{ligatures} occur where two or more graphemes are joined as a single glyph.

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49
votes
1answer
2k views

Small-caps, old-style numbers, and some ligatures produce odd symbols in PDF copy text?

This is a problem I've had consistently with XeLaTeX. Here's a small example: \documentclass{article} \usepackage{fontspec} \setmainfont[Ligatures=TeX,Numbers={OldStyle,Proportional}]{Minion Pro} ...
36
votes
8answers
1k views

A ligature for she/he

A Compulsory Edit For Everyone Who Wonders About Its Usage : OK I'm using this s/he thing quite a few times in the thesis and since ⚧ (transgender unicode symbol) is even in the list, I thought this ...
36
votes
2answers
1k views

Can one (more or less) automatically suppress ligatures for certain words?

One of the major attractions -- for me at least -- of typesetting my papers in (La)TeX is its automated and fully transparent use of typographic ligatures. However, as Knuth pointed out in the ...
36
votes
1answer
816 views

How to suppress a “Rare” ligature that pre-empts a “Common” ligature for the same character pair?

In several documents I'm creating with LuaLaTeX (using MacTeX2012 on a Mac that's running MacOS X 10.7.5), I primarily use the Adobe-issued font Garamond Premier Pro as the main text font. I use this ...
33
votes
1answer
2k views

Make ligatures in Linux Libertine copyable (and searchable)

I'm currently working on an essay written in LaTeX form. I'm facing problems with ligatures - in my pdf output (rendered using pdftex) opened in Adobe Reader I get X's and V's when copy-pasting words ...
27
votes
1answer
687 views

In lualatex, hyphenation doesn't seem to work for words that contain certain ligatures

It would seem that hyphenation does not work properly under LuaLaTeX if the hyphenation points occur at places where TeX inserts ligatures. Consider the following MWE, which (i) provides hyphenation ...
26
votes
3answers
4k views

Why can't “fi” be separated when being copied from a compiled pdf?

I notice that in a pdf file compiled from Latex, "fi" such as in "field" cannot be separated as "f" and "i" when copying text out of the pdf file. I wonder why and if this can be changed? Thanks and ...
26
votes
2answers
794 views

Suppress certain ligatures generally

Whether or not certain ligatures should be used (if available in a font) is a least in theory depending on the language used. For example traditional German texts would not have an "ffl" ligature but ...
25
votes
4answers
3k views

How can I completely suppress ligatures?

The microtype package allows to completely suppress ligatures. However, this feature requires pdfTeX 1.30 or newer. That's unfortunate if I'm using LaTeX or XeLaTeX while having to avoid ligatures. ...
25
votes
4answers
501 views

Any suggestions/requests for features for a new package that allows disabling ligatures for (pre)selected words?

I'm starting to put together a LaTeX package, which I hope to distribute broadly, that provides lualatex code to disable ligation of character pairs and triplets for selected words (globally within ...
23
votes
2answers
564 views

Porting the luatex/ConTeXt module “translate” to lualatex

In this question, which I posted a few weeks ago to TeX Stack Exchange, I asked how one should go about disabling specific ligatures (such as ff, fi, fl, and ffl) automatically for a list of ...
22
votes
3answers
2k views

Ligatures: why “fi”, but not “fj” as well?

My university name is "FJFI", with e-mail/web addresses containing lowercase "fjfi". Then "fi" gets ligatured whereas "fj" does not, and the result looks a bit strange. My question is, which ...
22
votes
2answers
882 views

Ligature suppression with proper hyphenation and comprehensive word list?

[Update: It's been pointed out that my question(s) here weren't clear (or were too hidden). So I inserted red stars at the points where the questions appear.] In The TeX Book, D.E.K. gives "shelfful" ...
22
votes
1answer
458 views

How to automatically adjust the emdash length according to current language?

In Russian typography the emdash, which is typed as the ligature --- in LaTeX, is 20% shorter than the standard emdash. The babel package cares this difference so that --- prints a shorter emdash if ...
21
votes
1answer
460 views

How can I highlight ligatures?

I'd like to highlight all the ligatures used in a document similar to the image below as an attempt to show off some of TeX's tender loving care for the font being used. Is there a way to do this ...
19
votes
1answer
658 views

Placing the un-ligatured text in the OCR layer

I was reading Why can't "fi" be separated when being copied from a compiled pdf? and had a thought: I know that v1.4 and up PDF documents have an OCR layer. Would it be possible to have ...
16
votes
1answer
571 views

babel shorthand "| doesn't work in macros

The package babel with the ngerman option (and most other languages as well, but not english) provides the shorthand "|, which prevents a ligature at the given position (see p. 81 of the babel ...
15
votes
2answers
821 views

Cannot copy text from the simplest PDF file?

Consider the following code: \documentclass{article} \begin{document} We define multiplication by $$v_1x = 0,\quad v_2x = v_1,\quad v_1y = -v_1,\quad v_2y = v_1$$ \end{document} which looks ...
14
votes
2answers
583 views

Easily assign undefined ligatures with pdfLaTeX?

Ulrike Fischer showed how Linux Libertine's special ligatures are accessible. Even though she also pointed me at a chapter of the LaTeX Graphics Companion, I'm not really sure how to get these ...
14
votes
3answers
340 views

two t characters next to each other form one tt glyph

I am using xelatex and linux libertine font. When I write in my text something that contains two t characters next to each other, such as "rotten", it changes these two ts into one tt character. It ...
14
votes
4answers
569 views

How to suppress the operation of a luatex-defined macro on a string if the string is part of macro or a label

I'm working towards creating a lualatex-based package that lets users automatically suppress the use of ligatures (for now, ff, fi, fl, ffi, ffl, and ft) for selected words. (For background see this ...
14
votes
3answers
3k views

How to enable ligatures for emdash/endash in LuaTeX ?

I cannot switch on ligatures for emdash (---) and endash (--) in LuaLaTeX. Here is my test file: % !Mode:: "TeX:UTF-8" \documentclass{article} \usepackage{fontspec} ...
14
votes
2answers
310 views

Difference between {} and \/ for breaking ligatures

The Guide to LaTeX (4th ed.) states that \/ is used to break up ligatures (p. 30 and p. 469), which I thought was standardly done with {}. As \/ is normally known to insert an italic correction (see ...
14
votes
2answers
662 views

Typesetting an old Latin ligature with pdftex

I am using pdftex (MiKTeX) to typeset snippets of old texts. I am stuck on how to get the ligature that looks like qz in old latin (1526) (but could be some form of que). For example the third word ...
14
votes
1answer
210 views

Insert negative kern before “Y” in Calabi-Yau

Some pairs of glyphs look more visually appealing when a kern is inserted between the glyphs. For instance, if the word Calabi–Yau is typeset with a font that does not include kerning information for ...
13
votes
5answers
4k views

LaTeX font for 18th century English

I am busy typesetting a book for guntenberg.org and I would like to keep as far as possible close to the original style. The book was written in 1787. Here is an extract. Is there a similar font ...
13
votes
4answers
415 views

Which ligatures do the fonts used in my document offer?

This is a follow-up question to: How do I know which ligatures are used in my document? In order to know which ligatures I might consider disabling (I have in mind microtype's \DisableLigatures ...
13
votes
3answers
2k views

Ligatures in Hoefler with XeTeX?

Using XeLaTeX on OS X 10.6 (texlive installed with MacPorts) I'm not getting any ligatures with Hoefler. Example code: \documentclass[10pt]{article} \usepackage{fontspec,xltxtra} ...
13
votes
2answers
643 views

Suppression of a ligature in XeLaTeX

I'm trying to reproduce an old book with XeLaTeX, and it has the ct ligature but not the st ligature. The Ligatures=Rare option seems to turn either both on or off. Is there a way to select which ...
12
votes
4answers
379 views

How can I separate an fl ligature in Libertine?

I am having trouble to understand the ligatures behaviour of the Linux Libertine font. I want to use all ligatures that are possible to have (Ligatures={TeX}) but would like to disable single cases. ...
12
votes
1answer
251 views

Ligature suppression algorithm fails if the word in question contains an Umlaut (dieresis) before the ligature

This is a follow-up posting prompted by Taco Hoekwater's recent excellent answer to a question I posed a few months ago. It concerns the use of the ligature suppression algorithm for words (mainly, ...
12
votes
1answer
946 views

Use Libertine's discretionary and historical ligatures with pdfTeX

I know XeTeX can easily turn on and off Linux Libertine's different sets of ligatures as described in the Manual for Linux Libertine with XeTeX, but is there a way to use the discretionary or the ...
12
votes
1answer
472 views

Can PDF search find words with ligatures in XeLaTeX-documents?

Is there some way allow PDF search to find words with ligatures? I use XeLaTeX. \documentclass{book} \begin{document} Prefix. \end{document} In the resulting pdf file, searching for the word ...
11
votes
1answer
414 views

Can we make ligatures copy-and-pastable?

Is there a straightforward way to make ligatures more copy-and-pastable? I know that by using \usepackage[t1]{fontenc} that many glyphs like accented and umlauted characters become ...
11
votes
1answer
178 views

How to use fontspec with opentype fonts when ligatures are a separate font

I am just learning LATEX. Have been wanting to for years, doing quite well (at 60) and many years of programming are making it a joy! I am using fontspec to load some fonts directly from a ...
11
votes
1answer
152 views

Should I use the font encoding LY1 with the package libertine?

I normally use \usepackage[T1]{fontenc} without giving it any thought. The package libertine seems to provide more ligatures with the LY1 encoding. \documentclass{article} \usepackage{libertine} ...
10
votes
2answers
709 views

ligature with special characters: fī

I am using a lot of special characters such as ā, ī, ū, š, ṣ, ḥ, ḫ and so on. I just spotted that sometimes this causes problems with ligatures for example the fi-ligature, if the dot on the i is a ...
10
votes
2answers
535 views

pdf files show “fi”, but searching for or copying them does not work

When I pdflatex text containing "fi", e.g. "infinite", the resulting pdf-file looks correct, e.g. "infinite" is shown in the text. But when I search the pdf file for "infinite", 0 occurrences are ...
10
votes
1answer
131 views

biblatex translation with wrong ligature

I'm playing around with biblatex at the moment. It works nice, but there is a problem with a translation of "Ed." (edition) to "Aufl." (Auflage). The translation is correct but it has a wrong ligature ...
10
votes
2answers
972 views

How to make page numbering with ligature roman style?

I use roman page number for front matter, I was just wondering, is it possible to make these roman numbers as ligature? See. Roman: and roman:
9
votes
2answers
164 views

How to have exactly “>>>” in a report

In my latex article, I do have to use the 3 following chars >>> . However after compiling my latex code, the displayed content is far from being >>>, but gives two chars instead : »> . How can I ...
9
votes
2answers
288 views

Using active characters to swap fonts?

I should probably say in advance that this question is inspired by sheer bloody-mindedness, and also apologize in advance if it's unanswerable or just silly. I've gotten it into my head that when I ...
9
votes
2answers
277 views

How do I customize a LuaLaTeX cmap?

I'm working on a system that uses database content to produce PDFs in a variety of languages. I'm currently working on Armenian. What we've developed so far uses pdfLaTeX. I made a special encoding ...
8
votes
4answers
1k views

How do I prevent LaTeX from creating en-dash and em-dash?

All over the internet, there's this question on how to make LaTeX do the en-dash and em-dash. I have the opposite problem. I have some text from which I am generating HTML and LaTeX outputs. The ...
8
votes
3answers
985 views

Can ligatures be enabled for Palatino and pdflatex?

Can I enable ligatures for the Palatino font or can I somehow find out if they are in the package for pdflatex in the first place? Edit: MWE \documentclass{article} \usepackage{mathpazo} ...
8
votes
2answers
146 views

Selectively disable dash ligatures in LuaLaTeX

With pdfLaTeX, I can print two hyphens using -{}-. This does not seem to work in LuaLaTeX. Indeed, the following snippet \documentclass{minimal} \begin{document} en dash -- two dashes -{}- ...
8
votes
1answer
534 views

Ligatures in figures and pdftex

In the following example, the 'ff' ligature in the figure labels (in 'differential') disappears when pdflatex is used, but the fault does not occur if latex-dvips-ps2pdf is used instead. Both lualatex ...
8
votes
2answers
449 views

Removing ligatures for small caps in TeX4HT

The Amazon Kindle has a default font which features small caps and ligatures, but not ligatures for small caps. For this reason, when it sees ligatures (even common ones, such as "ff"), it renders them ...
8
votes
1answer
111 views

How do ligatures work?

The TeXbook doesn't explain ligatures more than presenting the existing ones, the same for TeX By Topic. So, how are they defined? Is there a third way besides active characters and control sequences ...
8
votes
3answers
364 views

Enabling c_t and longs_t without enabling s_t ligatures

I'm using the Hoefler Text font in xelatex with long s: \usepackage{fontspec} \setmainfont[Contextuals=Inner]{Hoefler Text} But I want to use the ct ligature (it's from the Rare set): ...