Update documentation to make it clear that SQLITE_SOURCE_ID and

sqlite3_sourceid() might changes if the source code is edited.

FossilOrigin-Name: e69c0c8770d3cc2fcdc779c6290caf1575644d457326caa00327b9070251d620

manifest

@@ -1,5 +1,5 @@
-C Less\sdramatic\schanges\sto\sthe\ssource-id\sfollowing\san\sedit.\s\sModify\sthe\sway\nthat\sthe\samalgamation\sis\sconstructed\sto\sgive\sit\sthe\sopportunity\sto\sdetect\nchanges\sand\smodify\sthe\ssource-id.
-D 2017-08-22T21:07:03.663
+C Update\sdocumentation\sto\smake\sit\sclear\sthat\sSQLITE_SOURCE_ID\sand\nsqlite3_sourceid()\smight\schanges\sif\sthe\ssource\scode\sis\sedited.
+D 2017-08-22T21:23:02.258
 F Makefile.in c644bbe8ebe4aae82ad6783eae6b6beea4c727b99ff97568b847ced5e2ac7afb
 F Makefile.linux-gcc 7bc79876b875010e8c8f9502eb935ca92aa3c434
 F Makefile.msc 25b154da7f0b3d4924f27378c1f8d006285b80811f1ccf3ed953dbebf6282136
@@ -459,7 +459,7 @@ F src/rowset.c 7b7e7e479212e65b723bf40128c7b36dc5afdfac
 F src/select.c c9b3d8444bbf6f167d84f41ca6f3672e2521cb163a8c706b19058dc82fffe9b8
 F src/shell.c 8f2a8b9e4ffe4f4596b1690dd628cd355d5605257e14ddba83daf5422e0e39af
 F src/shell.c.in b5725acacba95ccefa57b6d068f710e29ba8239c3aa704628a1902a1f729c175
-F src/sqlite.h.in f0bd1abf5e27bd22b3bcaae2a861c1efc4ab7e752bf7eb102355135617eb8199
+F src/sqlite.h.in 73a75cc53b5017525332ff3db2f74bb2607f1e8c0e8974d4afa3df3786f70aab
 F src/sqlite3.rc 5121c9e10c3964d5755191c80dd1180c122fc3a8
 F src/sqlite3ext.h a1fd3aa82f967da436164e0728a7d6841651fd0c6e27b9044e0eb9f6c8462e47
 F src/sqliteInt.h bc0792db4ff887e4884d386188527e1cd7c16d496c8f3ba23333e68cee3e4f78
@@ -1650,7 +1650,7 @@ F vsixtest/vsixtest.tcl 6a9a6ab600c25a91a7acc6293828957a386a8a93
 F vsixtest/vsixtest.vcxproj.data 2ed517e100c66dc455b492e1a33350c1b20fbcdc
 F vsixtest/vsixtest.vcxproj.filters 37e51ffedcdb064aad6ff33b6148725226cd608e
 F vsixtest/vsixtest_TemporaryKey.pfx e5b1b036facdb453873e7084e1cae9102ccc67a0
-P 515d6a8377cc1dc76d2e78e242fe256cbeef1c1217ec35367648ddeeb17007ec
-R a4db1e4547b3dd92436518e89aa3b90a
+P 564c7340a3368501c3da885afde52123ed7f558801f6190cbe6173dfe9704b70
+R b1a5f4a03931a03b3cf49a93760947b3
 U drh
-Z 98b8ca1d9a43edd06d77198cb0511ee0
+Z 80eecc829d5290754bef086590571027

manifest.uuid

@@ -1 +1 @@
-564c7340a3368501c3da885afde52123ed7f558801f6190cbe6173dfe9704b70
+e69c0c8770d3cc2fcdc779c6290caf1575644d457326caa00327b9070251d620

src/sqlite.h.in

@@ -115,7 +115,9 @@ extern "C" {
 ** a string which identifies a particular check-in of SQLite
 ** within its configuration management system.  ^The SQLITE_SOURCE_ID
 ** string contains the date and time of the check-in (UTC) and a SHA1
-** or SHA3-256 hash of the entire source tree.
+** or SHA3-256 hash of the entire source tree.  If the source code has
+** been edited in any way since it was last checked in, then the last
+** four hexadecimal digits of the hash may be modified.
 **
 ** See also: [sqlite3_libversion()],
 ** [sqlite3_libversion_number()], [sqlite3_sourceid()],
@@ -139,7 +141,7 @@ extern "C" {
 **
 ** <blockquote><pre>
 ** assert( sqlite3_libversion_number()==SQLITE_VERSION_NUMBER );
-** assert( strcmp(sqlite3_sourceid(),SQLITE_SOURCE_ID)==0 );
+** assert( strncmp(sqlite3_sourceid(),SQLITE_SOURCE_ID,80)==0 );
 ** assert( strcmp(sqlite3_libversion(),SQLITE_VERSION)==0 );
 ** </pre></blockquote>)^
 **
@@ -149,9 +151,11 @@ extern "C" {
 ** function is provided for use in DLLs since DLL users usually do not have
 ** direct access to string constants within the DLL.  ^The
 ** sqlite3_libversion_number() function returns an integer equal to
-** [SQLITE_VERSION_NUMBER].  ^The sqlite3_sourceid() function returns 
+** [SQLITE_VERSION_NUMBER].  ^(The sqlite3_sourceid() function returns 
 ** a pointer to a string constant whose value is the same as the 
-** [SQLITE_SOURCE_ID] C preprocessor macro.
+** [SQLITE_SOURCE_ID] C preprocessor macro.  Except if SQLite is built
+** using an edited copy of [the amalgamation], then the last four characters
+** of the hash might be different from [SQLITE_SOURCE_ID].)^
 **
 ** See also: [sqlite_version()] and [sqlite_source_id()].
 */