README update

1 files changed, 20 insertions, 17 deletions

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+++ b/README.md
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 Windows configuration files
 =========================== 
 
-An easy way to store & sync various configuration files across Windows
-installations.
-Requires Cygwin.
+An easy and ad-hoc way to store & sync various configuration files across
+Windows installations.
 Actual configuration files are stored in this repository in directories which
-names must match the `^%[_[:alpha:]][_[:alnum:]]+%$` regular expression.
+names must roughly match the `%.+%` regular expression.
 The part between the percent signs is the name of an environment variable.
 Its value replaces the path of this directory, making for the path of a symlink
 which would point to a file in this repository.
 
+A database of symlinks is maintained in case a file is removed from this
+repository (the corresponding symlink is then deleted).
+Default database file name is "db.bin".
+
 Usage
 -----
 
-```
-usage: ./update.sh
-```
+To update the symlinks, run `./update.sh`.
+Requires Cygwin.
 
 For example, here's a possible representation of the "%PROGRAMDATA%" directory:
 
-```
-%PROGRAMDATA%/
-└── a
-    └── b
-        └── c
-            └── test.txt
-```
+    %PROGRAMDATA%/
+    └── a
+        └── b
+            └── c
+                └── test.txt
 
 Running the script above would create a symlink at
-"C:\ProgramData\a\b\c\test.txt" pointing to this repository's
-"%PROGRAMDATA%\a\b\c\test.txt".
+"C:\ProgramData\a\b\c\test.txt" pointing "%PROGRAMDATA%\a\b\c\test.txt" in this
+repository.
 
 Limitations
 -----------
 
 Only alphanumeric variable names are supported.
-For example, the environment variable `ProgramFiles(x86)` is not supported.
+Speaking more precisely, directory names must match the
+`^%[_[:alpha:]][_[:alnum:]]+%$` regular expression.
+This means that, for example, the environment variable `ProgramFiles(x86)` is
+not supported.
 
 License
 -------