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-rw-r--r--documentation/Doxyfile.in4
1 files changed, 2 insertions, 2 deletions
diff --git a/documentation/Doxyfile.in b/documentation/Doxyfile.in
index 64d47ddb1..0c6f8ffac 100644
--- a/documentation/Doxyfile.in
+++ b/documentation/Doxyfile.in
@@ -760,8 +760,8 @@ VERBATIM_HEADERS = YES
# If the alphabetical index is enabled (see ALPHABETICAL_INDEX) then
# the COLS_IN_ALPHA_INDEX tag can be used to specify the number of columns
# in which this list will be split (can be a number in the range [1..20])
-
-COLS_IN_ALPHA_INDEX = 5
+# This tag is deprecated
+#COLS_IN_ALPHA_INDEX = 5
# In case all classes in a project start with a common prefix, all
# classes will be put under the same header in the alphabetical index.