Problem reported by Collin Funk (Bug#68996).
* GNUmakefile (.): New macro.
(help): Use ‘$.’ instead of ‘$ ’.
* cross/verbose.mk.android, src/verbose.mk.in (.): New macro.
(AM_V_AR, AM_V_CC, AM_V_CXX, AM_V_CCLD, AM_V_CXXLD, AM_V_GEN):
Use ‘$.’ instead of ‘$ ’.
* lib-src/Makefile.in (install): Use ‘$.’ instead of ‘$ ’.
* .gitignore: Ignore cross/etc/DOC.
* configure.ac: Make the directory `cross/etc'.
* cross/Makefile.in (CLEAN_SUBDIRS): Clean files inside `etc' as
well.
* java/Makefile.in (install_temp): Copy cross/etc/DOC to the
package if it is available.
* src/Makefile.in (SOME_MACHINE_OBJECTS): Add androidselect.c,
sfntfont-android.c and sfntfont.c.
(libemacs.so): Depend on $(etc)/DOC.
* cross/verbose.mk.android: Get rid of badly aligned ANDROID_CC
messages.
* java/org/gnu/emacs/EmacsInputConnection.java (syncAfterCommit)
(extractAbsoluteOffsets): Add workarounds for several kinds of
machines.
(commitText, getExtractedText): Likewise.
* src/textconv.c (really_commit_text): Improve definition of
POSITION.
(get_extracted_text): Default to providing at least 4
characters.
