Add ingo/digraph.vim module

README.md

@@ -200,6 +200,7 @@ HISTORY
 - CHG: ingo#query#get#[Writable]Register(): Turn a:errorRegister and
   a:invalidRegisterExpr into option Dict values and add
   a:options.additionalValidExpr
+- Add ingo/digraph.vim module.
 
 ##### 1.043   04-Feb-2022
 - Minor: Actually support no-argument form of

autoload/ingo/digraph.vim

@@ -0,0 +1,32 @@
+" ingo/digraph.vim: Functions around digraphs.
+"
+" DEPENDENCIES:
+"
+" Copyright: (C) 2022 Ingo Karkat
+"   The VIM LICENSE applies to this script; see ':help copyright'.
+"
+" Maintainer:	Ingo Karkat <ingo@karkat.de>
+
+" Source: http://stackoverflow.com/a/18726519/813602
+" Source: unicode#Digraph(char) in https://github.com/chrisbra/unicode.vim/blob/eddd9791c226a211fc3e433d5ecccb836364dd86/autoload/unicode.vim#L85
+function! ingo#digraph#Get( char, ... ) abort
+"******************************************************************************
+"* PURPOSE:
+"   Obtain the digraph expansion of a:char.
+"* ASSUMPTIONS / PRECONDITIONS:
+"   None.
+"* EFFECTS / POSTCONDITIONS:
+"   None.
+"* INPUTS:
+"   a:char  First char or two-char combination.
+"   a:char2 Second char (optional).
+"* RETURN VALUES:
+"   Digraph or fallback; i.e. exactly what would be returned by typing CTRL-K +
+"   a:char + a:char2
+"******************************************************************************
+    let s:digraph = ''
+    execute 'silent normal!' ":\<C-k>" . a:char . join(a:000, '') . "\<C-\>eextend(s:, {'digraph': getcmdline()}).digraph\n"
+    return s:digraph
+endfunction
+
+" vim: set ts=8 sts=4 sw=4 noexpandtab ff=unix fdm=syntax :

doc/ingo-library.txt

@@ -215,6 +215,7 @@ HISTORY							*ingo-library-history*
 - CHG: ingo#query#get#[Writable]Register(): Turn a:errorRegister and
   a:invalidRegisterExpr into option Dict values and add
   a:options.additionalValidExpr
+- Add ingo/digraph.vim module.
 
 1.043	04-Feb-2022
 - Minor: Actually support no-argument form of

ingo-library.manifest

@@ -61,6 +61,7 @@ autoload/ingo/dict.vim
 autoload/ingo/dict/count.vim
 autoload/ingo/dict/find.vim
 autoload/ingo/digest.vim
+autoload/ingo/digraph.vim
 autoload/ingo/encoding.vim
 autoload/ingo/err.vim
 autoload/ingo/escape.vim