Bumped version to 1.4.0, updated docs

configure.ac

@@ -7,7 +7,7 @@
 
 AC_PREREQ([2.13])
 
-AC_INIT([duc], [1.3.3], [duc@zevv.nl])
+AC_INIT([duc], [1.4.0], [duc@zevv.nl])
 
 LIB_CURRENT=1
 LIB_REVISION=0

doc/duc.1

@@ -613,6 +613,22 @@ color
 .
 .IP "" 0
 .
+.SH "FREQUENTLY ASKED QUESTIONS"
+.
+.IP "\(bu" 4
+What does the error \'Database version mismatch mean?\'
+.
+.IP
+The layout of the index database sometimes changes when new features are implemented\. When you get this error you have probably upgraded to a newer version\. Just remove the old database file and rebuild the index\.
+.
+.IP "\(bu" 4
+Duc crashes with a segmentation fault, is it that buggy?
+.
+.IP
+By default Duc uses the Tokyocabinet database backend\. Tokyocabinet is pretty fast, stores the database in a single file and has nice compression support to keep the database small\. Unfortunately, it is not always robust and sometimes chokes on corrupt database files\. Try to remove the database and rebuild the index\. If the error persists contact the authors\.
+.
+.IP "" 0
+.
 .SH "FILES"
 At startup duc tries to read its configuration from three locations in this particular order: \fB/etc/ducrc\fR, \fB~/\.ducrc\fR and \fB\./\.ducrc\fR\.
 .

doc/duc.md

@@ -521,6 +521,22 @@ path which is used by all subcommands
     [ui]
     color
 
+## FREQUENTLY ASKED QUESTIONS
+
+* What does the error 'Database version mismatch mean?'
+
+  The layout of the index database sometimes changes when new features are
+  implemented. When you get this error you have probably upgraded to a newer
+  version. Just remove the old database file and rebuild the index.
+
+* Duc crashes with a segmentation fault, is it that buggy?
+
+  By default Duc uses the Tokyocabinet database backend. Tokyocabinet is pretty
+  fast, stores the database in a single file and has nice compression support
+  to keep the database small. Unfortunately, it is not always robust and
+  sometimes chokes on corrupt database files. Try to remove the database
+  and rebuild the index. If the error persists contact the authors.
+
 ## FILES
 
 At startup duc tries to read its configuration from three locations in this

doc/manual.txt

@@ -216,6 +216,22 @@ path which is used by all subcommands
     [ui]
     color
 
+## FREQUENTLY ASKED QUESTIONS
+
+* What does the error 'Database version mismatch mean?'
+
+  The layout of the index database sometimes changes when new features are
+  implemented. When you get this error you have probably upgraded to a newer
+  version. Just remove the old database file and rebuild the index.
+
+* Duc crashes with a segmentation fault, is it that buggy?
+
+  By default Duc uses the Tokyocabinet database backend. Tokyocabinet is pretty
+  fast, stores the database in a single file and has nice compression support
+  to keep the database small. Unfortunately, it is not always robust and
+  sometimes chokes on corrupt database files. Try to remove the database
+  and rebuild the index. If the error persists contact the authors.
+
 ## FILES
 
 At startup duc tries to read its configuration from three locations in this

src/libduc/private.h

@@ -3,7 +3,7 @@
 
 #include "duc.h"
 
-#define DUC_DB_VERSION "16"
+#define DUC_DB_VERSION "17"
 
 #ifndef S_ISLNK
 #define S_ISLNK(v) 0