* Replace underscores with hyphens

* remove temporary code

* fix style check

* fix collapse

* replace exit with assert in test_single_page

* improve save_raw_single_page docs option

* More grammar fixes

* "Built from" link in new tab

* fix mistype

* Example of include in docs

* add anchor to meeting form

* Draft of translation helper

* WIP on translation helper

* Replace some fa docs content with machine translation

* add normalize-en-markdown.sh

* normalize some en markdown

* normalize some en markdown

* admonition support

* normalize

* normalize

* normalize

* support wide tables

* normalize

* normalize

* normalize

* normalize

* normalize

* normalize

* normalize

* normalize

* normalize

* normalize

* normalize

* normalize

* normalize

* lightly edited machine translation of introdpection.md

* lightly edited machhine translation of lazy.md

* WIP on translation utils

* Normalize ru docs

* Normalize other languages

* some fixes

* WIP on normalize/translate tools

* add requirements.txt

* [experimental] add es docs language as machine translated draft

* remove duplicate script

* Back to wider tab-stop (narrow renders not so well)

* Typo fix.

* Links fix.

* Fixed links in docs.

* More fixes.

* docs/en: cleaning some files

* docs/en: cleaning data_types

* docs/en: cleaning database_engines

* docs/en: cleaning development

* docs/en: cleaning getting_started

* docs/en: cleaning interfaces

* docs/en: cleaning operations

* docs/en: cleaning query_lamguage

* docs/en: cleaning en

* docs/ru: cleaning data_types

* docs/ru: cleaning index

* docs/ru: cleaning database_engines

* docs/ru: cleaning development

* docs/ru: cleaning general

* docs/ru: cleaning getting_started

* docs/ru: cleaning interfaces

* docs/ru: cleaning operations

* docs/ru: cleaning query_language

* docs: cleaning interfaces/http

* Update docs/en/data_types/array.md

decorated ```
Co-Authored-By: NBayoNet <da-daos@yandex.ru>

* Update docs/en/getting_started/example_datasets/nyc_taxi.md

fixed typo
Co-Authored-By: NBayoNet <da-daos@yandex.ru>

* Update docs/en/getting_started/example_datasets/ontime.md

fixed typo
Co-Authored-By: NBayoNet <da-daos@yandex.ru>

* Update docs/en/interfaces/formats.md

fixed error
Co-Authored-By: NBayoNet <da-daos@yandex.ru>

* Update docs/en/operations/table_engines/custom_partitioning_key.md
Co-Authored-By: NBayoNet <da-daos@yandex.ru>

* Update docs/en/operations/utils/clickhouse-local.md
Co-Authored-By: NBayoNet <da-daos@yandex.ru>

* Update docs/en/query_language/dicts/external_dicts_dict_sources.md
Co-Authored-By: NBayoNet <da-daos@yandex.ru>

* Update docs/en/operations/utils/clickhouse-local.md
Co-Authored-By: NBayoNet <da-daos@yandex.ru>

* Update docs/en/query_language/functions/json_functions.md
Co-Authored-By: NBayoNet <da-daos@yandex.ru>

* Update docs/en/query_language/functions/json_functions.md
Co-Authored-By: NBayoNet <da-daos@yandex.ru>

* Update docs/en/query_language/functions/other_functions.md
Co-Authored-By: NBayoNet <da-daos@yandex.ru>

* Update docs/en/query_language/functions/other_functions.md
Co-Authored-By: NBayoNet <da-daos@yandex.ru>

* Update docs/en/query_language/functions/date_time_functions.md
Co-Authored-By: NBayoNet <da-daos@yandex.ru>

* Update docs/en/operations/table_engines/jdbc.md
Co-Authored-By: NBayoNet <da-daos@yandex.ru>

* docs: fixed error

* docs: fixed error

* Doc fixes: rm anchors <a>

* Doc fixes: rm anchors <a>

* Doc fixes: fix links

* Doc fixes: fix the links

* CLICKHOUSE-4063: less manual html @ index.md

* CLICKHOUSE-4063: recommend markdown="1" in README.md

* CLICKHOUSE-4003: manually purge custom.css for now

* CLICKHOUSE-4064: expand <details> before any print (including to pdf)

* CLICKHOUSE-3927: rearrange interfaces/formats.md a bit

* CLICKHOUSE-3306: add few http headers

* Remove copy-paste introduced in #3392

* Hopefully better chinese fonts #3392

* get rid of tabs @ custom.css

* Apply comments and patch from #3384

* Add jdbc.md to ToC and some translation, though it still looks badly incomplete

* minor punctuation

* Add some backlinks to official website from mirrors that just blindly take markdown sources

* Do not make fonts extra light

* find . -name '*.md' -type f | xargs -I{} perl -pi -e 's//g' {}

* find . -name '*.md' -type f | xargs -I{} perl -pi -e 's/ sql/g' {}

* Remove outdated stuff from roadmap.md

* Not so light font on front page too

* Refactor Chinese formats.md to match recent changes in other languages

* Update some links on front page

* Remove some outdated comment

* Add twitter link to front page

* More front page links tuning

* Add Amsterdam meetup link

* Smaller font to avoid second line

* Add Amsterdam link to README.md

* Proper docs nav translation

* Back to 300 font-weight except Chinese

* fix docs build

* Update Amsterdam link

* remove symlinks

* more zh punctuation

* apply lost comment by @zhang2014

* Apply comments by @zhang2014 from #3417

* Remove Beijing link

* rm incorrect symlink

* restore content of docs/zh/operations/table_engines/index.md

* CLICKHOUSE-3751: stem terms while searching docs

* CLICKHOUSE-3751: use English stemmer in non-English docs too

* CLICKHOUSE-4135 fix

* Remove past meetup link

* Add blog link to top nav

* Add ContentSquare article link

* Add form link to front page + refactor some texts

* couple markup fixes

* minor

* Introduce basic ODBC driver page in docs

* More verbose 3rd party libs disclaimer

* Put third-party stuff into a separate folder

* Separate third-party stuff in ToC too

* Update links

* Move stuff that is not really (only) a client library into a separate page

* Add clickhouse-hdfs-loader link

* Some introduction for "interfaces" section

* Rewrite tcp.md

* http_interface.md -> http.md

* fix link

* Remove unconvenient error for now

* try to guess anchor instead of failing

* remove symlink

* Remove outdated info from introduction

* remove ru roadmap.md

* replace ru roadmap.md with symlink

* Update roadmap.md

* lost file

* Title case in toc_en.yml

* Sync "Functions" ToC section with en

* Remove reference to pretty old ClickHouse release from docs

* couple lost symlinks in fa

* Close quote in proper place

* Rewrite en/getting_started/index.md

* Sync en<>ru getting_started/index.md

* minor changes

* Some gui.md refactoring

* Translate DataGrip section to ru

* Translate DataGrip section to zh

* Translate DataGrip section to fa

* Translate DBeaver section to fa

* Translate DBeaver section to zh

* Split third-party GUI to open-source and commercial

* Mention some RDBMS integrations + ad-hoc translation fixes

* Add rel="external nofollow" to outgoing links from docs

* Lost blank lines

* Fix class name

* More rel="external nofollow"

* Apply suggestions by @sundy-li

* Mobile version of front page improvements

* test

* test 2

* test 3

* Update LICENSE

* minor docs fix

* Highlight current article as suggested by @sundy-li

* fix link destination

* Introduce backup.md (only "en" for now)

* Mention INSERT+SELECT in backup.md

* Some improvements for replication.md

* Add backup.md to toc

* Mention clickhouse-backup tool

* Mention LightHouse in third-party GUI list

* Introduce interfaces/third-party/proxy.md

* Add clickhouse-bulk to proxy.md

* Major extension of integrations.md contents

* fix link target

* remove unneeded file

* better toc item name

* fix markdown

* better ru punctuation

* Add yet another possible backup approach

* Simplify copying permalinks to headers

* Support non-eng link anchors in docs + update some deps

* Generate anchors for single-page mode automatically

* Remove anchors to top of pages

* Remove anchors that nobody links to

* build fixes

* fix few links

* restore css

* fix some links

* restore gifs

* fix lost words

* more docs fixes

* docs fixes

* NULL anchor

* update urllib3 dependency

* more fixes

* Update index.md

* Update decimal.md

* Update system_tables.md

* Update summingmergetree.md

* Update of english version of descriprion of the table function `file`.

* New syntax for ReplacingMergeTree.
Some improvements in text.

* Significantly change article about SummingMergeTree.
Article is restructured, text is changed in many places of the document. New syntax for table creation is described.

* Descriptions of AggregateFunction and AggregatingMergeTree are updated. Russian version.

* New syntax for new syntax of CREATE TABLE

* Added english docs on Aggregating, Replacing and SummingMergeTree.

* CollapsingMergeTree docs. English version.

* 1. Update of CollapsingMergeTree. 2. Minor changes in markup

* Update aggregatefunction.md

* Update aggregatefunction.md

* Update aggregatefunction.md

* Update aggregatingmergetree.md

* GraphiteMergeTree docs update.
New syntax for creation of Replicated* tables.
Minor changes in *MergeTree tables creation syntax.

* Markup fix

* Markup and language fixes

* Clarification in the CollapsingMergeTree article

New syntax for creation of Replicated* tables.
Minor changes in *MergeTree tables creation syntax.

* CLICKHOUSE-4063: less manual html @ index.md

* CLICKHOUSE-4063: recommend markdown="1" in README.md

* CLICKHOUSE-4003: manually purge custom.css for now

* CLICKHOUSE-4064: expand <details> before any print (including to pdf)

* CLICKHOUSE-3927: rearrange interfaces/formats.md a bit

* CLICKHOUSE-3306: add few http headers

* Remove copy-paste introduced in #3392

* Hopefully better chinese fonts #3392

* get rid of tabs @ custom.css

* Apply comments and patch from #3384

* Add jdbc.md to ToC and some translation, though it still looks badly incomplete

* minor punctuation

* Add some backlinks to official website from mirrors that just blindly take markdown sources

* Do not make fonts extra light

* find . -name '*.md' -type f | xargs -I{} perl -pi -e 's//g' {}

* find . -name '*.md' -type f | xargs -I{} perl -pi -e 's/ sql/g' {}

* Remove outdated stuff from roadmap.md

* Not so light font on front page too

* Refactor Chinese formats.md to match recent changes in other languages

Article is restructured, text is changed in many places of the document. New syntax for table creation is described.

This reverts commit cdb2c8a7.

This reverts commit 0704da57, reversing
changes made to 4534d449.

allow empty parts after merge for Summing, Collapsing and VersionedCollapsing engines [#CLICKHOUSE-3879]

* Additional .gitignore entries

* Merge a bunch of small articles about system tables into single one

* Merge a bunch of small articles about formats into single one

* Adapt table with formats to English docs too

* Add SPb meetup link to main page

* Move Utilities out of top level of docs (the location is probably not yet final) + translate couple articles

* Merge MacOS.md into build_osx.md

* Move Data types higher in ToC

* Publish changelog on website alongside documentation

* Few fixes for en/table_engines/file.md

* Use smaller header sizes in changelogs

* Group up table engines inside ToC

* Move table engines out of top level too

* Specificy in ToC that query language is SQL based. Thats a bit excessive, but catches eye.

* Move stuff that is part of query language into respective folder

* Move table functions lower in ToC

* Lost redirects.txt update

* Do not rely on comments in yaml + fix few ru titles

* Extract major parts of queries.md into separate articles

* queries.md has been supposed to be removed

* Fix weird translation

* Fix a bunch of links

* There is only table of contents left

* "Query language" is actually part of SQL abbreviation

* Change filename in README.md too

* fix mistype

Added linefeed.