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trunk/R/trunk/ChangeLog revision 37, Wed Jan 11 17:49:17 2006 UTC trunk/tm/ChangeLog revision 826, Sat Feb 23 14:38:15 2008 UTC
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1    2008-02-23  Ingo Feinerer  <h0125130@wu-wien.ac.at>
2    
3            * man/: Language codes should be in ISO 639-1 format.
4    
5            * R/textdoccol.R (asPlain): Preserve local meta data.
6    
7    2008-01-31  Ingo Feinerer  <h0125130@wu-wien.ac.at>
8    
9            * R/textdoccol.R (writeCorpus): Function for writing a corpus
10            containing plain text documents to disk.
11    
12    2008-01-30  Ingo Feinerer  <h0125130@wu-wien.ac.at>
13    
14            * R/termdocmatrix.R (TermDocMatrix): Ensure that dimnames are
15            always set correctly.
16    
17            * R/textdoccol.R: Set load = TRUE as default for load on demand
18            since in most cases this is the wanted behaviour.
19    
20    2008-01-24  Ingo Feinerer  <h0125130@wu-wien.ac.at>
21    
22            * R/: Renamed TextDocCol to Corpus, and Corpus to Content.
23    
24            * DESCRIPTION: Updated Version to 0.3 due to core name changes.
25    
26    2008-01-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
27    
28            * R/meta.R (meta): New function for consistent access to meta data
29            of document collections, repositories, and texts.
30    
31    2008-01-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
32    
33            * R/: Better support for encodings.
34    
35    2008-01-13  Ingo Feinerer  <h0125130@wu-wien.ac.at>
36    
37            * R/textdoccol.R (TextDocCol): Fixed bug regarding default reader
38            selection when no reader argument is given.
39    
40    2008-01-05  Ingo Feinerer  <h0125130@wu-wien.ac.at>
41    
42            * R/source.R (CSVSource): Now uses read.csv instead of scan
43            internally.
44    
45    2008-01-02  Ingo Feinerer  <h0125130@wu-wien.ac.at>
46    
47            * R/reader.R (getReaders): Returns available reader functions.
48    
49            * R/termdocmatrix.R (TermDocMatrix): Set new modular constructor
50            as default.
51    
52    2007-12-02  Ingo Feinerer  <h0125130@wu-wien.ac.at>
53    
54            * R/stopwords.R (stopwords): Shortened code, removed codetools
55            variable warnings.
56    
57            * man/: Documentation for showMeta, added an example for tmMap.
58    
59            * inst/doc/tm.Rnw: Updated vignette, comments on MS word reader,
60            some minor typos fixed.
61    
62    2007-12-01  Ingo Feinerer  <h0125130@wu-wien.ac.at>
63    
64            * R/aobjects.R (showMeta): Added method for pretty printing a
65            text document's meta data.
66    
67    2007-11-29  Ingo Feinerer  <h0125130@wu-wien.ac.at>
68    
69            * R/textdoccol.R (TextDocCol): Better handling of empty
70            arguments.
71    
72            * NAMESPACE: Exported readDOC.
73    
74            * man/completeStems.Rd: Added an example.
75    
76    2007-11-18  Ingo Feinerer  <h0125130@wu-wien.ac.at>
77    
78            * R/stopwords.R (stopwords): Look up .dat files at every
79            call. Allows users to modify stopword .dat files interactively.
80    
81    2007-11-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
82    
83            * R/termdocmatrix.R (termFreq): Correct processing of empty
84            documents.
85    
86    2007-10-27  Ingo Feinerer  <h0125130@wu-wien.ac.at>
87    
88            * man/: Updated documentation.
89    
90    2007-10-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
91    
92            * R/complete.R (completeStems): Completes (heuristically) word
93            stems.
94    
95            * R/termdocmatrix.R (TermDocMatrix2): New modular
96            constructor.
97    
98            * NAMESPACE: Exported termFreq.
99    
100    2007-10-16  Ingo Feinerer  <h0125130@wu-wien.ac.at>
101    
102            * R/reader.R (readDOC): Added MS Word reader (using antiword).
103    
104    2007-10-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
105    
106            * R/weight.R: Weighting functions for TermDocMatrix.
107    
108    2007-10-13  Ingo Feinerer  <h0125130@wu-wien.ac.at>
109    
110            * R/termdocmatrix.R (dimnames, colnames, rownames): Wrapper
111            functions for accessing dimension, column, and row names.
112    
113            * R/plot.R (plot.TermDocMatrix): Plot correlations between terms.
114    
115    2007-09-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
116    
117            * man/removePunctuation.Rd: Added documentation. Function also exported to NAMESPACE.
118    
119    2007-08-28  Ingo Feinerer  <h0125130@wu-wien.ac.at>
120    
121            * R/fungen.R: Use S4 class for function generators instead of S3 attributes.
122    
123    2007-07-29  Ingo Feinerer  <h0125130@wu-wien.ac.at>
124    
125            * R/reader.R (readPDF): Removed manual checks for pdftotext and
126            pdfinfo. The system call gives a warning anyway.
127    
128    2007-07-28  Ingo Feinerer  <h0125130@wu-wien.ac.at>
129    
130            * R/textdoccol.R (asPlain): Conversion from
131            StructuredTextDocuments to PlainTextDocuments.
132    
133    2007-07-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
134    
135            * R/termdocmatrix.R: Added convenience methods ("[", nrow, ncol)
136            for accessing term-document matrices.
137    
138            * inst/doc/tm.Rnw: readPDF is only called if pdftotext and pdfinfo
139            are installed.
140    
141    2007-07-17  Ingo Feinerer  <h0125130@wu-wien.ac.at>
142    
143            * R/termdocmatrix.R (TermDocMatrix): Improved efficiency. Kudos to
144            Christian Buchta.
145    
146    2007-07-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
147    
148            * inst/doc/tm.Rnw: Update vignette (readPDF, readHTML, preprocessReut21578XML).
149    
150    2007-07-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
151    
152            * R/reader.R (readHTML): Added very simple HTML reader to obtain StructuredTextDocuments.
153    
154            * R/reader.R (readPDF): Added PDF reader.
155    
156    2007-07-13  Ingo Feinerer  <h0125130@wu-wien.ac.at>
157    
158            * DESCRIPTION: Moved proxy from Depends to Imports to avoid name clashes.
159    
160            * inst/stopwords/english.dat: Added the term "yes" to stopwords.
161    
162            * R/termdocmatrix.R (dim): dim function for TermDocMatrix.
163    
164            * R/preprocess.R (convertMboxEml): Accepts gzipped mboxes.
165    
166    2007-07-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
167    
168            * R/distmeasure.R (dissimilarity): Replaced dists call from
169            package cba by new dist call from package proxy.
170    
171    2007-07-10  Ingo Feinerer  <h0125130@wu-wien.ac.at>
172    
173            * inst/doc/tm.Rnw: Described removeSparseTerms and Dictionary.
174    
175    2007-06-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
176    
177            * R/termdocmatrix.R: require() uses the quietly option to suppress
178            loading messages.
179    
180    2007-06-12  Ingo Feinerer  <h0125130@wu-wien.ac.at>
181    
182            * R/dictionary.R: Added dictionary support.
183    
184    2007-06-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
185    
186            * R/aobjects.R: Added classes for Reuters21578 XML and RCV1
187            documents. This simplifies some functions, e.g., asPlain.
188    
189    2007-06-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
190    
191            * inst/doc/tm.Rnw: Fixed some typos in vignette.
192    
193    2007-06-03  Ingo Feinerer  <h0125130@wu-wien.ac.at>
194    
195            * R/textdoccol.R (replaceWords): Added method to replace a set of
196            words by a single word. Useful for synonyms.
197    
198    2007-05-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
199    
200            * man/TermDocMatrix.Rd: Fixed documentation on Data slot.
201    
202    2007-05-19  Ingo Feinerer  <h0125130@wu-wien.ac.at>
203    
204            * R/termdocmatrix.R (textvector): Small fix for dealing with empty
205            vectors. Thanks to Ariel Maguyon for his error report.
206            (removeSparseTerms): New function to remove columns from a
207            term-document matrix exceeding a sparse factor.
208    
209    2007-05-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
210    
211            * man/tmUpdate.Rd: Corrected documentation on readerControl parameter.
212    
213    2007-05-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
214    
215            * man/sFilter.Rd: Corrected documentation on statement format (use
216            '==' instead of '=').
217    
218    2007-05-08  Ingo Feinerer  <h0125130@wu-wien.ac.at>
219    
220            * R/aobjects.R (StructuredTextDocument): Inherits from
221            TextDocument.
222    
223    2007-05-04  Ingo Feinerer  <h0125130@wu-wien.ac.at>
224    
225            * R/termdocmatrix.R (findFreqTerms): Perform efficient computation
226            on sparse matrices as proposed by Martin Maechler.
227    
228    2007-04-27  Ingo Feinerer  <h0125130@wu-wien.ac.at>
229    
230            * R/textdoccol.R: Removed \code{dbDisconnect} calls since last
231            \pkg{filehash} version makes them deprecated.
232    
233    2007-04-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
234    
235            * R/termdocmatrix.R (textvector): Stemming is now performed before
236            erasing stopwords.
237            (weightMatrix): Adapted to handle sparse matrices.
238            (TermDocMatrix): Sparse matrix is now efficiently built by
239            direct stepwise insertion of row values into it.
240    
241    2007-04-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
242    
243            * DESCRIPTION: Replaced \pkg{filehashSQLite} with \pkg{filehash}
244            due to ongoing problems. For our purposes the latter is as useful
245            as the replaced package.
246    
247    2007-04-20  Ingo Feinerer  <h0125130@wu-wien.ac.at>
248    
249            * man/TextDocCol.Rd: Replaced \code{readPlain} with \code{object@DefaultReader}.
250    
251            * man/TermDocMatrix.Rd: Remove deprecated \code{language} argument.
252    
253    2007-04-15  Ingo Feinerer  <h0125130@wu-wien.ac.at>
254    
255            * R/resolve.R (resolveISOCode): Added ISO 639-1 codes for
256            languages with available stopwords.
257    
258    2007-04-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
259    
260            * inst/doc/tm.Rnw: Minor corrections in the vignette.
261    
262    2007-04-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
263    
264            * DESCRIPTION: Update to version 0.2, since a lot of new features
265            have been integrated.
266    
267            * inst/stopwords: Updated existing stopwords and added stopwords
268            for various other languages.
269    
270    2007-04-10  Ingo Feinerer  <h0125130@wu-wien.ac.at>
271    
272            * man/: Updated documentation.
273    
274            * Work/testDb.R: Script to test database stuff.
275    
276            * R/: Fixed various database related bugs. Seems to be rather
277            useable now, i.e., consider as alpha status for now.
278    
279    2007-04-08  Ingo Feinerer  <h0125130@wu-wien.ac.at>
280    
281            * R/: Fixed some bugs related to database support.
282    
283    2007-04-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
284    
285            * man/: Added a lot of examples to the manuals.
286    
287    2007-04-05  Ingo Feinerer  <h0125130@wu-wien.ac.at>
288    
289            * man/: Updated parts of the documentation.
290    
291            * R/textdoccol.R (asPlain): Added conversion from newsgroup
292            documents to plain text documents.
293    
294    2007-04-01  Ingo Feinerer  <h0125130@wu-wien.ac.at>
295    
296            * R/textdoccol.R: Finished experimental database support. Not yet
297            intensively tested.
298    
299            * R/source.R: Now each source has a default reader.
300    
301            * R/reader.R: \code{FunctionGenerator} is now an attribute, not a
302            class anymore.
303    
304            * R/plaintextdoc.R: Custom show method for plain text documents.
305    
306            * R/aobjects.R: Added a class for structured text documents.
307    
308            * R/reader.R: Replaced remaining \code{parser} occurrences with
309            \code{reader}.
310    
311            * R/textdoccol.R (summary): Indent tags.
312    
313            * R/textdoccol.R (removePunctuation): Transform method to remove
314            punctuation marks.
315    
316    2007-03-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
317    
318            * R/textdoccol.R (sFilter): Simplified sFilter significantly by
319            using prescindMeta().
320    
321    2007-03-18  Ingo Feinerer  <h0125130@wu-wien.ac.at>
322    
323            * R/textdoccol.R: Improved database support.
324    
325    2007-03-16  Ingo Feinerer  <h0125130@wu-wien.ac.at>
326    
327            * R/termdocmatrix.R (TermDocMatrix): Uses sparse matrices.
328    
329            * R/resolve.R (resolveISOcode): Extracts the language from a ISO
330            language code.
331    
332            * R/textdoccol.R (TextDocCol): Refactored several parser arguments
333            into parserControl argument.
334    
335            * R/aobjects.R (TextDocument): Introduced the "Language" slot.
336    
337    2007-03-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
338    
339            * Work/tmDataSetup.R: The datasets acq and crude can now be
340            created on the fly.
341    
342            * R/stopwords.R: Introduced a function returning the stopwords for
343            a given language (English, German and French at the moment)
344    
345            * R/textdoccol.R (stemDoc): Stemming uses Rstem if available,
346            otherwise falls back to Snowball package.
347    
348    2007-01-30  Ingo Feinerer  <h0125130@wu-wien.ac.at>
349    
350            * man/dissimilarity-methods.Rd: Make clear that any method offered
351            by "dists" from package "cba" can be used.
352    
353    2007-01-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
354    
355            * inst/doc/tm.Rnw: Fixed quotes-appearing-as-boxes-bug according
356            to Kurt's latex suggestion. Removed points and underscores in
357            variable names for consistent naming.
358    
359            * DESCRIPTION: Update to version 0.1-2.
360    
361            * man/TextRepository.Rd: Fixed bug in documentation.
362    
363    2007-01-12  Ingo Feinerer  <h0125130@wu-wien.ac.at>
364    
365            * DESCRIPTION: Update to version 0.1-1.
366    
367    2007-01-09  Ingo Feinerer  <h0125130@wu-wien.ac.at>
368    
369            * R/textdoccol.R (stemDoc): Use Rstem::wordStem instead of
370            wordStem.
371    
372    2007-01-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
373    
374            * R/: Changes due to Kurt's review.
375    
376    2006-12-31  Ingo Feinerer  <h0125130@wu-wien.ac.at>
377    
378            * R/: Implemented improvements based upon comments by David
379            Meyer.
380    
381    2006-12-17  Ingo Feinerer  <h0125130@wu-wien.ac.at>
382    
383            * inst/doc/: Rewrote vignette.
384    
385            * man/: Improved documentation.
386    
387    2006-12-16  Ingo Feinerer  <h0125130@wu-wien.ac.at>
388    
389            * man/: Updated documentation.
390    
391            * DESCRIPTION: Changed package name to "tm". Updated version to
392            0.1 for first CRAN release.
393    
394            * inst/texts/gmane.comp.lang.r.general.mbox: mbox Gmane R mailing
395            list archive example.
396    
397            * inst/texts/gmane.comp.lang.r.gr.rdf: RSS Gmane R mailing list
398            archive example.
399    
400            * R/preprocess.R (convert_mbox_eml): A simple e-mail converter
401            from (several mails per box) mbox format to (single mail per file)
402            eml format.
403    
404    2006-12-08  Ingo Feinerer  <h0125130@wu-wien.ac.at>
405    
406            * data/crude.rda: Rebuilt.
407    
408            * data/acq.rda: Rebuilt.
409    
410            * R/reader.R: Factored out reader and parser methods from
411            textdoccol.R.
412    
413            * R/source.R: Factored out Source methods from aobjects.R and
414            textdoccol.R.
415            (GmaneRSource): Encapsulates Gmane R mailing list archive RSS
416            feeds.
417    
418            * R/textdoccol.R (DirSource): Added support for recursive
419            traversal of directories.
420    
421    2006-12-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
422    
423            * R/textdoccol.R ([[): Loads the document corpus automatically
424            into memory upon access.
425            (tm_transform, tm_filter): Removed several checks whether the
426            document is already loaded ([[ ensures this now).
427            (gmane_r_reader): Reader for RSS feeds as provided by the Gmane R
428            mailing list archive.
429    
430    2006-12-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
431    
432            * R/aobjects.R (TextDocument): Is now a virtual class.
433            (Source): Is now a virtual class.
434    
435    2006-12-05  Ingo Feinerer  <h0125130@wu-wien.ac.at>
436    
437            * R/textdoccol.R (c): Support for an arbitrary number of document
438            collections.
439    
440    2006-11-26  Ingo Feinerer  <h0125130@wu-wien.ac.at>
441    
442            * R/textrepo.R: Updated TextRepository (constructor), append_elem,
443            append_meta and remove_meta.
444    
445            * R/textdoccol.R: Removed modify_metadata method.
446    
447            * R/textrepo.R: Removed modify_metadata method.
448    
449            * R/textdoccol.R (remove_meta): Supports removal of document
450            collection metadata and document (= in data frame) metadata.
451    
452    2006-11-23  Ingo Feinerer  <h0125130@wu-wien.ac.at>
453    
454            * R/textdoccol.R (append_doc): Bug fix for handling empty metadata.
455    
456            * data/crude.rda: Rebuilt.
457    
458            * data/acq.rda: Rebuilt.
459    
460            * inst/doc/textmin.Rnw: Updated vignette to reflect code changes.
461    
462            * R/textdoccol.R ([): Bug fix for subsetting a document
463            collection's data frame.
464    
465    2006-11-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
466    
467            * R/textdoccol.R: Bug fixes in s_filter. Added full query support
468            to s_filter.
469    
470            * R/textdoccol.R: Local text documents' metadata can now be copied
471            to a document collection's data frame with prescind_meta.
472    
473    2006-11-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
474    
475            * R/: Text documents' slot metadata is now accessible in s_filter.
476    
477            * R/: Rewrote s_filter function (has still some restrictions).
478    
479    2006-11-20  Ingo Feinerer  <h0125130@wu-wien.ac.at>
480    
481            * R/: Various fixes in handling metadata.
482    
483            * R/: Added update mechanism for text document collections.
484    
485    2006-11-19  Ingo Feinerer  <h0125130@wu-wien.ac.at>
486    
487            * R/: Merging of document collections now creates a binary tree
488            for reconstructing merged document collections.
489    
490            * R/: Redesign of metadata for document collections.
491    
492    2006-11-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
493    
494            * R/: Messages now use \code{ngettext}.
495    
496    2006-11-03  Ingo Feinerer  <h0125130@wu-wien.ac.at>
497    
498            * R/: Added functions for modifying and removing metadata.
499    
500    2006-11-01  Ingo Feinerer  <h0125130@wu-wien.ac.at>
501    
502            * man/: Updated some documentation.
503    
504            * R/: Corrected some connection issues.
505    
506            * inst/doc: Worked on the vignette.
507    
508    2006-10-31  Ingo Feinerer  <h0125130@wu-wien.ac.at>
509    
510            * inst/: Added texts and started vignette.
511    
512            * R/: Final changes based upon David's comments.
513    
514    2006-10-29  Ingo Feinerer  <h0125130@wu-wien.ac.at>
515    
516            * NAMESPACE: Corrected exports (generic methods need exportMethods
517            directives!).
518    
519    2006-10-26  Ingo Feinerer  <h0125130@wu-wien.ac.at>
520    
521            * R/: Modified the TextDocCol constructur and various parsers. It
522            is now modular and supports various file formats via plugins (see
523            the new "Source" class).
524    
525    2006-10-24  Ingo Feinerer  <h0125130@wu-wien.ac.at>
526    
527            * man/: Revised documentation after previous code changes.
528    
529    2006-10-23  Ingo Feinerer  <h0125130@wu-wien.ac.at>
530    
531            * R/: Remaining changes as discussed with David.
532    
533    2006-10-22  Ingo Feinerer  <h0125130@wu-wien.ac.at>
534    
535            * R/: Some changes as suggested by David. The rest will follow
536            within the next days.
537    
538    2006-09-26  Ingo Feinerer  <h0125130@wu-wien.ac.at>
539    
540            * man/: Finished documentation.
541    
542    2006-09-25  Ingo Feinerer  <h0125130@wu-wien.ac.at>
543    
544            * man/: Wrote some documentation.
545    
546    2006-09-24  Ingo Feinerer  <h0125130@wu-wien.ac.at>
547    
548            * R/: Further syntactic sugar in form of additional assignment and
549            accessor methods.
550    
551    2006-09-13  Ingo Feinerer  <h0125130@wu-wien.ac.at>
552    
553            * R/: Syntactic sugar in form of "length", "show" and "summary"
554            operators.
555    
556    2006-08-24  Ingo Feinerer  <h0125130@wu-wien.ac.at>
557    
558            * R/: Diverse updates. Mainly on default operators ("[" or "c")
559            and dissimilarities.
560    
561    2006-08-12  Ingo Feinerer  <h0125130@wu-wien.ac.at>
562    
563            * R/: Added similarity functions.
564    
565            * data/: Added english stopwords.
566    
567    2006-08-07  Ingo Feinerer  <h0125130@wu-wien.ac.at>
568    
569            * data/: Examples compiled for new features
570    
571            * R/: Changes due to new structure.
572    
573            * NAMESPACE: Corrected namespace to reflect new structure.
574    
575            * R/termdocmatrix.R: Adapted for new naming scheme.
576    
577    2006-08-06  Ingo Feinerer  <h0125130@wu-wien.ac.at>
578    
579            * R/textdoccol.R: Adapted code for new class structure. Wrote
580            several transform and filter functions operating on text document
581            collections (alias text document databases).
582    
583            * R/aobjects.R: Adapted class structure with inheritance,
584            repositories and additional meta data. Loading files on demand is
585            now possible.
586    
587    2006-07-13  Ingo Feinerer  <h0125130@wu-wien.ac.at>
588    
589            * R/: Some cosmetic cleanups.
590    
591            * inst/: Removed vignette on clustering. That and much more is now
592            described in the JSS paper on text mining. Based upon that
593            article an elaborated vignette will be incorporated in the future.
594    
595    2006-07-01  Ingo Feinerer  <h0125130@wu-wien.ac.at>
596    
597            * R/: Updated generic S4 methods to comply with signature changes
598            in newer versions of R (> 2.3)
599    
600    2006-03-12  Ingo Feinerer  <h0125130@wu-wien.ac.at>
601    
602            * ext/R/importRIS.R: Automatic RIS import is now possible.
603    
604    2006-02-14  Ingo Feinerer  <h0125130@wu-wien.ac.at>
605    
606            * R/textdoccol.R: Added RIS HTML input format.
607    
608    2006-01-21  Ingo Feinerer  <h0125130@wu-wien.ac.at>
609    
610            * R/textdoccol.R: Removed bug that caused invalid text document
611            collections when handling many input files.
612    
613  2006-01-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>  2006-01-11  Ingo Feinerer  <h0125130@wu-wien.ac.at>
614    
615          * R/textdoccol.R: Restructured and extended file import          * R/textdoccol.R: Restructured and extended file import

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