Set makeindex as index processor in the docs

Prevent that another processor (such as xindy) is used when set in prefs.

xindy does not play well with hyperref.

Fixes #11708

(cherry picked from commit cb25603ae1)

lib/doc/EmbeddedObjects.lyx

@@ -178,7 +178,7 @@ varwidth
 \default_output_format pdf2
 \output_sync 0
 \bibtex_command default
-\index_command default
+\index_command makeindex
 \paperfontsize 12
 \spacing single
 \use_hyperref true

lib/doc/Math.lyx

@@ -159,7 +159,7 @@ subequations
 \default_output_format pdf2
 \output_sync 0
 \bibtex_command default
-\index_command default
+\index_command makeindex
 \paperfontsize 12
 \spacing single
 \use_hyperref true

lib/doc/UserGuide.lyx

@@ -75,7 +75,7 @@ logicalmkup
 \default_output_format pdf2
 \output_sync 0
 \bibtex_command bibtex
-\index_command default
+\index_command makeindex
 \paperfontsize 12
 \spacing single
 \use_hyperref true

lib/doc/de/Additional.lyx

@@ -63,7 +63,7 @@ shapepar
 \default_output_format pdf2
 \output_sync 0
 \bibtex_command default
-\index_command default
+\index_command makeindex
 \paperfontsize 12
 \spacing single
 \use_hyperref true

lib/doc/de/Math.lyx

@@ -171,7 +171,7 @@ subequations
 \default_output_format pdf2
 \output_sync 0
 \bibtex_command default
-\index_command default
+\index_command makeindex
 \paperfontsize 12
 \spacing single
 \use_hyperref true

lib/doc/es/EmbeddedObjects.lyx

@@ -182,7 +182,7 @@ varwidth
 \default_output_format pdf2
 \output_sync 0
 \bibtex_command default
-\index_command default
+\index_command makeindex
 \paperfontsize 12
 \spacing single
 \use_hyperref true

lib/doc/es/UserGuide.lyx

@@ -74,7 +74,7 @@ enumitem
 \default_output_format pdf2
 \output_sync 0
 \bibtex_command bibtex
-\index_command default
+\index_command makeindex
 \paperfontsize 12
 \spacing single
 \use_hyperref true

lib/doc/fr/UserGuide.lyx

@@ -89,7 +89,7 @@ logicalmkup
 \default_output_format pdf2
 \output_sync 0
 \bibtex_command bibtex
-\index_command default
+\index_command makeindex
 \paperfontsize 12
 \spacing single
 \use_hyperref true

status.23x

@@ -49,6 +49,8 @@ What's new
 - Updated localizations include Arabic, Bulgarian, Czech, Dutch, German, Hebrew, 
   Italian, Brazilian Portuguese, Slovak, Swedish, and Ukrainian.
 
+- Fixed index processor in some manuals (bug 11708).
+
 
 * BUILD/INSTALLATION