Add more comments to the MSVC batch build tool.

FossilOrigin-Name: 03522da37821958c647d49bf8189a5affa3f6720

manifest

@@ -1,5 +1,5 @@
-C Increase\sthe\sdebugging\slevel\sfor\sthe\sdebug\sconfiguration\sin\sthe\sMSVC\sbatch\sbuild\stool.
-D 2015-03-21T22:13:47.750
+C Add\smore\scomments\sto\sthe\sMSVC\sbatch\sbuild\stool.
+D 2015-03-21T22:23:46.412
 F Makefile.arm-wince-mingw32ce-gcc d6df77f1f48d690bd73162294bbba7f59507c72f
 F Makefile.in 88a3e6261286db378fdffa1124cad11b3c05f5bb
 F Makefile.linux-gcc 91d710bdc4998cb015f39edf3cb314ec4f4d7e23
@@ -1194,7 +1194,7 @@ F test/without_rowid6.test db0dbf03c49030aa3c1ba5f618620334bd2baf5f
 F test/wordcount.c 9915e06cb33d8ca8109b8700791afe80d305afda
 F test/zeroblob.test caaecfb4f908f7bc086ed238668049f96774d688
 F test/zerodamage.test cf6748bad89553cc1632be51a6f54e487e4039ac
-F tool/build-all-msvc.bat 6e2c65d4c694ad3bdcbf8d813d18336c378ef642 x
+F tool/build-all-msvc.bat 72e05bc8deca39a547884485c086b915f50a91ed x
 F tool/build-shell.sh 950f47c6174f1eea171319438b93ba67ff5bf367
 F tool/checkSpacing.c 810e51703529a204fc4e1eb060e9ab663e3c06d2
 F tool/diffdb.c 7524b1b5df217c20cd0431f6789851a4e0cb191b
@@ -1246,7 +1246,7 @@ F tool/vdbe_profile.tcl 67746953071a9f8f2f668b73fe899074e2c6d8c1
 F tool/warnings-clang.sh f6aa929dc20ef1f856af04a730772f59283631d4
 F tool/warnings.sh 0abfd78ceb09b7f7c27c688c8e3fe93268a13b32
 F tool/win/sqlite.vsix deb315d026cc8400325c5863eef847784a219a2f
-P de9da317d4df3efefe9a1a48f954af8a19e7d098
-R 2dc59230e8af71c6a1b496cc05325870
+P 041484ff91fd4615368ccb2257ab50acc2cd4fea
+R b4cd923d8d74f09bebb5c4ffebc6ac77
 U mistachkin
-Z bebf96c7eb7dba0d54e717c5ef7df7e1
+Z 35bbc2e7e7719fcfdf895530fad162a8

manifest.uuid

@@ -1 +1 @@
-041484ff91fd4615368ccb2257ab50acc2cd4fea
+03522da37821958c647d49bf8189a5affa3f6720

tool/build-all-msvc.bat

@@ -321,7 +321,18 @@ FOR %%P IN (%PLATFORMS%) DO (
       %_AECHO% Building the %%B configuration for platform %%P with name %%D...
 
       IF /I "%%B" == "Debug" (
+        REM
+        REM NOTE: Using this level for the DEBUG environment variable should
+        REM       disable all compiler optimizations and prevent use of the
+        REM       NDEBUG define.  Additionally, both SQLITE_ENABLE_API_ARMOR
+        REM       and SQLITE_DEBUG defines should be enabled.
+        REM
         SET DEBUG=3
+
+        REM
+        REM NOTE: Setting this to non-zero should enable the SQLITE_MEMDEBUG
+        REM       define.
+        REM
         SET MEMDEBUG=1
       ) ELSE (
         CALL :fn_UnsetVariable DEBUG