {
101 PPD_CS_CMYK = -4, /* CMYK colorspace */
102 PPD_CS_CMY, /* CMY colorspace */
103 PPD_CS_GRAY = 1, /* Grayscale colorspace */
104 PPD_CS_RGB = 3, /* RGB colorspace */
105 PPD_CS_RGBK, /* RGBK (K = gray) colorspace */
106 PPD_CS_N /* DeviceN colorspace */
107 } ppd_cs_t;
108
109 typedef enum ppd_status_e /**** Status Codes @since CUPS 1.1.19/OS X 10.3@ ****/
110 {
111 PPD_OK = 0, /* OK */
112 PPD_FILE_OPEN_ERROR, /* Unable to open PPD file */
113 PPD_NULL_FILE, /* NULL PPD file pointer */
114 PPD_ALLOC_ERROR, /* Memory allocation error */
115 PPD_MISSING_PPDADOBE4, /* Missing PPD-Adobe-4.x header */
116 PPD_MISSING_VALUE, /* Missing value string */
117 PPD_INTERNAL_ERROR, /* Internal error */
118 PPD_BAD_OPEN_GROUP, /* Bad OpenGroup */
119 PPD_NESTED_OPEN_GROUP, /* OpenGroup without a CloseGroup first */
120 PPD_BAD_OPEN_UI, /* Bad OpenUI/JCLOpenUI */
121 PPD_NESTED_OPEN_UI, /* OpenUI/JCLOpenUI without a CloseUI/JCLCloseUI first */
122 PPD_BAD_ORDER_DEPENDENCY, /* Bad OrderDependency */
123 PPD_BAD_UI_CONSTRAINTS, /* Bad UIConstraints */
124 PPD_MISSING_ASTERISK, /* Missing asterisk in column 0 */
125 PPD_LINE_TOO_LONG, /* Line longer than 255 chars */
126 PPD_ILLEGAL_CHARACTER, /* Illegal control character */
127 PPD_ILLEGAL_MAIN_KEYWORD, /* Illegal main keyword string */
128 PPD_ILLEGAL_OPTION_KEYWORD, /* Illegal option keyword string */
129 PPD_ILLEGAL_TRANSLATION, /* Illegal translation string */
130 PPD_ILLEGAL_WHITESPACE, /* Illegal whitespace character */
131 PPD_BAD_CUSTOM_PARAM, /* Bad custom parameter */
132 PPD_MISSING_OPTION_KEYWORD, /* Missing option keyword */
133 PPD_BAD_VALUE, /* Bad value string */
134 PPD_MISSING_CLOSE_GROUP, /* Missing CloseGroup */
135 PPD_MAX_STATUS /* @private@ */
136 } ppd_status_t;
137
138 enum ppd_conform_e /**** Conformance Levels @since CUPS 1.1.19/OS X 10.3@ ****/
139 {
140 PPD_CONFORM_RELAXED, /* Relax whitespace and control char */
141 PPD_CONFORM_STRICT /* Require strict conformance */
142 };
143
144 typedef enum ppd_conform_e ppd_conform_t;
145 /**** Conformance Levels @since CUPS 1.1.19/OS X 10.3@ ****/
146
147 typedef struct ppd_attr_s /**** PPD Attribute Structure @since CUPS 1.1.19/OS X 10.3@ ****/
148 {
149 char name[PPD_MAX_NAME]; /* Name of attribute (cupsXYZ) */
150 char spec[PPD_MAX_NAME]; /* Specifier string, if any */
151 char text[PPD_MAX_TEXT]; /* Human-readable text, if any */
152 char *value; /* Value string */
153 } ppd_attr_t;
154
155 typedef struct ppd_option_s ppd_option_t;
156 /**** Options ****/
157
158 typedef struct ppd_choice_s /**** Option choices ****/
159 {
160 char marked; /* 0 if not selected, 1 otherwise */
161 char choice[PPD_MAX_NAME]; /* Computer-readable option name */
162 char text[PPD_MAX_TEXT]; /* Human-readable option name */
163 char *code; /* Code to send for this option */
164 ppd_option_t *option; /* Pointer to parent option structure */
165 } ppd_choice_t;
166
167 struct ppd_option_s /**** Options ****/
168 {
169 char conflicted; /* 0 if no conflicts exist, 1 otherwise */
170 char keyword[PPD_MAX_NAME]; /* Option keyword name ("PageSize", etc.) */
171 char defchoice[PPD_MAX_NAME];/* Default option choice */
172 char text[PPD_MAX_TEXT]; /* Human-readable text */
173 ppd_ui_t ui; /* Type of UI option */
174 ppd_section_t section; /* Section for command */
175 float order; /* Order number */
176 int num_choices; /* Number of option choices */
177 ppd_choice_t *choices; /* Option choices */
178 };
179
180 typedef struct ppd_group_s /**** Groups ****/
181 {
182 /**** Group text strings are limited to 39 chars + nul in order to
183 **** preserve binary compatibility and allow applications to get
184 **** the group's keyword name.
185 ****/
186 char text[PPD_MAX_TEXT - PPD_MAX_NAME];
187 /* Human-readable group name */
188 char name[PPD_MAX_NAME]; /* Group name @since CUPS 1.1.18/OS X 10.3@ */
189 int num_options; /* Number of options */
190 ppd_option_t *options; /* Options */
191 int num_subgroups; /* Number of sub-groups */
192 struct ppd_group_s *subgroups; /* Sub-groups (max depth = 1) */
193 } ppd_group_t;
194
195 typedef struct ppd_const_s /**** Constraints ****/
196 {
197 char option1[PPD_MAX_NAME]; /* First keyword */
198 char choice1[PPD_MAX_NAME]; /* First option/choice (blank for all) */
199 char option2[PPD_MAX_NAME]; /* Second keyword */
200 char choice2[PPD_MAX_NAME]; /* Second option/choice (blank for all) */
201 } ppd_const_t;
202
203 typedef struct ppd_size_s /**** Page Sizes ****/
204 {
205 int marked; /* Page size selected? */
206 char name[PPD_MAX_NAME]; /* Media size option */
207 float width; /* Width of media in points */
208 float length; /* Length of media in points */
209 float left; /* Left printable margin in points */
210 float bottom; /* Bottom printable margin in points */
211 float right; /* Right printable margin in points */
212 float top; /* Top printable margin in points */
213 } ppd_size_t;
214
215 typedef struct ppd_emul_s /**** Emulators ****/
216 {
217 char name[PPD_MAX_NAME]; /* Emulator name */
218 char *start; /* Code to switch to this emulation */
219 char *stop; /* Code to stop this emulation */
220 } ppd_emul_t;
221
222 typedef struct ppd_profile_s /**** sRGB Color Profiles ****/
223 {
224 char resolution[PPD_MAX_NAME];
225 /* Resolution or "-" */
226 char media_type[PPD_MAX_NAME];
227 /* Media type or "-" */
228 float density; /* Ink density to use */
229 float gamma; /* Gamma correction to use */
230 float matrix[3][3]; /* Transform matrix */
231 } ppd_profile_t;
232
233 /**** New in CUPS 1.2/OS X 10.5 ****/
234 typedef enum ppd_cptype_e /**** Custom Parameter Type @since CUPS 1.2/OS X 10.5@ ****/
235 {
236 PPD_CUSTOM_CURVE, /* Curve value for f(x) = x^value */
237 PPD_CUSTOM_INT, /* Integer number value */
238 PPD_CUSTOM_INVCURVE, /* Curve value for f(x) = x^(1/value) */
239 PPD_CUSTOM_PASSCODE, /* String of (hidden) numbers */
240 PPD_CUSTOM_PASSWORD, /* String of (hidden) characters */
241 PPD_CUSTOM_POINTS, /* Measurement value in points */
242 PPD_CUSTOM_REAL, /* Real number value */
243 PPD_CUSTOM_STRING /* String of characters */
244 } ppd_cptype_t;
245
246 typedef union ppd_cplimit_u /**** Custom Parameter Limit @since CUPS 1.2/OS X 10.5@ ****/
247 {
248 float custom_curve; /* Gamma value */
249 int custom_int; /* Integer value */
250 float custom_invcurve; /* Gamma value */
251 int custom_passcode; /* Passcode length */
252 int custom_password; /* Password length */
253 float custom_points; /* Measurement value */
254 float custom_real; /* Real value */
255 int custom_string; /* String length */
256 } ppd_cplimit_t;
257
258 typedef union ppd_cpvalue_u /**** Custom Parameter Value @since CUPS 1.2/OS X 10.5@ ****/
259 {
260 float custom_curve; /* Gamma value */
261 int custom_int; /* Integer value */
262 float custom_invcurve; /* Gamma value */
263 char *custom_passcode; /* Passcode value */
264 char *custom_password; /* Password value */
265 float custom_points; /* Measurement value */
266 float custom_real; /* Real value */
267 char *custom_string; /* String value */
268 } ppd_cpvalue_t;
269
270 typedef struct ppd_cparam_s /**** Custom Parameter @since CUPS 1.2/OS X 10.5@ ****/
271 {
272 char name[PPD_MAX_NAME]; /* Parameter name */
273 char text[PPD_MAX_TEXT]; /* Human-readable text */
274 int order; /* Order (0 to N) */
275 ppd_cptype_t type; /* Parameter type */
276 ppd_cplimit_t minimum, /* Minimum value */
277 maximum; /* Maximum value */
278 ppd_cpvalue_t current; /* Current value */
279 } ppd_cparam_t;
280
281 typedef struct ppd_coption_s /**** Custom Option @since CUPS 1.2/OS X 10.5@ ****/
282 {
283 char keyword[PPD_MAX_NAME]; /* Name of option that is being extended... */
284 ppd_option_t *option; /* Option that is being extended... */
285 int marked; /* Extended option is marked */
286 cups_array_t *params; /* Parameters */
287 } ppd_coption_t;
288
289 typedef struct _ppd_cache_s _ppd_cache_t;
290 /**** PPD cache and mapping data @since CUPS 1.5/OS X 10.7@ @private@ ****/
291
292 typedef struct ppd_file_s /**** PPD File ****/
293 {
294 int language_level; /* Language level of device */
295 int color_device; /* 1 = color device, 0 = grayscale */
296 int variable_sizes; /* 1 = supports variable sizes, 0 = doesn't */
297 int accurate_screens; /* 1 = supports accurate screens, 0 = not */
298 int contone_only; /* 1 = continuous tone only, 0 = not */
299 int landscape; /* -90 or 90 */
300 int model_number; /* Device-specific model number */
301 int manual_copies; /* 1 = Copies done manually, 0 = hardware */
302 int throughput; /* Pages per minute */
303 ppd_cs_t colorspace; /* Default colorspace */
304 char *patches; /* Patch commands to be sent to printer */
305 int num_emulations; /* Number of emulations supported */
306 ppd_emul_t *emulations; /* Emulations and the code to invoke them */
307 char *jcl_begin; /* Start JCL commands */
308 char *jcl_ps; /* Enter PostScript interpreter */
309 char *jcl_end; /* End JCL commands */
310 char *lang_encoding; /* Language encoding */
311 char *lang_version; /* Language version (English, Spanish, etc.) */
312 char *modelname; /* Model name (general) */
313 char *ttrasterizer; /* Truetype rasterizer */
314 char *manufacturer; /* Manufacturer name */
315 char *product; /* Product name (from PS RIP/interpreter) */
316 char *nickname; /* Nickname (specific) */
317 char *shortnickname; /* Short version of nickname */
318 int num_groups; /* Number of UI groups */
319 ppd_group_t *groups; /* UI groups */
320 int num_sizes; /* Number of page sizes */
321 ppd_size_t *sizes; /* Page sizes */
322 float custom_min[2]; /* Minimum variable page size */
323 float custom_max[2]; /* Maximum variable page size */
324 float custom_margins[4]; /* Margins around page */
325 int num_consts; /* Number of UI/Non-UI constraints */
326 ppd_const_t *consts; /* UI/Non-UI constraints */
327 int num_fonts; /* Number of pre-loaded fonts */
328 char **fonts; /* Pre-loaded fonts */
329 int num_profiles; /* Number of sRGB color profiles @deprecated@ */
330 ppd_profile_t *profiles; /* sRGB color profiles @deprecated@ */
331 int num_filters; /* Number of filters */
332 char **filters; /* Filter strings... */
333
334 /**** New in CUPS 1.1 ****/
335 int flip_duplex; /* 1 = Flip page for back sides @deprecated@ */
336
337 /**** New in CUPS 1.1.19 ****/
338 char *protocols; /* Protocols (BCP, TBCP) string @since CUPS 1.1.19/OS X 10.3@ */
339 char *pcfilename; /* PCFileName string @since CUPS 1.1.19/OS X 10.3@ */
340 int num_attrs; /* Number of attributes @since CUPS 1.1.19/OS X 10.3@ @private@ */
341 int cur_attr; /* Current attribute @since CUPS 1.1.19/OS X 10.3@ @private@ */
342 ppd_attr_t **attrs; /* Attributes @since CUPS 1.1.19/OS X 10.3@ @private@ */
343
344 /**** New in CUPS 1.2/OS X 10.5 ****/
345 cups_array_t *sorted_attrs; /* Attribute lookup array @since CUPS 1.2/OS X 10.5@ @private@ */
346 cups_array_t *options; /* Option lookup array @since CUPS 1.2/OS X 10.5@ @private@ */
347 cups_array_t *coptions; /* Custom options array @since CUPS 1.2/OS X 10.5@ @private@ */
348
349 /**** New in CUPS 1.3/OS X 10.5 ****/
350 cups_array_t *marked; /* Marked choices @since CUPS 1.3/OS X 10.5@ @private@ */
351
352 /**** New in CUPS 1.4/OS X 10.6 ****/
353 cups_array_t *cups_uiconstraints; /* cupsUIConstraints @since CUPS 1.4/OS X 10.6@ @private@ */
354
355 /**** New in CUPS 1.5 ****/
356 _ppd_cache_t *cache; /* PPD cache and mapping data @since CUPS 1.5/OS X 10.7@ @private@ */
357 } ppd_file_t;
358
359
360 /*
361 * Prototypes...
362 */
363
364 extern const char *cupsGetPPD(const char *name) _PPD_DEPRECATED;
365 extern const char *cupsGetPPD2(http_t *http, const char *name) _PPD_DEPRECATED;
366 extern http_status_t cupsGetPPD3(http_t *http, const char *name, time_t *modtime, char *buffer, size_t bufsize) _PPD_DEPRECATED;
367 extern char *cupsGetServerPPD(http_t *http, const char *name) _PPD_DEPRECATED;
368 extern int cupsMarkOptions(ppd_file_t *ppd, int num_options, cups_option_t *options) _PPD_DEPRECATED;
369
370 extern void ppdClose(ppd_file_t *ppd) _PPD_DEPRECATED;
371 extern int ppdCollect(ppd_file_t *ppd, ppd_section_t section,
372 ppd_choice_t ***choices) _PPD_DEPRECATED;
373 extern int ppdConflicts(ppd_file_t *ppd) _PPD_DEPRECATED;
374 extern int ppdEmit(ppd_file_t *ppd, FILE *fp,
375 ppd_section_t section) _PPD_DEPRECATED;
376 extern int ppdEmitFd(ppd_file_t *ppd, int fd,
377 ppd_section_t section) _PPD_DEPRECATED;
378 extern int ppdEmitJCL(ppd_file_t *ppd, FILE *fp, int job_id,
379 const char *user, const char *title)
380 _PPD_DEPRECATED;
381 extern ppd_choice_t *ppdFindChoice(ppd_option_t *o, const char *option)
382 _PPD_DEPRECATED;
383 extern ppd_choice_t *ppdFindMarkedChoice(ppd_file_t *ppd,
384 const char *keyword)
385 _PPD_DEPRECATED;
386 extern ppd_option_t *ppdFindOption(ppd_file_t *ppd, const char *keyword)
387 _PPD_DEPRECATED;
388 extern int ppdIsMarked(ppd_file_t *ppd, const char *keyword,
389 const char *option) _PPD_DEPRECATED;
390 extern void ppdMarkDefaults(ppd_file_t *ppd) _PPD_DEPRECATED;
391 extern int ppdMarkOption(ppd_file_t *ppd, const char *keyword,
392 const char *option) _PPD_DEPRECATED;
393 extern ppd_file_t *ppdOpen(FILE *fp) _PPD_DEPRECATED;
394 extern ppd_file_t *ppdOpenFd(int fd) _PPD_DEPRECATED;
395 extern ppd_file_t *ppdOpenFile(const char *filename) _PPD_DEPRECATED;
396 extern float ppdPageLength(ppd_file_t *ppd, const char *name)
397 _PPD_DEPRECATED;
398 extern ppd_size_t *ppdPageSize(ppd_file_t *ppd, const char *name)
399 _PPD_DEPRECATED;
400 extern float ppdPageWidth(ppd_file_t *ppd, const char *name)
401 _PPD_DEPRECATED;
402
403 /**** New in CUPS 1.1.19 ****/
404 extern const char *ppdErrorString(ppd_status_t status) _PPD_DEPRECATED;
405 extern ppd_attr_t *ppdFindAttr(ppd_file_t *ppd, const char *name,
406 const char *spec) _PPD_DEPRECATED;
407 extern ppd_attr_t *ppdFindNextAttr(ppd_file_t *ppd, const char *name,
408 const char *spec) _PPD_DEPRECATED;
409 extern ppd_status_t ppdLastError(int *line) _PPD_DEPRECATED;
410
411 /**** New in CUPS 1.1.20 ****/
412 extern void ppdSetConformance(ppd_conform_t c) _PPD_DEPRECATED;
413
414 /**** New in CUPS 1.2 ****/
415 extern int cupsRasterInterpretPPD(cups_page_header2_t *h,
416 ppd_file_t *ppd,
417 int num_options,
418 cups_option_t *options,
419 cups_interpret_cb_t func) _PPD_DEPRECATED;
420 extern int ppdCollect2(ppd_file_t *ppd, ppd_section_t section,
421 float min_order, ppd_choice_t ***choices)
422 _PPD_DEPRECATED;
423 extern int ppdEmitAfterOrder(ppd_file_t *ppd, FILE *fp,
424 ppd_section_t section, int limit,
425 float min_order) _PPD_DEPRECATED;
426 extern int ppdEmitJCLEnd(ppd_file_t *ppd, FILE *fp)
427 _PPD_DEPRECATED;
428 extern char *ppdEmitString(ppd_file_t *ppd, ppd_section_t section,
429 float min_order) _PPD_DEPRECATED;
430 extern ppd_coption_t *ppdFindCustomOption(ppd_file_t *ppd,
431 const char *keyword)
432 _PPD_DEPRECATED;
433 extern ppd_cparam_t *ppdFindCustomParam(ppd_coption_t *opt,
434 const char *name) _PPD_DEPRECATED;
435 extern ppd_cparam_t *ppdFirstCustomParam(ppd_coption_t *opt)
436 _PPD_DEPRECATED;
437 extern ppd_option_t *ppdFirstOption(ppd_file_t *ppd) _PPD_DEPRECATED;
438 extern ppd_cparam_t *ppdNextCustomParam(ppd_coption_t *opt) _PPD_DEPRECATED;
439 extern ppd_option_t *ppdNextOption(ppd_file_t *ppd) _PPD_DEPRECATED;
440 extern int ppdLocalize(ppd_file_t *ppd) _PPD_DEPRECATED;
441 extern ppd_file_t *ppdOpen2(cups_file_t *fp) _PPD_DEPRECATED;
442
443 /**** New in CUPS 1.3/OS X 10.5 ****/
444 extern const char *ppdLocalizeIPPReason(ppd_file_t *ppd,
445 const char *reason,
446 const char *scheme,
447 char *buffer,
448 size_t bufsize) _PPD_DEPRECATED;
449
450 /**** New in CUPS 1.4/OS X 10.6 ****/
451 extern int cupsGetConflicts(ppd_file_t *ppd, const char *option,
452 const char *choice,
453 cups_option_t **options)
454 _PPD_DEPRECATED;
455 extern int cupsResolveConflicts(ppd_file_t *ppd,
456 const char *option,
457 const char *choice,
458 int *num_options,
459 cups_option_t **options)
460 _PPD_DEPRECATED;
461 extern int ppdInstallableConflict(ppd_file_t *ppd,
462 const char *option,
463 const char *choice)
464 _PPD_DEPRECATED;
465 extern ppd_attr_t *ppdLocalizeAttr(ppd_file_t *ppd, const char *keyword,
466 const char *spec) _PPD_DEPRECATED;
467 extern const char *ppdLocalizeMarkerName(ppd_file_t *ppd,
468 const char *name)
469 _PPD_DEPRECATED;
470 extern int ppdPageSizeLimits(ppd_file_t *ppd,
471 ppd_size_t *minimum,
472 ppd_size_t *maximum) _PPD_DEPRECATED;
473
474
475 /*
476 * C++ magic...
477 */
478
479 # ifdef __cplusplus
480 }
481 # endif /* __cplusplus */
482 #endif /* !_CUPS_PPD_H_ */
Unnamed repository; edit this file 'description' to name the repository.