+(On Linux machines, you may need to install `libxml2-utils` to get the
+ commandline programs from `libxml2`.)
+
+**Note:**
+⛩️📰 书社 requires functionality present in G·N·U Make 3.81 (or later)
+ and will not work in previous versions, or other implementations of
+ Make.
+Compatibility with later versions of G·N·U Make is assumed, but not
+ tested.
Rules to use with `find` when searching for source files.
The default ignores files that start with a period or hyphen‐minus
and those which contain a hash, buck, percent, asterisk, colon,
Rules to use with `find` when searching for source files.
The default ignores files that start with a period or hyphen‐minus
and those which contain a hash, buck, percent, asterisk, colon,
- semi, eroteme, bracket, or pipe.
+ semi, eroteme, bracket, backslash, or pipe.
+
+- **`EXTRAFINDRULES`:**
+ The value of this variable is appended to `FINDRULES` by default, to
+ enable additional rules without overriding the existing ones.
**☡ For compatibility with this program, source file·names must not
contain Ascii white·space, colons (`:`), semis (`;`), pipes (`|`),
bucks (`$`), percents (`%`), hashes (`#`), asterisks (`*`), brackets
**☡ For compatibility with this program, source file·names must not
contain Ascii white·space, colons (`:`), semis (`;`), pipes (`|`),
bucks (`$`), percents (`%`), hashes (`#`), asterisks (`*`), brackets
- (`[` or `]`), erotemes (`?`), or control characters, and must not
- begin with a hyphen‐minus (`-`).**
+ (`[` or `]`), erotemes (`?`), backslashes (`\`), or control
+ characters, and must not begin with a hyphen‐minus (`-`).**
The former characters have the potential to conflict with make syntax,
and a leading hyphen‐minus is confusable for a command‐line argument.
The former characters have the potential to conflict with make syntax,
and a leading hyphen‐minus is confusable for a command‐line argument.
License, version 2.0</cite>.
For more information, see [LICENSE](./LICENSE).
License, version 2.0</cite>.
For more information, see [LICENSE](./LICENSE).