[Emacs-diffs] emacs-26 b882d4e: Fix problems with ligatures in PDF version of ELisp manual

[Eli Zaretskii]

branch: emacs-26
commit b882d4ef11b4d12cc16face4a0e80818045a2aa3
Author: Eli Zaretskii <address@hidden>
Commit: Eli Zaretskii <address@hidden>

    Fix problems with ligatures in PDF version of ELisp manual
    
    * doc/lispref/strings.texi (Case Conversion): Avoid problems with
    ligatures in printed versions of the manual.  (Bug#29818)
---
 doc/lispref/strings.texi | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/doc/lispref/strings.texi b/doc/lispref/strings.texi
index 09c3bdf..24d3ee4 100644
--- a/doc/lispref/strings.texi
+++ b/doc/lispref/strings.texi
@@ -1197,6 +1197,7 @@ a character, functions are unable to perform proper 
substitution and
 result may differ compared to treating a one-character string.  For
 example:
 
address@hidden
 @example
 @group
 (upcase "fi")  ; note: single character, ligature "fi"
@@ -1207,6 +1208,19 @@ example:
      @result{} 64257  ; i.e. ?fi
 @end group
 @end example
address@hidden ifnottex
address@hidden
address@hidden
address@hidden
+(upcase "fi")  ; note: single character, ligature "fi"
+     @result{} "FI"
address@hidden group
address@hidden
+(upcase ?fi)
+     @result{} 64257  ; i.e. ?fi
address@hidden group
address@hidden example
address@hidden iftex
 
   To avoid this, a character must first be converted into a string,
 using @code{string} function, before being passed to one of the casing