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| -rw-r--r-- | doc/lua-filters.md | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/doc/lua-filters.md b/doc/lua-filters.md index 35610cea3..03f198aaa 100644 --- a/doc/lua-filters.md +++ b/doc/lua-filters.md @@ -478,6 +478,43 @@ function CodeBlock(block) end ``` +# Module text + +UTF-8 aware text manipulation functions, implemented in Haskell. +These are available to any lua filter. However, the module must +be explicitly loaded: + +```lua +-- uppercase all regular text in a document: +text = require 'text' +function Str (s) + s.text = text.upper(s.text) + return s +end +``` + +[`lower (s)`]{#text-lower} + +: Returns a copy of a UTF-8 string, converted to lowercase. + +[`upper (s)`]{#text-upper} + +: Returns a copy of a UTF-8 string, converted to uppercase. + +[`reverse (s)`]{#text-reverse} + +: Returns a copy of a UTF-8 string, with characters reversed. + +[`len (s)`]{#text-len} + +: Returns the length of a UTF-8 string. + +[`sub (s)`]{#text-sub} + +: Returns a substring of a UTF-8 string, using lua's string + indexing rules. + + # Module pandoc Lua functions for pandoc scripts. |