[latex3-commits] [git/LaTeX3-latex3-babel] docs: Delete conflicting file (liquid). (2661156)

[Javier]

Repository : https://github.com/latex3/babel
On branch  : docs
Link       : https://github.com/latex3/babel/commit/26611563e44b2a33afd20b088780b80d773399e1

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commit 26611563e44b2a33afd20b088780b80d773399e1
Author: Javier <email at localhost>
Date:   Wed Jun 9 16:39:35 2021 +0200

    Delete conflicting file (liquid).


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26611563e44b2a33afd20b088780b80d773399e1
 .../guides/non-standard-hyphenation-with-luatex.md | 199 ---------------------
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-# Non-standard hyphenation with `luatex`
-
-{% raw %}
-
-Here is a simple example of a declaration:
-```tex
-\babelposthyphenation{ngerman}{ck}{
-  { no = c, pre = k- },
-  {}
-}
-```
-It consists of:
-* the language the transformation is applied to (here `ngerman`);
-* a pattern with the string to be handled (here `ck`);
-* a replacement with a list containing exactly the same number of
-  elements as the pattern (except if there are inserted elements, as
-  explained below).
-
-The language here refers to a set of hyphenation rules, ie, to
-`\language`. So, the first letter in the pattern is replaced with the
-first item in the list, the second letter with the second item and so
-on. (This is not strictly true, because the replace list is filled with
-nil's if shorter.)
-
-## Rules
-
-‘Automatic’ hyphenation points, as inserted by the hyphenation
-algorithm, are entered in the pattern as vertical bars (`|`). Explicit
-hyphens are entered as `=`. Spaces are allowed for clarity, but they
-are discarded.
-
-The items in the replacement list are of four kinds:
-
-1. An empty group `{}` leaves the corresponding item **untouched**.
-2. A list like `{ no = c, pre = k-, post = }` replaces the letter by
-the corresponding **discretionary**. Only one of the keys is necessary,
-and the rest defaults to empty. By default the penalty is
-`\hyphenpenalty` or `\exhyphenpenalty` (_TeXbook_, p96), but a
-different value can be set with the key `penalty`. A further field is
-`data` - automatic hyphens contain no information about the font and
-the like, and with this key you can set which element in the list (as
-captured) they will the taken from.
-3. The key `string` replaces the character with the string. If empty,
-the char node is removed; to insert chars, just use a multi-character
-string. The nodes created are literal copies of the original, but with
-new characters.
-4. With `remove` the node is, well, removed (ie, it's like and empty
-`string=`).
-5. (Development) **Spaces** are declared with something like `space =.2
-.1 0`. The values are in em units, and they are the natural width, the
-`plus`, and the `minus`. Here, you may need `data`, too.
-
-A few keys can be used in conjunction with `insert`, which must be the
-very first one in the replacement. 
-
-The pattern is matched with lua empty captures, which are automatically
-added before and after the string. You may set different empty captures,
-to reduce the number of items in the replacement list:
-```tex
-\babelposthyphenation{ngerman}{very()long()pattern}{
-  string = L,
-  string = OOO,
-  string = N,
-  string = G
-}
-```
-
-Dots, characters classes (with %) and char-sets (with `[]`, including
-complementing and ranges) are allowed, too. When using the dot, be
-aware it matches `|` and `=`, too. A matched `|` or `=` cannot be
-currently replaced by a string.
-
-Ordinary captures are allowed _inside_ the empty captures (they must
-resolve to exactly one character). In the pattern, **the syntax `{n}`**
-is a backreference matching the _n_-th capture inside the empty
-captures. This syntax can be used in the replacement strings, with the
-corresponding capture:
-```tex
-\babelposthyphenation{ngerman}{([fmtrp]) | {1}}{
-  { no = {1}, pre = {1}{1}- },
-  remove,
-  {}
-}
-\babelposthyphenation{ngerman}{ ([cC]) ([kK]) }{
-  { no = {1}, pre = {2}- },
-  {}
-}
-```
-
-Since the percent sign has a quite different meaning in lua and tex, as
-a convenience the {} syntax can be used to enter **character classes**
-in the pattern, too (ie, `{d}` becomes `%d`, but note `{1}` is not
-internally the same as `%1`).
-
-And here is a complete example:
-```tex
-\documentclass{article}
-
-\usepackage[ngerman]{babel}
-
-\babelposthyphenation{ngerman}{([fmtrp]) | {1}}{
-  { no = {1}, pre = {1}{1}- },
-  remove,
-  {}
-}
-
-\begin{document}
-
-\rightskip5cm
-
-Auffrisierende Auffrisierendem Auffrisierenden Auffrisierender
-Auffrisierendes Auffrisierst Auffrisiert Auffrisierte Auffrisiertem
-Auffrisierten Auffrisierter Auffrisiertes Auffrisiertest Auffrisiertet
-Auffrisst Auffuhr Aufführbar Aufführbare Aufführbarem Aufführbaren
-Aufführbarer Aufführbares Aufführe Auffuhren Aufführen Aufführend
-Aufführende Aufführendem Aufführenden Aufführender Aufführendes
-
-\end{document}
-```
-
-In the replacement list, there is an extended syntax which allows to
-**map the captured characters**. For example, `{2|ΐΰῒῢ|ίύὶὺ}` means: if
-the second captured char is ΐ replace it with ί, ύ with ύ, and so on.
-This feature is particularly useful when a letter changes if there is a
-hyphen, and also when transliterating. Here is a partial example of the
-latter (the full example is [here](../news/whats-new-in-babel-3.44.md),
-with digraphs and trigraphs):
-```tex
-\babelprehyphenation{transrussian}
-  {([ABVGDEËZIJKLMNOPRSTUFHÈY"abvgdeëzijklmnoprstufhèy'])}{
-  string = {1|ABVGDEËZIJKLMNOPRSTUFHÈY"abvgdeëzijklmnoprstufhèy'%
-             |АБВГДЕЁЗИЙКЛМНОПРСТУФХЭЫЬабвгдеёзийклмнопрстуфхэыь}
-}
-```
-
-## Short examples
-
-* In Spanish, if there are one or two vowels between two hyphenation
-  points, the first one takes precedence (in other words, the second
-  one is penalised):
-```tex
-\babelposthyphenation{spanish}{[aeiouáéíóú]|[aeiouáéíóú][aeiouáéíóú]|}{
-  {}, {}, {}, {},
-  { pre=-, penalty=1000, data=4 },
-}
-```
-* In Greek, a diaeresis disappears if the vowel group is broken (see
-  Németh, _TUGboat_ 87):
-```tex
-\babelposthyphenation{ngerman}{greek}{α|ΐο}{
-  {},
-  remove,
-  { no= ΐ , pre= - , post= ί },
-  {}
-}
-```
-In cases like this, you may want to use maps as described above.
-
-* In Dutch, _omaatje_ becomes _oma- tje_:
-```tex
-\babelposthyphenation{dutch}{aa|tje}{
-  {},
-  { no = a , pre= - },
-  remove,
-  {}, {}, {}
-}
-```
-* To duplicate explicit hyphens:
-```tex
-\babelposthyphenation{polish}{{a}={a}}{
-  {},
-  { no = -, pre = -, post = -, data = 1 },
-  {}
-}
-```
-
-* To prevent a line break if there is a single letter followed by a
-  hyphen and a word (eg, “e-mail”):
-```tex
-\babelposthyphenation{ngerman}{ ^{A}*(){a}=() }{
-  {},
-  { pre=-, no=-, penalty=10000 }
-}
-```
-With `{A}*` we consider the possibility of leading characters like `(`
-or `“`, because `{A}` it's the same as `%A` in lua. This part is placed
-before that to be processed, which is enclosed between `() ()`.
-
-* Here is an example showing how to group two similar rules. The
-  pattern means ‘either < or > repeated’. Then, the first replacement
-  selects the character based on the captured one.
-```tex
-\babelprehyphenation{english}{ ([<>]){1} }{
-  string = {1|<>|“”},
-  remove
-}
-```
-
-{% endraw %}