diff options
| -rw-r--r-- | luaotfload.dtx | 48 |
1 files changed, 34 insertions, 14 deletions
diff --git a/luaotfload.dtx b/luaotfload.dtx index 2dd4c81..90909da 100644 --- a/luaotfload.dtx +++ b/luaotfload.dtx @@ -246,9 +246,26 @@ and the derived files % % \paragraph{Font features} % -% \meta{font features} are a list of items separated by semi-colons, which are -% either |key=value| font parameters, or switches to enable/disable certain -% font features in the form of |+feat|/|-feat|. The supported keys are: +% \meta{font features} is semicolon-separated list of feature +% tags\footnote{\url{http://www.microsoft.com/typography/otspec/featurelist.htm}} +% and font options. Font features are prepended with a |+| to turn them on and +% a |-| to turn them off, alternatively you can pass |true| or |false| value to +% the feature: +% +% |\font\test=Latin Modern Roman:+clig;-kern| +% +% \noindent or: +% +% |\font\test=Latin Modern Roman:clig=true;kern=false| +% +% \noindent For alternate substation features you can pass the index of the +% variant you want (starting from 1) or |random| to randomly select a variant +% each time an affected glyph is shown, e.g.: +% +% |\font\test=Latin Modern Roman:salt=1| +% +% \noindent Known font options include: +% % \begin{description} % \item [mode] \hfill \\ % \textsf{luaotfload} has two OpenType processing modes; |base| and |node|. @@ -262,24 +279,27 @@ and the derived files % when needed e.g. for math fonts. % % \item [script] \hfill \\ -% OpenType script string, default value is |dflt|. Some fonts don't assign -% features to the |dflt| script, in which case the script need to be set -% explicitly. +% OpenType script +% string,\footnote{\url{http://www.microsoft.com/typography/otspec/scripttags.htm}} +% default value is |dflt|. Some fonts don't assign features to the |dflt| +% script, in which case the script need to be set explicitly. % % \item [language] \hfill \\ -% OpenType language string, default value is |latn|. +% OpenType language +% string,\footnote{\url{http://www.microsoft.com/typography/otspec/languagetags.htm}} +% default value is |latn|. % % \item [featurefile] \hfill \\ % feature files are textual representation of OpenType tables and can be used % to extend OpenType features of the font on fly. The file name of the feature % file is passed, then features defined in the file can be enabled/disabled -% like any other feature. The syntax is documented in Adobe's -% \href{http://www.adobe.com/devnet/opentype/afdko/topic_feature_file_syntax.html} -% {OpenType Feature File Specification}. +% like any other feature. The syntax is documented in Adobe's OpenType Feature +% File +% Specification\footnote{\url{http://www.adobe.com/devnet/opentype/afdko/topic_feature_file_syntax.html}}. % % For example, to set a |tkrn| feature from |mykern.fea| file: % -% |\font\lmr=Latin Modern Roman:featurefile=mykern.fea;+tkrn| +% |\font\test=Latin Modern Roman:featurefile=mykern.fea;+tkrn| % % \item [color] \hfill \\ % font color, defined as a triplet of two-digit hexadecimal RGB values, with @@ -288,7 +308,7 @@ and the derived files % % For example, to set text in semitransparent red: % -% |\font\lmr=Latin Modern Roman:color=FF0000BB| +% |\font\test=Latin Modern Roman:color=FF0000BB| % % \item [protrusion \& expansion] \hfill \\ % Both keys control microtypographic features of the font, namely glyph @@ -300,7 +320,7 @@ and the derived files % |\pdfprotrudechars2 \pdfadjustspacing2| to activate protrusion and expansion, % respectively. See \pdftex manual for details}: % -% |\font\lmr=Latin Modern Roman:protrusion=default| +% |\font\test=Latin Modern Roman:protrusion=default| % \end{description} % % \section{Font names database} @@ -426,7 +446,7 @@ and the derived files % features for the |dflt| script, which is the default one in this package, so % you may have to specify the script in the command line, for example: % -% |\font\myfont = MyFont.otf:script=latn;+liga;| +% |\font\test=file:MyFont.otf:script=latn;+liga;| % % \part{\texttt{luaotfload.lua}} % |