Re: UTF-8-aware backwards string searching in Guile, or: fixing centered lyrics ignoring punctuation

[Aaron Hill]

On 2018-10-30 9:23 pm, Aaron Hill wrote:
> Here's a quick-n-dirty patch to address the issue.
>
> %%%%
> \version "2.19.82"
> \include "center-lyrics-ignoring-punctuation.ily"
> { d'4 4 4 }
> \addlyrics { Å Ɓ† «Ḉ…» }
> %%%%

Agh, I goofed.  I forgot the logic is that you want to trim the "space" 
characters from the ends only.  Anything included within the "word" is 
okay.

So with two drop-whiles and reverses, here's the patch to my patch, 
including a new test document:

%%%%
\version "2.19.82"
\include "center-lyrics-ignoring-punctuation.ily"
{ d'4 4 4 4 }
\addlyrics { Å Ɓ† «Ḉ…» ?Ḓ—Ḛ }
%%%%

-- Aaron Hill

center-lyrics-ignoring-punctuation.ily
Description: Text document

utf8.cropped.png
Description: PNG image