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Changelog

All notable changes to this project will be documented in this file. The format is based on Keep a Changelog.

[0.11.0] - 2024-03-07

Added

  • Add {line,char}_dir{,rotated,render} params, to provide better support for non–top-to-bottom, left-to-right text (h/t @afriedman412). (850fd45)
  • Add curve["path"] and curve["dash"], thanks to pdfminer.six upgrade (see below). (1820247)

Changed

  • Upgrade pdfminer.six from 20221105 to 20231228. (cd2f768)
  • Change value of in word["direction"] from {1,-1} to {"ltr","rtl","ttb","btt"}. (850fd45)
  • Deprecate vertical_ttb, horizontal_ltr in favor of char_dir and char_dir_rotated.(850fd45)

Fixed

  • Fix layout-caching issue caused by 0bfffc2. (#1097 + efca277)
  • Fix missing ParentTree edge-case. (#1094))

[0.10.4] - 2024-02-10

Added

  • Add x_tolerance_ratio parameter to extract_text and similar functions, to account for text size when spacing characters (instead of a fixed number of pixels) (h/t @afriedman412). (#1041)
  • Add support for PDF 1.3 logical structure via Page.structure_tree (h/t @dhdaines). (#963)
  • Add "gswin64c" as another possible Ghostscript executable in repair.py (h/t @echedey-ls). (#1032)
  • Re-add Page.close() method, have PDF.close() close all pages as well, and improve relevant documentation (h/t @luketudge). (#1042)
  • Add force_mediabox parameter to Page.to_image(...). (#1054)

Fixed

  • Standardize handling of cropbox, fixing various issues with PageImage. (#1054)
  • Fix Page.get_textmap caching to allow for extra_attrs=[...], by preconverting list kwargs to tuples. (#1030)
  • Explicitly close pypdfium2.PdfDocument in get_page_image (h/t @dhdaines). (#1090)
  • In PDFPageAggregatorWithMarkedContent.tag_cur_item, check self.cur_item._objs length before trying to access [-1]. (4f39d03)

[0.10.3] - 2023-10-26

Added

  • Add support for marked-content sequences, represented by mcid and tag attributes on char/rect/line/curve/image objects (h/t @dhdaines). (#961)
  • Add gs_path argument to pdfplumber.open(...) and pdfplumber.repair(...), to allow passing a custom Ghostscript path to be used for repairing. (#953)

Fixed

  • Respect use_text_flow in extract_text (h/t @dhdaines). (#983)

[0.10.2] - 2023-07-29

Added

  • Add PDF.path: A Path object for PDFs loaded by passing a path (unless repair=True), and None otherwise. (30a52cb + #948)

  • Accept Iterable objects for geometry utils (h/t @dhdaines). (53bee23 + #945)

Changed

  • Use pypdfium2's public (not private) .render(...) method (h/t @mara004). (28f4ebe + #899)

Fixed

  • Fix .to_image() for ZipExtFiles (h/t @Urbener). (30a52cb + #948)

[0.10.1] - 2023-07-19

Added

  • Add antialias boolean parameter to Page.to_image(...) and associated methods (h/t @cmdlineluser). (7e28931)

[0.10.0] - 2023-07-16

Changed

  • Normalize color representation to tuple[float|int, ...] (#917). (57d51bb)
  • Replace Wand with pypdfium2 for page.to_image(...). (b049373)

Added

  • Add pdfplumber.repair(...) and .open(repair=True) (#824). (db6ae97)
  • Add Page.find_table(...) (#873). (3772af6)
  • Add quantize=True, colors=256, bits=8 arguments/defaults to PageImage.save(...). (b049373)
  • Extract and handle patterns + (some) color spaces. (97ca4b0)

Removed

Fixed

  • Fix bug for re-crops that use relative=True (#914). (0de6da9)
  • Handle use_text_flow more consistently (#912). (b1db5b8)

[0.9.0] - 2023-04-13

Changed

  • Make word segmentation (via WordExtractor.char_begins_new_word(...)) more explict and rigorous; should help in catching edge-cases in the future. (6acd580 + ebb93ea + #840)
  • Use curve_edge objects (instead of just line and rect_edge objects) in default table-detection strategy. (6f6b465 + #858)
  • By default, expand ligatures into their consituent letters (e.g., ffi to ffi), and add the expand_ligatures boolean parameter to text-extraction methods. (86e935d + #598)

Added

  • Add Page.extract_text_lines(...) method. (4b37397 + #852)
  • Add main_group, return_groups, return_chars parameters to Page.search(...). (4b37397)
  • Add .curve_edges property to PDF and Page. (6f6b465)

Fixed

  • Fix handling of bytes-typed fontnames. (9441ff7 + #461 + #842)
  • Fix handling of whitespace-only and empty results of Page.search(...). (6f6b465 + #853)

[0.8.1] - 2023-04-08

Fixed

  • Fix x0>x1/etc. error for when drawing rect fills, per new Pillow version (db136b7)

[0.8.0] - 2023-02-13

Changed

  • Change the (still experimental) Page/utils.extract_text(layout=True) approach so that it pads, to the degree necessary, the ends of lines with spaces and the end of the text with blank lines to acheive better mimicry of page layout. (d3662de)
  • Refactor handling of pts attribute and, in doing so, deprecate the curve_obj["points"] attribute, and fix PageImage.draw_line(...)'s handling of diagonal lines. (216bedd)
  • Breaking change: In Page.extract_table[s](...), keep_blank_chars must now be passed as text_keep_blank_chars, for consistency's sake. (c4e1b29)

Added

  • Add Page.extract_table[s](...) support for all Page.extract_text(...) keyword arguments. (c4e1b29)
  • Add height and width keyword arguemnts to Page.to_image(...). (#798 + 93f7dbd)
  • Add layout_width, layout_width_chars, layout_height, and layout_width_chars parameters to Page/utils.extract_text(layout=True). (d3662de)
  • Add CITATION.cff. (#755) [h/t @joaoccruz]

Fixed

  • Fix simple edge-case for when page rotation is (incorrectly) set to None. (#811) [h/t @toshi1127]

Development Changes

  • Convert utils.py into utils/ submodules. Retains same interface, just an improvement in organization. (6351d97)
  • Fix typing hints to include io.BytesIO. (d4107f6) [h/t @conitrade-as]
  • Refactor text-extraction utilities, paving way for better consistency across various entrypoints to text extraction (e.g., via utils.extract_text(...), via Page.extract_text(...), via Page.extract_table(...)). (3424b57)

[0.7.6] - 2022-11-22

Changed

  • Bump pinned pdfminer.six version to 20221105. (e63a038)

Fixed

Development Changes

  • Upgrade nbexec development requirement from 0.1.0 to 0.2.0. (30dac25)

[0.7.5] - 2022-10-01

Added

  • Add PageImage.show() as alias for PageImage.annotated.show(). (#715 + 5c7787b)

Fixed

  • Fixed issue where py.typed file was not included in PyPi distribution. (#698 + #703 + 6908487) [h/t @jhonatan-lopes]
  • Reinstated the ability to call utils.cluster_objects(...) with any hashable value (str, int, tuple, etc.) as the key_fn parameter, reverting breaking change in 58b1ab1. (#691 + 1e97656) [h/t @jfuruness]

Development Changes

  • Update Wand version in requirements.txt from >=0.6.7 to >=0.6.10. (#713 + 3457d79)

[0.7.4] - 2022-07-19

Added

  • Add utils.outside_bbox(...) and Page.outside_bbox(...) method, which are the inverse of utils.within_bbox(...) and Page.within_bbox(...). (#369 + 3ab1cc4)
  • Add strict=True/False parameter to Page.crop(...), Page.within_bbox(...), and Page.outside_bbox(...); default is True, while False bypasses the test_proposed_bbox(...) check. (#421 + 71ad60f)
  • Add more guidance to exception when .to_image(...) raises PIL.Image.DecompressionBombError. (#413 + b6ff9e8)

Fixed

  • Fix PageImage conversions for PDFs with cmyk colorspaces; convert them to rgb earlier in the process. (28330da)

[0.7.3] - 2022-07-18

Fixed

  • Quick fix for transparency issue in visual debugging mode. (b98dd7c)

[0.7.2] - 2022-07-17

Added

Changed

  • Change .to_image(...)'s approach, preferring to composite with a white background instead of removing the alpha channel. (1cd1f9a)

Fixed

  • Fix bug in LayoutEngine.calculate(...) when processing char objects with len>1 representations, such as ligatures. (#683)

[0.7.1] - 2022-05-31

Fixed

  • Fix bug when calling PageImage.debug_tablefinder() (i.e., with no parameters). (#659 + 063e2ed) [h/t @rneumann7]

Development Changes

  • Add Makefile target for examples, as well as dev requirements to support re-running the example notebooks automatically. (ef065a7)

[0.7.0] - 2022-05-27

Added

  • Add "matrix" property to char objects, representing the current transformation matrix. (ae6f99e)
  • Add pdfplumber.ctm submodule with class CTM, to calculate scale, skew, and translation of a current transformation matrix obtained from a char's "matrix" property. (ae6f99e)
  • Add page.search(...), an experimental feature that allows you to search a page's text via regular expressions and non-regex strings, returning the text, any regex matches, the bounding box coordinates, and the char objects themselves. (#201 + 58b1ab1)
  • Add --include-attrs/--exclude-attrs to CLI (and corresponding params to .to_json(...), .to_csv(...), and Serializer. (4deac25)
  • Add py.typed for PEP561 compatibility and detection of typing hints by mypy. (ca795d1) [h/t @jhonatan-lopes]

Changed

  • Bump pinned pdfminer.six version to 20220524. (486cea8)

Removed

  • Remove utils.collate_chars(...), the old name (and then alias) for utils.extract_text(...). (24f3532)
  • Remove utils._itemgetter(...), an internal-use method previously used by utils.cluster_objects(...). (58b1ab1)

Fixed

  • Fix IndexError bug for .extract_text(layout=True) on pages without text. (#658 + ad3df11) [h/t @ethanscorey]

[0.6.2] - 2022-05-06

Added

  • Add type annotations, and refactor parts of the library accordingly. (9587cc7)
  • Add enforcement of type annotations via mypy --strict. (cdfdb87)
  • Add final bits of test coverage. (feb9d08)
  • Add TableSettings class, a behind-the-scenes handler for managing and validating table-extraction settings. (9587cc7)

Changed

  • Rename the positional argument to .to_csv(...) and .to_json(...) from types to object_types. (9587cc7)
  • Tweak the output of .to_json(...) so that, if an object type is not present for a given page, it has no key in the page's object representation. (9587cc7)

Removed

  • Remove utils.filter_objects(...) and move the functionality to within the FilteredPage.objects property calculation, the only part of the library that used it. (9587cc7)
  • Remove code that sets pdfminer.pdftypes.STRICT = True and pdfminer.pdfinterp.STRICT = True, since that has now been the default for a while. (9587cc7)

[0.6.1] - 2022-04-23

Changed

  • Bump pinned pdfminer.six version to 20220319. (e434ed0)
  • Bump minimum Pillow version to >=9.1. (d88eff1)
  • Drop support for Python 3.6 (EOL Dec. 2021) (a32473e)

Fixed

  • If pdfplumber.open(...) opens a file but a pdfminer.pdfparser.PSException is raised during the process, pdfplumber now makes sure to close that file. (#581 + (#578) [h/t @johnhuge]
  • Fix incompatibility with Pillow>=9.1. (#637)

[0.6.0] - 2021-12-21

Added

  • Add .extract_text(layout=True), an experimental feature which attempts to mimic the structural layout of the text on the page. (#10)
  • Add utils.merge_bboxes(bboxes), which returns the smallest bounding box that contains all bounding boxes in the bboxes argument. (f8d5e70)
  • Add --precision argument to CLI (#520)
  • Add snap_x_tolerance and snap_y_tolerance to table extraction settings. (#51 + #475) [h/t @dustindall]
  • Add join_x_tolerance and join_y_tolerance to table extraction settings. (cbb34ce)

Changed

  • Upgrade pdfminer.six from 20200517 to 20211012; see that library's changelog for details, but a key difference is an improvement in how it assigns line, rect, and curve objects. (Diagonal two-point lines, for instance, are now line objects instead of curve objects.) (#515)
  • Remove Decimal-ization of parsed object attributes, which are now represented with as much precision as is returned by pdfminer.six (#346 + #520)
  • .extract_text(...) returns "" instead of None when character list is empty. (#482 + cb9900b) [h/t @tungph]
  • .extract_words(...) now includes doctop among the attributes it returns for each word. (66fef89)
  • Change behavior of horizontal text_strategy, so that it uses the top and bottom of every word, not just the top of every word and the bottom of the last. (#467 + #466 + #265) [h/t @bobluda + @samkit-jain]
  • Change table.merge_edges(...) behavior when join_tolerance (and x/y variants) <= 0, so that joining is attempted regardless, to handle cases of overlapping lines. (cbb34ce)
  • Raise error if certain table-extraction settings are negative. (aa2d594)

Fixed

  • Fix slowdown in .extract_words(...)/WordExtractor.iter_chars_to_words(...) on very long words, caused by repeatedly re-calculating bounding box. (#483)
  • Handle UnicodeDecodeError when trying to decode utf-16-encoded annotations (#463) [h/t @tungph]
  • Fix crash when extracting tables with null values in (text|intersection)_(x|y)_tolerance settings. (#539) [h/t @yoavxyoav]

Removed

  • Remove pdfplumber.load(...) method, which has been deprecated since 0.5.23 (54cbbc5)

Development Changes

  • Add CONTRIBUTING.md (#428)
  • Enforce import order via isort (d72b879)
  • Update Pillow and Wand versions in requirements.txt (cae6924)
  • Update all dependency versions in requirements-dev.txt (2f7e7ee)

[0.5.28] — 2021-05-08

Added

  • Add --laparams flag to CLI. (#407)

Changed

  • Change .convert_csv(...) to order objects first by page number, rather than object type. (#407)
  • Change .convert_csv(...), .convert_json(...), and CLI so that, by default, they returning all available object types, rather than those in a predefined default list. (#407)

Fixed

  • Fix .extract_text(...) so that it can accept generator objects as its main parameter. (#385) [h/t @alexreg]
  • Fix page-parsing so that LTAnno objects (which have no bounding-box coordinates) are not extracted. (Was only an issue when setting laparams.) (#388)
  • Fix Page.extract_table(...) so that it honors text tolerance settings (#415) [h/t @trifling]

[0.5.27] — 2021-02-28

Fixed

  • Fix regression (introduced in 0.5.26/b1849f4) in closing files opened by PDF.open
  • Reinstate access to higher-level layout objects (such as textboxhorizontal) when laparams is passed to pdfplumber.open(...). Had been removed in 0.5.24 via 1f87898. (#359 + #364)

Development Changes

  • Add a python setup.py build sdist test to main GitHub action. (#365)

[0.5.26] — 2021-02-10

Added

  • Add Page.close/__enter__/__exit__ methods, by generalizing that behavior through the Container class (b1849f4)

Changed

  • Change handling of floating point numbers; no longer convert them to Decimal objects and do not round them
  • Change TableFinder to return tables in order of topmost-and-then-leftmost, rather than leftmost-and-then-topmost (#336)
  • Change Page.to_image()'s handling of alpha layer, to remove aliasing artifacts (#340) [h/t @arlyon]

Development Changes

  • Enforce psf/black and flake8 on tests/ (#327

[0.5.25] — 2020-12-09

Added

  • Add new boolean argument strict_metadata (default False) to pdfplumber.open(...) method for handling metadata resolution failures (f2c510d)

Fixed

  • Fix metadata extraction to handle integer/floating-point values (cb32478) (#297)
  • Fix metadata extraction to handle nested metadata values (2d9415) (#316)
  • Explicitly load text as utf-8 in setup.py (7854328) (#304)
  • Fix pdfplumber.open(...) so that it does not close file objects passed to it (408605f) (#312)

[0.5.24] — 2020-10-20

Added

Changed

  • Change character attribute upright from int to bool (per original pdfminer.six representation) (1f87898)
  • Remove access and reference to Container.figures, given that they are not fundamental objects (8e74cb9)

Fixed

  • Decimalize "simple" explicit_horizontal_lines/explicit_vertical_lines descs passed to TableFinder methods (bc40779) (#290)

Development Changes

  • Refactor/simplify Page.process_objects (1f87898), utils.extract_words (c8b200e), and convert.serialize (a74d3bc)
  • Remove test_issues.py:test_pr_77 (917467a) and narrow test_ca_warn_report:test_objects (6233bbd) to speed up tests

[0.5.23] — 2020-08-15

Added

  • Add utils.resolve (non-recursive .resolve_all) (7a90630)
  • Add page.annots and page.hyperlinks, replacing non-functional page.annos, and mirroring pdfminer's language ("annot" vs. "anno"). (aa03961)
  • Add page/pdf.to_json and page/pdf.to_csv (cbc91c6)
  • Add relative=True/False parameter to .crop and .within_bbox; those methods also now raise exceptions for invalid and out-of-page bounding boxes. (047ad34) [h/t @samkit-jain]

Changed

  • Remove pdfminer.from_path and pdfminer.load as deprecated; now pdfminer.open is the canonical way to load a PDF. (00e789b)
  • Simplify the logic in "text" table-finding strategies; in edge cases, may result in changes to results. (d224202)
  • Drop support for Python 3.5 (baf1033)

Fixed

  • Fix .extract_words, which had been returning incorrect results when horizontal_ltr = False (d16aa13)
  • Fix utils.resize_object, which had been failing in various permutations (d16aa13)
  • Fix lines_strict table-finding strategy, which a typo had prevented from being usable (f0c9b85)
  • Fix utils.resolve_all to guard against two known sources of infinite recursion (cbc91c6)

Development Changes

  • Rename default branch to "stable," to clarify its purpose
  • Reformat code with psf/black (1258e09)
  • Add code linting via psf/black and flake8 (1258e09)
  • Switch from nosetests to pytest (1ac16dd)
  • Switch from pipenv to standard requirements.txt + python -m venv (48eaa51)
  • Add GitHub action for tests + codecov (b148fd1)
  • Add Makefile for building development virtual environment and running tests (4c69c58)
  • Add badges to README.md (9e42dc3)
  • Add Trove classifiers for Python versions to setup.py (6946e8d)
  • Add MANIFEST.in (eafc15c)
  • Add GitHub issue templates (c4156d6)
  • Remove pandas from dev requirements and tests (a5e7d7f)

[0.5.22] — 2020-07-18

Changed

  • Upgraded pdfminer.six requirement to ==20200517 (cddbff7) [h/t @youngquan]

Added

  • Add support for non_stroking_color attribute on char objects (0254da3) [h/t @idan-david]

[0.5.21] — 2020-05-27

Fixed

  • Fix Page.extract_table(...) to return None instead of crashing when no table is found (d64afa8) [h/t @stucka]

[0.5.20] — 2020-04-29

Fixed

  • Fix .get_page_image to prefer paths over streams, when possible (ab957de) [h/t @ubmarco]
  • Local-fix pdfminer.six's .resolve_all to handle tuples and simplify (85f422d)

Changed

  • Remove support for Python 2 and Python <3.3

[0.5.19] — 2020-04-16

Changed

  • Add utils.decimalize performance improvement (830d117) [h/t @ubmarco]

Fixed

  • Fix un-referenced method when using "text" table-finding strategy (2a0c4a2)
  • Add missing object type rect_edge to obj_to_edges() (0edc6bf)

[0.5.18] — 2020-04-01

Changed

  • Allow rect and curve objects also to be passed to "explicit_..._lines" setting when table-finding. (And disallow other types of dicts to be passed.)

Fixed

  • Fix utils.extract_text bug introduced in prior version

[0.5.17] — 2020-04-01

Fixed

  • Fix and simplify obj-in-bbox logic (see commit 25672961)
  • Improve/fix the way utils.extract_text handles vertical text (see commit 8a5d858b) [h/t @dwalton76]
  • Have Page.to_image use bytes stream instead of file path (Issue #124 / PR #179) [h/t @cheungpat]
  • Fix issue #176, in which Page.extract_tables did not pass kwargs to Table.extract [h/t @jsfenfen]

[0.5.16] — 2020-01-12

Fixed

  • Prevent custom LAParams from raising exception (Issue #168 / PR #169) [h/t @frascuchon]
  • Add six as explicit dependency (for now)

[0.5.15] — 2020-01-05

Changed

  • Upgrade pdfminer.six requirement to ==20200104
  • Upgrade pillow requirement >=7.0.0
  • Remove Python 2.7 and 3.4 from tox tests

[0.5.14] — 2019-10-06

Fixed

  • Fix sorting bug in page.extract_table()
  • Fix support for password-protected PDFs (PR #138)

[0.5.13] — 2019-08-29

Fixed

  • Fixed PDF object resolution for rotation (PR #136)

[0.5.12] — 2019-04-14

Added

  • cdecimal support for Python 2
  • Support for password-protected PDFs

[0.5.11] — 2018-11-13

Added

  • Caching for .decimalize() method

Changed

  • Upgrade to pdfminer.six==20181108
  • Make whitespace checking more robust (PR #88)

Fixed

  • Fix issue #75 (.to_image() custom arguments)
  • Fix issue raised in PR #77 (PDFObjRef resolution), and general class of problems
  • Fix issue #90, and general class of problems, by explicitly typecasting each kind of PDF Object

[0.5.10] — 2018-08-03

Fixed

  • Fix bug in which, when calling get_page_image(...), the alpha channel could make the whole page black out.

[0.5.9] — 2018-07-10

Fixed

  • Fix issue #67, in which bool-type metadata were handled incorrectly

[0.5.8] — 2018-03-06

Fixed

  • Fix issue #53, in which non-decimalize-able (non_)stroking_color properties were raising errors.

[0.5.7] — 2018-01-20

Added

  • .travis.yml, but failing on .to_image()

Changed

  • Move from defunct pycrypto to pycryptodome
  • Update pdfminer.six to 20170720

[0.5.6] — 2017-11-21

Fixed

  • Fix issue #41, in which PDF-object-referenced cropboxes/mediaboxes weren't being fully resolved.

[0.5.5] — 2017-05-10

Added

  • Access to __version__ from main namespace

Fixed

  • Fix issue #33, by checking decode_text's argument type

[0.5.4] — 2017-04-27

Fixed

  • Pin pdfminer.six to version 20151013 (for now), fixing incompatibility

[0.5.3] — 2017-02-27

Fixed

  • Allow import pdfplumber even if ImageMagick not installed.

[0.5.2] — 2017-02-27

Added

  • Access to curve points. (E.g., page.curves[0]["points"].)
  • Ability for .draw_line to draw curve points.

Changed

  • Disaggregated "min_words_vertical" (default: 3) and "min_words_horizontal" (default: 1), removing "text_word_threshold".
  • Internally, made utils.decimalize a bit more robust; now throws errors on non-decimalizable items.
  • Now explicitly ignoring some (obscure) pdfminer object attributes.
  • Raw input for .draw_line from a bounding box to ((x, y), (x, y)), for consistency with curve["points"] and with Pillow's underlying method.

Fixed

  • Fixed typo bug when .rect_edges is called before .edges

[0.5.1] — 2017-02-26

Added

  • Quick-draw PageImage methods: .draw_vline, .draw_vlines, .draw_hline, and .draw_hlines.
  • Boolean parameter keep_blank_chars for .extract_words(...) and TableFinder settings.

Changed

  • Increased default text_tolerance and intersection_tolerance TableFinder values from 1 to 3.

Fixed

  • Properly handle conversion of PDFs with transparency to pillow images.
  • Properly handle pandas DataFrames as inputs to multi-draw commands (e.g., PageImage.draw_rects(...)).

[0.5.0] - 2017-02-25

Added

  • Visual debugging features, via Page.to_image(...) and PageImage. (Introduces wand and pillow as package requirements.)
  • More powerful options for extracting data from tables. See changes below.

Changed

  • Entirely overhaul the table-extraction methods. Now based on Anssi Nurminen's master's thesis.
  • Disentangle .crop from .intersects_bbox and .within_bbox.
  • Change default x_tolerance and y_tolerance for word extraction from 5 to 3

Fixed

  • Fix bug stemming from non-decimalized page heights. [h/t @jsfenfen]

[0.4.6] - 2017-01-26

Added

  • Provide access to Page.page_number

Changed

  • Use .page_number instead of .page_id as primary identifier. [h/t @jsfenfen]
  • Change default x_tolerance and y_tolerance for word extraction from 0 to 5

Fixed

  • Provide proper support for rotated pages

[0.4.5] - 2016-12-09

Fixed

  • Fix bug stemming from when metadata includes a PostScript literal. [h/t @boblannon]

[0.4.4] - Mistakenly skipped

Whoops.

[0.4.3] - 2016-04-12

Changed

  • When extracting table cells, use chars' midpoints instead of top-points.

Fixed

  • Fix find_gutters — should ignore " " chars