Doxygen: relax configurations a bit

Signed-off-by: Stephan Mueller <smueller@chronox.de>

Author: smuellerDD

doc/Doxyfile.in

@@ -842,7 +842,7 @@ CITE_BIB_FILES         =
 # messages are off.
 # The default value is: NO.
 
-QUIET                  = NO
+QUIET                  = YES
 
 # The WARNINGS tag can be used to turn on/off the warning messages that are
 # generated to standard error (stderr) by doxygen. If WARNINGS is set to YES
@@ -883,15 +883,15 @@ WARN_IF_INCOMPLETE_DOC = YES
 # WARN_IF_INCOMPLETE_DOC
 # The default value is: NO.
 
-WARN_NO_PARAMDOC       = NO
+WARN_NO_PARAMDOC       = YES
 
 # If WARN_IF_UNDOC_ENUM_VAL option is set to YES, doxygen will warn about
 # undocumented enumeration values. If set to NO, doxygen will accept
 # undocumented enumeration values. If EXTRACT_ALL is set to YES then this flag
 # will automatically be disabled.
 # The default value is: NO.
 
-WARN_IF_UNDOC_ENUM_VAL = NO
+WARN_IF_UNDOC_ENUM_VAL = YES
 
 # If the WARN_AS_ERROR tag is set to YES then doxygen will immediately stop when
 # a warning is encountered. If the WARN_AS_ERROR tag is set to FAIL_ON_WARNINGS
@@ -907,7 +907,7 @@ WARN_IF_UNDOC_ENUM_VAL = NO
 # Possible values are: NO, YES, FAIL_ON_WARNINGS and FAIL_ON_WARNINGS_PRINT.
 # The default value is: NO.
 
-WARN_AS_ERROR          = YES
+WARN_AS_ERROR          = NO
 
 # The WARN_FORMAT tag determines the format of the warning messages that doxygen
 # can produce. The string should contain the $file, $line, and $text tags, which